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Hirakata, Hiroyuki

Graduate School of Engineering, Division of Mechanical Engineering and Science Professor

Hirakata, Hiroyuki
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    Last Updated :2022/10/01

    Basic Information

    Academic Degree

    • 修士(工学)(同志社大学)
    • 博士(工学)(京都大学)

    Research History

    • From Apr. 2017
      Kyoto University, Department of Mechanical Engineering and Science, Professor
    • From Feb. 2008, To Mar. 2017
      Osaka University, Department of Mechanical Engineering, Associate Professor
    • From Apr. 2007, To Jan. 2008
      Osaka University, Department of Mechanical Engineering, Associate Professor
    • From Apr. 2005, To Mar. 2007
      Kyoto University, 大学院工学研究科 機械理工学専攻, Assistant Professor
    • From Apr. 2003, To Mar. 2005
      Kyoto University, 大学院工学研究科 機械物理工学専攻, Assistant Professor

    ID,URL

    researchmap URL

    list
      Last Updated :2022/10/01

      Research

      Research Topics, Overview of the research

      • Research Topics

        Strength and fracture of nano/micromaterials, Creep, Fatigue, Thin films, Nanostructures

      Research Areas

      • Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Machine materials and mechanics

      Papers

      • Mechanical Acceleration and Control of the Thermal Motion of a Magnetic Skyrmion
        Yu Wang; Takayuki Kitamura; Jie Wang; Hiroyuki Hirakata; Takahiro Shimada
        Physical Review Applied, 20 Jul. 2022
      • 604 Fatigue Crack Propagation along Interface between Submicron-thick Metal and Ceramic Films in Inert Environment
        HIRAKATA Hiroyuki; KITAZAWA Masaya; Truong Do Van; KITAMURA Takayuki
        Proceedings of the 1992 Annual Meeting of JSME/MMD, 2005
      • 110 In-situ Observation of Interface Crack Initiation and Propagation in Low-dimensional Nano-structures
        KITAMURA Takayuki; HIRAKATA Hiroyuki; TAKAHASHI Yoshimasa
        Proceedings of the 1992 Annual Meeting of JSME/MMD, 2005
      • 3946 In Situ TEM Observation of Crack Initiation at Interface Edge in Nano-cantilevers
        TAKAHASHI Yoshimasa; HIRAKATA Hiroyuki; KITAMURA Takayuki
        The proceedings of the JSME annual meeting, 2006
      • 3949 Deformation Properties of Thin Films with Helical Nano-Structures
        HIRAKATA Hiroyuki; MATSUMOTO Shohei; TAKEMURA Masaki; KITAMURA Takayuki
        The proceedings of the JSME annual meeting, 2006
      • 3959 Prediction of Delamination Strength at the Interface between a Thin Film and a Substrate by a Cohesive Zone Model
        TRUONG Do Van; HIRAKATA Hiroyuki; KITAMURA Takayuki
        The proceedings of the JSME annual meeting, 2006
      • Evaluation of Interface Strength between Polymer Thin Film and Substrate
        HIRAKATA Hiroyuki; YOKOYAMA Masanori; KITAMURA Takayuki
        Proceedings of the 1992 Annual Meeting of JSME/MMD, 2003
      • Delamination Test for Tungsten Micro-Component on Silicon Substrate by means of AFM
        HIRAKATA Hiroyuki; YAMAMOTO Yoshitake; KITAMURA Takayuki
        Proceedings of the 1992 Annual Meeting of JSME/MMD, 2002
      • Development of Interface Crack Extension Test for Sub-micron Thin Film
        HIRAKATA Hiroyuki; KUSANO Takato; KITAMURA Takayuki
        The proceedings of the JSME annual meeting, 2002
      • K-0835 Effect of the Resion of Singular Stress Field near the Interface Edge on Delamination Strength Property of Sub-micron Cu Films
        HIRAKATA Hiroyuki; ITSUJI Takashi; KITAMURA Takayuki
        The proceedings of the JSME annual meeting, 2001
      • Evaluation of Interface Strength between Submicron-structure and Substrate Based on Fracture Mechanics Concept
        HIRAKATA Hiroyuki; YAMAMOTO Yoshitake; Matsumoto Shohei; KITAMURA Takayuki
        The proceedings of the JSME annual meeting, 2004
      • Flexoelectric properties of multilayer two-dimensional material MoS2
        Hiroyuki Hirakata; Yasuyuki Fukuda; Takahiro Shimada
        Journal of Physics D: Applied Physics, 24 Mar. 2022
      • Interlaminar Fracture Toughness Measurement of Multilayered 2D Thermoelectric Materials Bi2Te3 by a Tapered Cantilever Bending Experiment
        P. Wang; K. F. Wang; B. L. Wang; L. Xi; K. Sano; T. Shimada; H. Hirakata; D. N. Fang
        Experimental Mechanics, Jan. 2022
      • The rectilinear motion of the individual asymmetrical skyrmion driven by temperature gradients
        Yu Wang; Takahiro Shimada; Jie Wang; Takayuki Kitamura; Hiroyuki Hirakata
        Acta Materialia, Dec. 2021
      • Reversible control of intrinsic shear strength of a ZnO single crystal through electron-beam-induced hole state
        Hiroyuki Hirakata; Kyohei Sano; Takahiro Shimada
        Journal of Materials Research, 14 Nov. 2021
      • Emergence of non-trivial polar topologies hidden in singular stress field in SrTiO3: topological strain-field engineering
        Takahiro Shimada; Yu Wang; Takayuki Hamaguchi; Kohta Kasai; Kairi Masuda; Le Van Lich; Tao Xu; Jie Wang; Hiroyuki Hirakata
        Journal of Physics: Condensed Matter, 15 Dec. 2021
      • T0301-2-2 Fracture of Self-Organized TiO_2 Nanotubes
        ITO Kenji; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        The proceedings of the JSME annual meeting, 2009
      • T0301-2-1 Friction Anisotropy of a Thin Film Comprised of Oblique Nano-Columns
        HIRAKATA Hiroyuki; NISHIHIRA Taku; MINOSHIMA Kohji
        The proceedings of the JSME annual meeting, 2009
      • 2828 In Situ Observation of Deformation in an Aluminum Nano-whisker
        TAKAHASHI Yoshimasa; HIRAKATA Hiroyuki; TAKEMURA Masaki; KITAMURA Takayuki
        The proceedings of the JSME annual meeting, 2007
      • Deformation mode dependence of an exothermic chemical reaction in Ti/Si multilayered nanofilms
        Hiroyuki Hirakata; Takahiro Shiraishi; Takahiro Shimada
        MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, Oct. 2020, Peer-reviewed, Lead author
      • Ferroelectric control of magnetic skyrmions in multiferroic heterostructures
        Yu Wang; Jiajun Sung; Takahiro Shimada; Hiroyuki Hirakata; Takayuki Kitamura; Jie Wang
        PHYSICAL REVIEW B, Jul. 2020, Peer-reviewed
      • Ferrotoroidic polarons in antiferrodistortive SrTiO3
        Takahiro Shimada; Yuuki Ichiki; Gen Fujimoto; Le Van Lich; Tao Xu; Jie Wang; Hiroyuki Hirakata
        PHYSICAL REVIEW B, Jun. 2020, Peer-reviewed
      • Electron-beam irradiation alters bond strength in zinc oxide single crystal
        Hiroyuki Hirakata; Kyohei Sano; Takahiro Shimada
        APPLIED PHYSICS LETTERS, Mar. 2020, Peer-reviewed
      • Electron-beam enhanced creep deformation of amorphous silicon nano-cantilever
        Hiroyuki Hirakata; Kenta Konishi; Toshiyuki Kondo; Kohji Minoshima
        JOURNAL OF APPLIED PHYSICS, Sep. 2019, Peer-reviewed
      • Effects of surface oxide layer on fracture toughness of submicrometer-thick freestanding copper films
        Toshiyuki Kondo; Daiki Miki; Hiroyuki Hirakata; Kohji Minoshima
        Engineering Fracture Mechanics, Aug. 2019, Peer-reviewed
      • Ultrasoft silicon nanomembranes: thicknessdependent effective elastic modulus
        Ajit K. Katiyar; Ashwini Ann Davidson; Houk Jang; Yun Hwangbo; Byeori Han; Seonwoo Lee; Yohei Hagiwara; Takahiro Shimada; Hiroyuki Hirakata; Takayuki Kitamurac; Jong-Hyun Ahn
        Nanoscale, Jul. 2019, Peer-reviewed
      • Lifetime prediction of thermoelectric devices under thermal cycling
        P. Wang; L. E. Li; B.L. Wang; T. Shimada; H. Hirakata; C. Zhang
        Journal of Power Source, Jul. 2019, Peer-reviewed
      • Analysis of three-dimensional ellipsoidal inclusions in thermoelectric solids
        P. Wang; B.L. Wang; K.F. Wang; H. Hirakata; C. Zhang
        International Journal of Engineering Science, Jun. 2019, Peer-reviewed
      • Vacuum effects on fatigue crack growth in submicrometre-thick freestanding copper films
        Toshiyuki KONDO; Akihiro SHIN; Masayuki SAKIHARA; Hiroyuki HIRAKATA; Kohji MINOSHIMA
        Fatigue & Fracture of Engineering Materials & Structures, Jan. 2019, Peer-reviewed
      • 自立金ナノ薄膜のクリープき裂進展のその場FESEM 観察/EBSD 解析
        近藤俊之; 井上寛之; 平方寛之; 箕島弘二
        材料, Dec. 2018, Peer-reviewed
      • Plastic deformation dominates chemical reactions in Ti/Si multilayered nanofilms
        Hirakata Hiroyuki; Kawai Takashi; Kondo Toshiyuki; Minoshima Kohji
        MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 08 Nov. 2018, Peer-reviewed
      • Fracture toughness of freestanding copper films with a thickness of 39 nm
        Kondo Toshiyuki; Hiramine Kazuki; Hirakata Hiroyuki; Minoshima Kohji
        ENGINEERING FRACTURE MECHANICS, Sep. 2018, Peer-reviewed
      • Size effect on tensile creep behavior of micrometer-sized single-crystal gold
        Hiroyuki Hirakata; Kousuke Shimbara; Toshiyuki Kondo; Kohji Minoshima
        Materialia, May 2018, Peer-reviewed
      • Thickness effects on fatigue crack propagation in submicrometer-thick freestanding copper films
        Toshiyuki Kondo; Hiroyuki Hirakata; Kohji Minoshima
        INTERNATIONAL JOURNAL OF FATIGUE, Oct. 2017, Peer-reviewed
      • Creep crack propagation in gold submicron films at room temperature
        Hiroyuki Hirakata; Takumi Kameyama; Ryota Kotoge; Toshiyuki Kondo; Masayuki Sakihara; Kohji Minoshima
        INTERNATIONAL JOURNAL OF FRACTURE, Oct. 2016, Peer-reviewed
      • Effects of film thickness on critical crack tip opening displacement in single-crystalline and polycrystalline submicron Cu films
        Hiroyuki Hirakata; Takuya Yoshida; Toshiyuki Kondo; Kohji Minoshima
        ENGINEERING FRACTURE MECHANICS, Jul. 2016, Peer-reviewed
      • Development of in situ FESEM fatigue/creep experimental technique for freestanding metallic nano-films
        Toshiyuki Kondo; Akihiro Shin; Hiroyuki Hirakata; Masayuki Sakihara; Kohji Minoshima
        Zairyo/Journal of the Society of Materials Science, Japan, 2016, Peer-reviewed
      • Mechanics of fatigue crack initiation in submicron-thick freestanding copper films
        Toshiyuki Kondo; XiaoChen Bi; Hiroyuki Hirakata; Kohji Minoshima
        INTERNATIONAL JOURNAL OF FATIGUE, Jan. 2016, Peer-reviewed
      • Mechanics of fracture at nanoscale stress concentrated sites in titanium doglegged nanocolumns
        Hiroyuki Hirakata; Kyosuke Takeuchi; Kohji Minoshima
        ENGINEERING FRACTURE MECHANICS, Dec. 2015, Peer-reviewed
      • Fatigue crack closure in submicron-thick freestanding copper films
        Toshiyuki Kondo; Takaki Ishii; Hiroyuki Hirakata; Kohji Minoshima
        MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, Sep. 2015, Peer-reviewed
      • Interfacial fatigue fracture criterion of bimaterial in submicron scale
        Do Van Truong; Vuong Van Thanh; Hiroyuki Hirakata; Takayuki Kitamura
        MICROELECTRONIC ENGINEERING, Jun. 2015, Peer-reviewed
      • Direct observation of the thickness effect on critical crack tip opening displacement in freestanding copper submicron-films by in situ electron microscopy fracture toughness testing
        Hiroyuki Hirakata; Yuki Takeda; Toshiyuki Kondo; Kohji Minoshima
        INTERNATIONAL JOURNAL OF FRACTURE, Apr. 2015, Peer-reviewed
      • Creep fracture at interfaces of titanium nanocolumns on silicon substrate
        Hiroyuki Hirakata; Yoshiaki Tsutsumi; Kohji Minoshima
        ENGINEERING FRACTURE MECHANICS, Feb. 2014, Peer-reviewed
      • Effects of stress ratio on fatigue crack propagation properties of submicron-thick free-standing copper films
        Toshiyuki Kondo; Takahiro Imaoka; Hiroyuki Hirakata; Masayuki Sakihara; Kohji Minoshima
        ACTA MATERIALIA, Sep. 2013, Peer-reviewed
      • Creation of freestanding wrinkled nano-films with desired deformation properties by controlling the surface morphology of a sacrificial layer
        Hiroyuki Hirakata; Tomohiro Maruyama; Akio Yonezu; Kohji Minoshima
        Journal of Applied Physics, 2013, Peer-reviewed
      • The effect of thickness on the steady-state creep properties of freestanding aluminum nano-films
        Hiroyuki Hirakata; Naomichi Fukuhara; Shoichi Ajioka; Akio Yonezu; Masayuki Sakihara; Kohji Minoshima
        ACTA MATERIALIA, Jun. 2012, Peer-reviewed
      • Evaluation of interfacial toughness curve of bimaterial in submicron scale
        Van Truong Do; Hiroyuki Hirakata; Takayuki Kitamura; Van Thanh Vuong; Van Lich Le
        INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, Jun. 2012, Peer-reviewed
      • Development of fatigue crack propagation technique for freestanding nano-films
        Toshiyuki Kondo; Takahiro Imaoka; Hiroyuki Hirakata; Akio Yonezu; Masayuki Sakihara; Kohji Minoshima
        Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 2012, Peer-reviewed
      • Fabrication and mechanical properties of column-particle nanocomposites by multiscale shape-assisted self-assembly
        Hiroyuki Hirakata; Yoshifumi Ajioka; Akio Yonezu; Kohji Minoshima
        JOURNAL OF PHYSICS D-APPLIED PHYSICS, Jan. 2012, Peer-reviewed
      • Evaluation of threshold stress intensity factor of hydrogen embrittlement cracking by indentation testing
        Akio Yonezu; Takuma Hara; Toshiyuki Kondo; Hiroyuki Hirakata; Kohji Minoshima
        MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, Jan. 2012, Peer-reviewed
      • Interface strength of structured nanocolumns grown by glancing angle deposition
        Hiroyuki Hirakata; Taku Nishihira; Akio Yonezu; Kohji Minoshima
        ENGINEERING FRACTURE MECHANICS, Nov. 2011, Peer-reviewed
      • Frictional Anisotropy of Oblique Nanocolumn Arrays Grown by Glancing Angle Deposition
        Hiroyuki Hirakata; Taku Nishihira; Akio Yonezu; Kohji Minoshima
        TRIBOLOGY LETTERS, Nov. 2011, Peer-reviewed
      • Size effect on fracture toughness of freestanding copper nano-films
        Hiroyuki Hirakata; Osamu Nishijima; Naomichi Fukuhara; Toshiyuki Kondo; Akio Yonezu; Kohji Minoshima
        MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, Oct. 2011, Peer-reviewed
      • Fracture nanomechanics
        Takayuki Kitamura; Hiroyuki Hirakata; Takashi Sumigawa; Takahiro Shimada
        Fracture Nanomechanics, 31 Jul. 2011, Peer-reviewed
      • Realization of freestanding wrinkled thin films with flexible deformability
        Tomohiro Maruyama; Hiroyuki Hirakata; Akio Yonezu; Kohji Minoshima
        APPLIED PHYSICS LETTERS, Jan. 2011, Peer-reviewed
      • A simple method to evaluate anisotropic plastic properties based on dimensionless function of single spherical indentation - Application to SiC whisker-reinforced aluminum alloy
        Akio Yonezu; Keishi Yoneda; Hiroyuki Hirakata; Masayuki Sakihara; Kohji Minoshima
        MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, Nov. 2010, Peer-reviewed
      • Strength of self-organized TiO2 nanotube arrays
        Hiroyuki Hirakata; Kenji Ito; Akio Yonezu; Hiroaki Tsuchiya; Shinji Fujimoto; Kohji Minoshima
        ACTA MATERIALIA, Sep. 2010, Peer-reviewed
      • Evaluation of incipient plasticity from interfaces between ultra-thin gold films and compliant substrates
        Hiroyuki Hirakata; Hiroki Ogiwara; Akio Yonezu; Kohji Minoshima
        THIN SOLID FILMS, Jul. 2010, Peer-reviewed
      • ESTIMATION OF ANISOTROPIC PLASTIC PROPERTIES OF ENGINEERING STEELS FROM SPHERICAL IMPRESSIONS
        Keishi Yoneda; Akio Yonezu; Hiroyuki Hirakata; Kohji Minoshima
        INTERNATIONAL JOURNAL OF APPLIED MECHANICS, Jun. 2010, Peer-reviewed
      • Hydrogen effect on fracture toughness of thin film/substrate interfaces
        Hiroyuki Hirakata; Takeshi Yamada; Yoshiki Nobuhara; Akio Yonezu; Kohji Minoshima
        ENGINEERING FRACTURE MECHANICS, Mar. 2010, Peer-reviewed
      • On hydrogen-induced Vickers indentation cracking in high-strength steel
        Akio Yonezu; Masanori Arino; Toshiyuki Kondo; Hiroyuki Hirakata; Kohji Minoshima
        MECHANICS RESEARCH COMMUNICATIONS, Mar. 2010, Peer-reviewed
      • Estimation of the anisotropic plastic property using single spherical indentation-An FEM study
        Akio Yonezu; Yoshiki Kuwahara; Keishi Yoneda; Hiroyuki Hirakata; Kohji Minoshima
        COMPUTATIONAL MATERIALS SCIENCE, Dec. 2009, Peer-reviewed
      • Disappearance of stress singularity at interface edge due to nanostructured thin film
        Takashi Sumigawa; Hiroyuki Hirakata; Masaki Takemura; Shohel Matsumoto; Motofumi Suzuki; Takayuki Kitamura
        ENGINEERING FRACTURE MECHANICS, Jul. 2008
      • Creep crack initiation at a free edge of an interface between submicron thick elements
        Hiroyuki Hirakata; Toshihiro Hirako; Yoshimasa Takahashi; Yasunori Matsuoka; Takayuki Kitamura
        ENGINEERING FRACTURE MECHANICS, Jul. 2008, Peer-reviewed
      • Increase of stress intensity near interface edge of elastic-creep Bi-material under a sustained load
        Kittikorn Ngampungpis; Takayuki Kitamura; Hiroyuki Hirakata
        ENGINEERING FRACTURE MECHANICS, Apr. 2008, Peer-reviewed
      • Quantitative evaluation of plasticity of a ductile nano-component
        Yoshimasa Takahashi; Hiroyuki Hirakata; Takayuki Kitamura
        THIN SOLID FILMS, Feb. 2008, Peer-reviewed
      • Stress field near interface edge of elastic-creep bi-material
        Takayuki Kitamura; Kittikorn Ngampungpis; Hiroyuki Hirakata
        ENGINEERING FRACTURE MECHANICS, Jul. 2007, Peer-reviewed
      • Anisotropic deformation of thin films comprised of helical nanosprings
        Hiroyuki Hirakata; Shohei Matsumoto; Masaki Takemura; Motofumi Suzuki; Takayuki Kitamura
        INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, Jun. 2007, Peer-reviewed
      • Role of plasticity on interface crack initiation from a free edge and propagation in a nano-component
        Hiroyuki Hirakata; Yoshimasa Takahashi; Do Van Truong; Takayuki Kitamura
        INTERNATIONAL JOURNAL OF FRACTURE, Jun. 2007, Peer-reviewed
      • Effect of Material Thickness on the Singular Stress Field in Elastic-creep Bi-material Interface
        NGAMPUNGPIS Kittikorn; KITAMURA Takayuki; HIRAKATA Hiroyuki
        JSMME, 2007
      • Experimental Evaluation of Plastic Property of A Low-Dimensional Cu Nano-Component
        Materials Science Forum, 2007
      • Interface strength of low-dimensional nano-components
        Takayuki Kitamura; Hiroyuki Hirakata; Yoshimasa Takahashi
        PROGRESSES IN FRACTURE AND STRENGTH OF MATERIALS AND STRUCTURES, 1-4, 2007, Peer-reviewed
      • Initiation of interface crack at free edge between thin films with weak stress singularity
        Takayuki Kitamura; Hiroyuki Hirakata; Do Van Truong
        THIN SOLID FILMS, Jan. 2007, Peer-reviewed
      • Increase of stress intensity near free-edge of elastic-creeping bi-material interface under a sustained load
        Kittikorn Ngampungpis; Hiroyuki Hirakata; Takayuki Kitamura
        ENGINEERING PLASTICITY AND ITS APPLICATIONS FROM NANOSCALE TO MACROSCALE, PTS 1 AND 2, 2007
      • Development of in situ TEM experiment of crack initiation at interface edge in nano-structures
        Hiroyuki Hirakata; Yoshimasa Takahashi; Koji Shinmi; Do Van Truong; Takayuki Kitamura
        Zairyo/Journal of the Society of Materials Science, Japan, Dec. 2006
      • Dominant stress region for crack initiation at interface edge of microdot on a substrate
        Hiroyuki Hirakata; Yoshimasa Takahashi; Shohei Matsumoto; Takayuki Kitamura
        ENGINEERING FRACTURE MECHANICS, Nov. 2006, Peer-reviewed
      • 透過型電子顕微鏡によるナノ構造体の界面端き裂発生のその場観察試験法の開発
        材料, 2006
      • Effect of loading frequency on fatigue crack growth between a submicron-thick film and a substrate
        Do Van Truong; Hiroyuki Hirakata; Takayuki Kitamura
        JSME International Journal, Series A: Solid Mechanics and Material Engineering, 2006, Peer-reviewed
      • Fatigue crack growth along interface between metal and ceramics submicron-thick films in inert environment
        H Hirakata; M Kitazawa; T Kitamura
        ACTA MATERIALIA, Jan. 2006, Peer-reviewed
      • Pre-cracking technique for fracture mechanics experiments along interface between thin film and substrate
        H Hiroyuki; KA Takayuki; T Kusano
        ENGINEERING FRACTURE MECHANICS, Aug. 2005, Peer-reviewed
      • Experimental and theoretical investigations of delamination at free edge of interface between piezoelectric thin films on a substrate
        F Shang; T Kitamura; H Hirakata; Kanno, I; H Kotera; K Terada
        INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, Mar. 2005, Peer-reviewed
      • Delamination test and the effect of free edge on interface strength of PZT thin films
        F Shang; T Kitamura; H Hirakata
        INTEGRATED FERROELECTRICS, 2005
      • Direct measurement of interface strength between copper submicron-dot and silicon dioxide substrate
        H Hirakata; T Kitamura; Y Yamamoto
        JSME INTERNATIONAL JOURNAL SERIES A-SOLID MECHANICS AND MATERIAL ENGINEERING, Jul. 2004, Peer-reviewed
      • Evaluation of interface strength of micro-dot on substrate by means of AFM
        H Hirakata; T Kitamura; Y Yamamoto
        INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, Jun. 2004, Peer-reviewed
      • Applicability of fracture mechanics on brittle delamination of nanoscale film edge
        T Kitamura; H Hirakata; Y Satake
        JSME INTERNATIONAL JOURNAL SERIES A-SOLID MECHANICS AND MATERIAL ENGINEERING, Apr. 2004
      • Effect of residual stress on delamination from interface edge between nano-films
        T Kitamura; H Hirakata; T Itsuji
        ENGINEERING FRACTURE MECHANICS, Oct. 2003, Peer-reviewed
      • Interface strength of tungsten micro-component on silicon substrate by means of AFM
        Takayuki Kitamura; Hiroyuki Hirakata; Yoshitake Yamamoto
        Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 01 Aug. 2003
      • A method for introducing pre-crack along interface between submicron-thick film and substrate
        Takayuki Kitamura; Hiroyuki Hirakata; Takato Kusano
        Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 01 Mar. 2003
      • Applicability of fracture mechanics on brittle delamination of nanoscale film edge
        Takayuki Kitamura; Hiroyuki Hirakata; Yusuke Satake
        Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Jan. 2003, Peer-reviewed
      • サブミクロン薄膜/基板への界面予き裂導入法の開発
        日本機械学会論文集A, 2003
      • AFMを用いたシリコン基板とタングステン微小材料の界面強度評価
        日本機械学会論文集A, 2003
      • Delamination Strength of Cu Thin Film Characterized by Nanoscale Stress Field near Interface Edge
        KITAMURA Takayuki; HIRAKATA Hiroyuki; ITSUJI Takashi
        Transactions of the Japan Society of Mechanical Engineers Series B, 2002
      • 原子構造体の強度シミュレーション
        境界要素法論文集, 2002
      • Delamination strength of Cu thin film characterized by nanoscale stress field near interface edge
        Takayuki Kitamuma; Hiroyuki Hirakata; Takashi Itsuji
        Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 01 Jan. 2002
      • エポキシ系接着剤のモードI疲労き裂進展中における破壊形態の変化(DCB試験片界面端の応力特異性の影響)
        日本機械学会論文集A, 2001
      • エポキシ系接着剤の疲労き裂進展中における破壊形態の変化と二次き裂進展
        日本機械学会論文集A, 2001
      • Failure transition in fatigue crack propagation of epoxy adhesives under mode I loading (effect of stress singularity at the interfacial edges of DCB specimens on failure transition)
        Hiroyuki Hirakata; Toru Fujii
        Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 2001
      • Failure transition in fatigue crack propagation of epoxy adhesives and their secondary crack growth below threshold
        Hiroyuki Hirakata; Toru Fujii
        Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 2001
      • Effect of surface treatment for steel adherends on static and fatigue crack growth of epoxy adhesives
        K Naito; H Hirakata; T Fujii
        COMPOSITE INTERFACES, 1998

      Misc.

      • 814 Dominant stress region for crack initiation at interface edge of microstructures
        TAKAHASHI Yoshimasa; MATSUMOTO Syohei; HIRAKATA Hiroyuki; KITAMURA Takayuki
        The Computational Mechanics Conference, 17 Nov. 2005
      • 520 Creep Crack Growth along Interface between Submicron-thick Film and Substrate
        HIRAKATA Hiroyuki; YOKOYAMA Masanori; IKEDA Aki; KITAMURA Takayuki
        学術講演会講演論文集, 2005
      • 521 In Situ Observation of Interfacial Crack Initiation and Propagation in Nano Materials
        TAKAHASHI Yoshimasa; HIRAKATA Hiroyuki; KITAMURA Takayuki
        学術講演会講演論文集, 2005
      • 364 Crack initiation toughness at interface edge of nano-cantilevers
        TAKAHASHI Yoshimasa; HIRAKATA Hiroyuki; KITAMURA Takayuki
        The Computational Mechanics Conference, 02 Nov. 2006
      • Delamination from Interface Edge between Polymer Thin Film and Substrate
        YOKOYAMA Masanori; HIRAKATA Hiroyuki; KITAMURA Takayuki
        The Computational Mechanics Conference, 22 Nov. 2003
      • Evaluation of Interface Strength between Submicron Dot and Substrate
        HIRAKATA Hiroyuki; YAMAMOTO Yoshitake; KITAMURA Takayuki
        The Computational Mechanics Conference, 22 Nov. 2003
      • Effect of Internal Stress on Stress Field near Interface Edge between Thin Films
        HIRAKATA Hiroyuki; YAMAMOTO Yoshitake; KITAMURA Takayuki
        The Computational Mechanics Conference, 30 Oct. 2002
      • 439 Size of Stress Singular Zone near Interface Edge of Thin Films
        KUSANO Takato; HIRAKATA Hiroyuki; KITAMURA Takayuki
        The Computational Mechanics Conference, 27 Nov. 2001
      • 154 Analysis on Delamination Process at Interface Edge in Nanoscale Bonded Thin Film using Atomistic Simulation
        HIRAKATA Hiroyuki; KITAMURA Takayuki
        The Computational Mechanics Conference, 27 Nov. 2001
      • Evaluation of Interface Strength between Thin Films
        HIRAKATA Hiroyuki; KITAMURA Takayuki
        材料力学部門春のシンポジウム講演論文集, 2003
      • Delamination between polymer thin film and glass substrate in creep
        YOKOYAMA Masanori; HIRAKATA Hiroyuki; KITAMURA Takayuki
        The Computational Mechanics Conference, 17 Nov. 2004
      • 512 サブミクロン Cu 薄膜のはく離強度特性に及ぼす膜厚の影響
        平方 寛之; 北村 隆行
        学術講演会講演論文集, 2001
      • Interface Strength Evaluation of Sub-Micron Material
        HIRAKATA Hiroyuki; KITAMURA Takayuki
        M&Mレイクサイドサマーシンポジウム講演論文集, 2002
      • 302 Effect of Hydrogen on Interface Fracture Toughness between Nano-film and Substrate
        YAMADA Takeshi; NOBUHARA Yoshiki; SAKIHARA Masayuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2009
      • 303 Onset of Plastic Deformation at a Nano-Film Interface
        Ogiwara Hiroki; Hirakata Hiroyuki; Minoshima Kohji
        関西支部講演会講演論文集, 16 Mar. 2009
      • 304 Hydrogen Effects on Nano Plastic Deformation
        KONDO Toshiyuki; YONEZU Akio; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2009
      • ATOMISTIC SIMULATION ON DELAMINATION PROCESS OF THIN FILM EDGE
        HIRAKATA Hiroyuki; SATAKE Yusuke; KITAMURA Takayuki
        計算工学講演会論文集, 30 May 2001
      • OS1213 Experimental Study on the Onset of Plastic Deformation at a Nano-Film Interface
        Ogiwara Hiroki; Hirakata Hiroyuki; Minoshima Kohji
        M&M材料力学カンファレンス, 16 Sep. 2008
      • OS1214 Effect of Small Defects on the Strength of SiN Thin Films
        KAWAMI Yusuke; MINOSHIMA Kohji; TAKAHASHI Hirokazu; SAKIHARA Masayuki; HIRAKATA Hiroyuki
        M&M材料力学カンファレンス, 16 Sep. 2008
      • 535 Analysis for stress distribution near interface edge between nanostructured thin film and solid body
        Sumigawa Takashi; Hirakata Hiroyuki; Takemura Masaki; Matsumoto Shohei; Suzuki Motofumi; Kitamura Takayuki
        M&M材料力学カンファレンス, 24 Oct. 2007
      • 301 Time Dependent Crack Initiation at Interface Free-edge of Sub-micron Components
        TAKAHASHI Yoshimasa; HIRAKATA Hiroyuki; HIRAKO Toshihiro; MATSUOKA Yasunori; KITAMURA Takayuki
        M&M材料力学カンファレンス, 24 Oct. 2007
      • PS4 Fracture Toughness Evaluation of Freestanding Cu Thin Film
        NISHIJIMA Osamu; FUKUHARA Naomichi; HIRAKATA Hiroyuki; YONEZU Akio; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 09 Oct. 2010
      • 1506 Anisotropy in interface strength of a thin film comprised of asymmetric nanostructures
        NISHIHIRA Taku; MASUI Kazuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 09 Oct. 2010
      • 1505 Effect of thickness on creep property of freestanding Al nano-filnis
        FUKUHARA Naomichi; AJIOKA Shoichi; HIRAKATA Hiroyuki; YONEZU Akio; SAKIHARA Masayuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 09 Oct. 2010
      • 106 Strength Property of Self-Organized TiO_2 Nanotubes
        ITO Kenji; HIRAKATA Hiroyuki; MINOSHIMA Koji
        関西支部講演会講演論文集, 16 Mar. 2010
      • 101 Strength and Fracture Toughness of SiN Thin Films
        KAWAMI Yusuke; TAKAHASHI Hirokazu; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2010
      • 103 Evaluation of Creep Property of Submicrmeter-thick Freestanding Al films
        AJIOKA Shoichi; HIRAKATA Hiroyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2010
      • 201 Stress-strain curve estimation of anisotropic plastic materials using indentation method
        YONEDA Keishi; YONEZU Akio; SAKIHARA Masayuki; HIRAKATA Hiroyuki; MINOSHIMA Koji
        関西支部講演会講演論文集, 16 Mar. 2010
      • OS0517 On hydrogen embrittlement cracking in high strength steel subjected to local contact loading
        YONEZU Akio; ARINO Masanori; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 24 Jul. 2009
      • OS1428-364 Creep crack propagation of gold thin films
        KOTOGE Ryota; KAMEYAMA Takumi; HIRAKATA Hiroyuki; KONDO Toshiyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 21 Nov. 2015
      • OS1430-356 Effects of environment on fatigue crack propagation properties in freestanding copper nano-films
        KONDO Toshiyuki; SHIN Akihiro; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 21 Nov. 2015
      • OS1410-332 Environmental effects on deformation and fracture of nanocolumns
        HIRAKATA Hiroyuki; TAKEYAMA Shotaro; KONDO Toshiyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 21 Nov. 2015
      • OS1431-362 Mechanisms of fatigue crack propagation in freestanding single crystalline copper nano-films
        YOSHIDA Takanori; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 21 Nov. 2015
      • OS12-6 Thickness Effects on Fracture Toughness of Single-crystalline and Polycrystalline Copper Submicron Films(Mechanical properties of nano- and micro-materials-2,OS12 Mechanical properties of nano- and micro-materials,MICRO AND NANO MECHANICS)
        Hirakata Hiroyuki; Yoshida Takuya; Kondo Toshiyuki; Minoshima Kohji
        Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics, 04 Oct. 2015
      • OS12-8 Effects of Crack Closure on Fatigue Crack Propagation Properties in Submicron-Thick Freestanding Copper Films(Mechanical properties of nano- and micro-materials-2,OS12 Mechanical properties of nano- and micro-materials,MICRO AND NANO MECHANICS)
        KONDO Toshiyuki; ISHI Takaki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics, 04 Oct. 2015
      • 909 Evaluation of Elasto-plastic Properties of Drawn Materials using Indentation
        KUWAHARA Yoshiki; YONEZU Akio; HIRAKATA Hiroyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 14 Mar. 2008
      • M310 Tensile and creep properties of copper nanoporous thin films fabricated by glancing angle deposition
        FUJIWARA Keisuke; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 11 Mar. 2016
      • M318 Effect of vacuum environment on fatigue crack propagation of freestanding copper nano-films
        SHIN Akihiro; KONDO Toshiyuki; HIRAKATA Hiroyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 11 Mar. 2016
      • M312 Thickness effect on fatigue crack propagation in freestanding single-crystalline copper nano-films
        YOSHIDA Takanori; KONDO Toshiyuki; HIRAKATA Hiroyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 11 Mar. 2016
      • M317 Effect of Vacuum on Creep Properties of Ti Nanocolumns
        TAKEYAMA Shotaro; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 11 Mar. 2016
      • J2210105 Effects of Vacuum on Room-Temperature Time-dependent Deformation of Structured Nanocolumns
        HIRAKATA Hiroyuki; TAKEYAMA Shotaro; KONDO Toshiyuki; MINOSHIMA Kohji
        Mechanical Engineering Congress, Japan, 13 Sep. 2015
      • J2210106 Thickness effects on fatigue crack propagation in freestanding single crystalline copper nano-films
        KONDO Toshiyuki; YOSHIDA Takanori; MORIKUNI Tomoaki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        Mechanical Engineering Congress, Japan, 13 Sep. 2015
      • Thickness effect on fracture toughness in freestanding copper nano-films
        近藤 俊之; 平方 寛之; 箕島 弘二
        大阪大学超高圧電子顕微鏡センター年報, 2014
      • 407 Dominant stress region for interfacial fracture in Nano-Structures
        TAKAHASHI Yoshimasa; HIRAKATA Hiroyuki; KITAMURA Takayuki
        学術講演会講演論文集, 2007
      • Nontrivial topological polarization field self-ordered in nanoporous ferroelectrics—A phase-field modeling
        Takahiro SHIMADA; Le Van LICH; Takayuki KITAMURA; Hiroyuki HIRAKATA
        2019 MRS Fall Meeting and Exhibits, Dec. 2019, Peer-reviewed
      • Size effects on creep and creep fracture mechanisms of single-crystal metallic nanomaterials
        Hiroyuki HIRAKATA; Takayuki NAGASHIMA; Kotaro YAMAGUCHI; Takahiro SHIMADA
        2019 MRS Fall Meeting and Exhibits, Dec. 2019, Peer-reviewed
      • 表面酸化層制御サブミクロン銅薄膜の破壊じん性
        近藤俊之; 三木大輝; 平方寛之; 箕島弘二
        破壊力学シンポジウム講演論文集, 2019
      • Multiferroic polarons in doped perovskite oxides
        Takahiro SHIMADA; Tao XU; Takayuki KITAMURA; Hiroyuki HIRAKATA
        2018 MRS Fall Meeting and Exhibits, Nov. 2018, Peer-reviewed
      • Stress-induced chemical reaction of Ti/Si multilayered nano-films
        Hiroyuki HIRAKATA; Takashi KAWAI; Toshiyuki KONDO; Kohji MINOSHIMA
        2018 MRS Fall Meeting and Exhibits, Nov. 2018, Peer-reviewed
      • QM/MM modeling of brittle fracture from a dislocation core in SrTiO3
        Takahiro Shimada; Naoki Ozaki; Takashi Sumigawa; Takayuki Kitamura; Hiroyuki Hirakata
        15th Asia-Pacific Conference on Fracture and Strength, 2018
      • Shear deformation induces localized chemical reaction of Ti/Si multilayered nanofilms
        Takahiro Shiraishi; Kazumasa Tokunaka; Takahiro Shimada; Hiroyuki Hirakata
        15th Asia-Pacific Conference on Fracture and Strength, 2018
      • Creep properties of submicrometer-sized single-crystal Al
        Kotaro Yamaguchi; Ryoma Kishino; Takahiro Shimada; Hiroyuki Hirakata
        15th Asia-Pacific Conference on Fracture and Strength, 2018
      • Effects of Film Thickness on Creep Crack Propagation Mechanisms of Gold Submicron Films
        Hiroyuki HIRAKATA; Ryota KOTOGE; Yuya MAEGAWA; Toshiyuki KONDO; Kohji MINOSHIMA
        14th International Conference on Fracture (ICF 14), Jun. 2017, Peer-reviewed
      • Effects on vacuum on fatigue crack propagation in freestanding copper submicron films
        Toshiyuki KONDO; Masaya AKASAKA; Hiroyuki HIRAKATA; Kohji MINOSHIMA
        14th International Conference on Fracture (ICF 14), Jun. 2017, Peer-reviewed
      • サブミクロン銅薄膜の破壊じん性に及ぼす酸化の影響
        三木大輝; 杉浦大貴; 近藤俊之; 平方寛之; 箕島弘二
        日本機械学会M&M材料力学カンファレンス(CD-ROM), 2017
      • Creep crack propagation behavior in submicron gold films
        Hiroyuki Hirakata; Ryota Kotoge; Takumi Kameyama; Toshiyuki Kondo; Masayuki Sakihara; Kohji Minoshima
        21ST EUROPEAN CONFERENCE ON FRACTURE, (ECF21), 2016, Peer-reviewed
      • Fatigue crack propagation properties of submicron-thick freestanding copper films in vacuum environment
        Toshiyuki Kondo; Akihiro Shin; Hiroyuki Hirakata; Kohji Minoshima
        21ST EUROPEAN CONFERENCE ON FRACTURE, (ECF21), 2016, Peer-reviewed
      • Fracture nanomechanics: Second edition
        Takayuki Kitamura; Takashi Sumigawa; Hiroyuki Hirakata; Takahiro Shimada
        Fracture Nanomechanics: Second Edition, 18 Dec. 2015
      • M208 Creep crack propagation of freestanding gold nano-films
        KAMEYAMA Takumi; KOTOGE Ryota; KONDO Toshiyuki; HIRAKATA Hiroyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2015
      • M306 A method for evaluating large-strain plasticity of nano-films based on local deformation field taken by FESEM
        TAMURA Taku; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2015
      • M202 Crack closure behavior in fatigue crack propagation of free-standing copper nano films
        ISHII Takaki; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2015
      • M301 Investigation of thickness effect on fracture toughness of freestanding single-crystalline copper nano-films by in situ FESEM observation
        YOSHIDA Takuya; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2015
      • M715 Evaluation of fracture properties of titanium nanocolumns by controlling nanoscale shape and local stress field
        TAKEUCHI Kyosuke; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2015
      • M713 A method for evaluating strength of size-controlled nanocolumns fabricated by substrate-shape-assisted glancing angle deposition
        ONIZAKI Kohei; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2015
      • J2240404 Thickness dependence on fatigue crack propagation in freestanding copper nano-films
        KONDO Toshiyuki; IMAOKA Takahiro; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        Mechanical Engineering Congress, Japan, 07 Sep. 2014
      • J2240403 Thickness effect on fracture toughness of copper single-crystalline freestanding nano-films
        HIRAKATA Hiroyuki; YOSHIDA Takuya; MATSUDA Yuina; KONDO Toshiyuki; MINOSHIMA Kohji
        Mechanical Engineering Congress, Japan, 07 Sep. 2014
      • OS1114 Thickness dependency on creep crack growth of aluminum nano-films
        KAMEYAMA Takumi; KASHIMA Yuki; SAKIHARA Masayuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 19 Jul. 2014
      • OS1113 Mechanical conditions of fatigue crack initiation in freestanding copper nano-films
        KONDO Toshiyuki; BI Xiaochen; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 19 Jul. 2014
      • OS1107 Room Temperature Creep of Metal Oxide Nanocolumns
        HIRAKATA Hiroyuki; TAGAMI Takeshi; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 19 Jul. 2014
      • OS1106 Strength evaluation of titanium nanocolumns by controlling nanoscale shape, or stress field
        TAKEUCHI Kyosuke; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 19 Jul. 2014
      • 1220 Creep crack propagation of freestanding aluminum nano-films
        KASHIMA Yuki; HIRAKATA Hiroyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 18 Mar. 2014
      • 1221 Creep Property of Nanocolumns Grown on a Substrate
        TAGAMI Takeshi; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 18 Mar. 2014
      • 1216 Effect of crack closure on fatigue crack propagation properties of freestanding copper nano-films
        KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 18 Mar. 2014
      • 1217 Mechanics of fatigue crack initiation of freestanding copper nano-film based on crystallographic analysis
        BI Xiaochen; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 18 Mar. 2014
      • 1201 Evaluation of fracture toughness of nanometer-thick freestanding copper films
        KAWAJIRI Takahiro; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 18 Mar. 2014
      • 1202 In situ FESEM fracture toughness testing of freestanding copper nano-films
        TAKEDA Yuki; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 18 Mar. 2014
      • Characteristic mechanism of fatigue crack propagation in submicron-thick freestanding copper films
        Toshiyuki Kondo; Hiroyuki Hirakata; Masayuki Sakihara; Kohji Minoshima
        20TH EUROPEAN CONFERENCE ON FRACTURE, 2014, Peer-reviewed
      • Mechanics of fatigue crack propagation in submicron-thick freestanding copper films
        Hiroyuki Hirakata; Toshiyuki Kondo; Masayuki Sakihara; Kohji Minoshima
        11TH INTERNATIONAL FATIGUE CONGRESS, PTS 1 AND 2, 2014, Peer-reviewed
      • Creep and fracture of structured nanocolumns grown on a substrate
        Hiroyuki Hirakata; Takeshi Tagami; Kohji Minoshima
        20TH EUROPEAN CONFERENCE ON FRACTURE, 2014, Peer-reviewed
      • OS1224 Strength characterization of titanium nanocolumns by controlling nanoscale shape
        TAKEUCHI Kyosuke; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 12 Oct. 2013
      • OS1223 Creep and Interfacial Fracture of Titanium Nanocolumns Grown on a Substrate
        HIRAKATA Hiroyuki; TAGAMI Takeshi; TSUTSUMI Yoshiaki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 12 Oct. 2013
      • PS24 Nano-scale observation of fatigue damage formation of freestanding copper nano-films
        BI Xiaochen; TAMURA Taku; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 12 Oct. 2013
      • OS1202 In situ FESEM observation on fatigue crack propagation of freestanding copper nano-films
        KONDO Toshiyuki; HIRAKATA Hiroyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 12 Oct. 2013
      • OS1201 Crack propagation and thickness dependency of freestanding copper nano-films
        TAKEDA Yuki; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 12 Oct. 2013
      • 305 Evaluation of large strain plasticity of nano-films using digital image correlation
        ITO Ryuichi; KONDO Toshiyuki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2013
      • 309 Creen Interfacial Fracture of Ti Nanocolumns
        TSUTSUMI Yoshiaki; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2013
      • 304 Formation of External Structure of Thin Films by Controlling Nano Structure Using Glancing Angle Deposition
        TSUTSUI Tomohiro; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2013
      • 308 Fatigue damage initiation in freestanding copper nano-films by nano-scale observation and crystal orientation analysis
        Kondo Toshiyuki; Bi XiaoChen; Hirakata Hiroyuki; Minoshima Kohji
        関西支部講演会講演論文集, 16 Mar. 2013
      • 310 Thickness effect and mechanism of fatigue crack propagation of freestanding Cu nano-films
        IMAOKA Takahiro; KONDO Toshiyuki; HIRAKATA Hiroyuki; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2013
      • OS1302 Observation of fatigue damage around crack tip in freestanding Cu nano-films
        KONDO Toshiyuki; IMAOKA Takahiro; HIRAKATA Hiroyuki; YONEZU Akio; SAKIHARA Masayuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 22 Sep. 2012
      • OS1301 Thickness effect on fracture toughness of nano-thick metallic films
        HIRAKATA Hiroyuki; KONDO Toshiyuki; TAKEDA Yuki; KWAJIRI Takahiro; YONEZU Akio; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 22 Sep. 2012
      • PS03 Evaluation of large strain plasticity of nano-films by using digital image correlation
        ITO Ryuichi; KONDO Toshiyuki; HIRAKATA Hiroyuki; YONEZU Akio; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 22 Sep. 2012
      • PS04 Realization of functional nano-films by controlling external structure using glancing angle deposition
        TSUTSUI Tomohiro; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 22 Sep. 2012
      • 719 Plastic deformation of titanium nanostructured elements grown by glancing angle deposition
        MATSUNAGA Takeshi; HIRAKATA Hiroyuki; YONEZU Akio; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2012
      • 715 Effects of stress ratio on fatigue crack propagation of freestanding copper nano-films
        KONDO Toshiyuki; IMAOKA Takahiro; HIRAKATA Hiroyuki; YONEZU Akio; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2012
      • 714 Realization of flexible freestanding nano-films by controlling surface morphology of a sacrificial resin layer
        MARUYAMA Tomohiro; HIRAKATA Hiroyuki; YONEZU Akio; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2012
      • 716 Size effects on steady state creep property of freestanding Al nano-films
        FUKUHARA Naomichi; HIRAKATA Hiroyuki; YONEZU Akio; SAKIHARA Masayuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 16 Mar. 2012
      • 722 Near-threshold fatigue crack propagation properties of freestanding Cu nano-films
        KONDO Toshiyuki; IMAOKA Takahiro; HIRAKATA Hiroyuki; YONEZU Akio; SAKIHARA Masayuki; MINOSHIMA Kohji
        学術講演会講演論文集, 2012
      • 5-4 Size effect of crack propagation of freestanding metallic nano-films
        Hirakata Hiroyuki; Kondo Toshiyuki; Nishijima Osamu; Yonezu Akio; Minoshima Kohji
        マイクロ・ナノ工学シンポジウム, 25 Sep. 2011
      • OS12-4-2 Fatigue crack propagation in freestanding copper nano-films
        KONDO Toshiyuki; IMAOKA Takahiro; HIRAKATA Hiroyuki; YONEZU Akio; SAKIHARA Masayuki; MINOSHIMA Kohji
        Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics, 19 Sep. 2011
      • OS06-1-1 Interface Fracture of Titanium Oblique Nanocolumns Grown by Glancing Angle Deposition
        Hirakata Hiroyuki; Nishihira Taku; Yonezu Akio; Minoshma Kohji
        Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics, 19 Sep. 2011
      • OS06-2-1 Fabrication and mechanical property of freestanding flexible thin films with wrinkled structure
        Maruyama Tomohiro; Yonezu Akio; Hirakata Hiroyuki; Minoshima Kohji
        Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics, 19 Sep. 2011
      • OS1601 Realization and mechanical properties of flexible freestanding nano-films
        MARUYAMA Tomohiro; HIRAKATA Hiroyuki; YONEZU Akio; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 16 Jul. 2011
      • OS1603 Thickness effect on fatigue crack propagation of freestanding Cu nano-films
        KONDO Toshiyuki; IMAOKA Takahiro; HIRAKATA Hiroyuki; YONEZU Akio; SAKIHARA Masayuki; MINOSHIMA Kohji
        M&M材料力学カンファレンス, 16 Jul. 2011
      • 516 Fabrication and mechanical properties ofnano-composite structures by multiscale self-assembly
        AJIOKA Yoshifumii; YONEZU Akio; HIRAKATA Hiroyuk; MINOSHIMA Kohji
        関西支部講演会講演論文集, 19 Mar. 2011
      • 515 Interface strength of Ti oblique nano-columns fabricated by glancing angle deposiotion
        NISHIHIRA Taku; HIRAKATA Hiroyuki; MINOSHIMA Kohji
        関西支部講演会講演論文集, 19 Mar. 2011
      • 609 Size effect on fracture toughness of freestanding Cu nano-films
        NISHIJIMA Osamu; KONDO Toshiyuki; NINOMIYA Ryo; YONEZU Akio; HIRAKATA Hiroyuki; MINOSHIMA Koji
        関西支部講演会講演論文集, 19 Mar. 2011
      • 710 Fatigue crack propagation properties of freestanding Cu nano-films
        KONDO Toshiyuki; IMAOKA Takahiro; HIRAKATA Hiroyuki; YONEZU Akio; SAKIHARA Masayuki; MINOSHIMA Kohji
        学術講演会講演論文集, 2011
      • Mechanical strength of nano-elements
        Takayuki Kitamura; Hiroyuki Hirakata; Takashi Sumigawa; Takahiro Shimada
        17th European Conference on Fracture 2008: Multilevel Approach to Fracture of Materials, Components and Structures, 01 Dec. 2008
      • Strength of low-dimensional nano-structure
        T. Kitamura; T. Sumigawa; H. Hirakata; Y. Takahashi
        ADVANCES IN HETEROGENEOUS MATERIAL MECHANICS 2008, 2008
      • Effect of confined plasticity on interface fracture in nano-components
        H. Hirakata; Y. Takahashi; T. Kitamura
        ADVANCES IN HETEROGENEOUS MATERIAL MECHANICS 2008, 2008
      • An algorithm to determine the plastic properties of materials based on the loading data in single sharp indentation
        Akio Yonezu; Hiroyuki Hirakata; Kohji Minoshima
        FUNDAMENTALS OF NANOINDENTATION AND NANOTRIBOLOGY IV, 2008, Peer-reviewed
      • Experimental evaluation of plastic property of a low-dimensional Cu nano-component
        Yoshimasa Takahashi; Hiroyuki Hirakata; Takayuki Kitamura
        MATERIALS STRUCTURE & MICROMECHANICS OF FRACTURE V, 2008, Peer-reviewed
      • Evaluation of interface toughness between submicron island and substrate
        Hiroyuki Hirakata; Takayuki Kitamura; Shohei Matsumoto; Yoshimasa Takahashi
        Fracture of Nano and Engineering Materials and Structures - Proceedings of the 16th European Conference of Fracture, 01 Jan. 2006
      • Initiation of interface crack at free edge between thin films in an advanced LSI
        T. Kitamura; H. Hirakata
        11th International Conference on Fracture 2005, ICF11, 01 Dec. 2005
      • Delamination at free edge of interface between piezoelectric thin films
        F. Shang; T. Kitamura; H. Hirakata
        11th International Conference on Fracture 2005, ICF11, 01 Dec. 2005
      • In situ observation of interfacial fracture in low-dimensional nano structures
        Yoshimasa Takahashi; Hiroyuki Hirakata; Takayuki Kitamura
        EMAP 2005: International Symposium on Electronics Materials and Packaging, 2005, Peer-reviewed
      • Effect of frequency on fatigue crack growth along interface between copper film and silicon substrate
        Do Van Truong; Hiroyuki Hirakata; Takayuki Kitamura
        EMAP 2005: International Symposium on Electronics Materials and Packaging, 2005, Peer-reviewed
      • Evaluation of interface strength between a copper submicron dot and silicondioxide substrate
        H Hirakata; T Kitamura; Y Yamamoto
        NANOSCALE MATERIALS AND MODELING-RELATIONS AMONG PROCESSING, MICROSTRUCTURE AND MECHANICAL PROPERTIES, 2004
      • Crack Initiation at Free Edge of Interface between Piezoelectric Thin Films on a Substrate
        F. Shang; T. Kitamura; H. Hirakata; I. Kanno; H. Kotera; K. Terada
        The 5th Euromech Solid Mechanics Conference, pp., 2003, Peer-reviewed
      • Fracture Nanomechanics, Second Edition
        Takayuki Kitamura; Hiroyuki Hirakata; Takashi Sumigawa; Takahiro Shimada
        Pan Stanford, 06 Jan. 2016, Not refereed
      • Fracture Nanomechanics
        Takayuki Kitamura; Hiroyuki Hirakata; Takashi Sumigawa; Takahiro Shimada
        Pan Stanford, 06 Sep. 2011, Not refereed

      Awards

      • Apr. 2004
        The Japan Society of Mechanical Engineers, JSME Medal for Outstanding Paper
      • May 2007
        The Society of Materials Science, Japan, JSMS Award for Scientific Paper
      • May 2011
        The Society of Materials Science, Japan , JSMS Award for Promising Researchers
      • Oct. 2015
        The committee on Fracture Mechanics, The Society of Materials Science, Japan, Ohji-Ohtsuka-Okamura Award for Promising Researchers
      list
        Last Updated :2022/10/01

        Education

        Teaching subject(s)

        • From 01 Apr. 2022, To 31 Mar. 2023
          Advanced Mechanical Engineering
          K013, Fall, Graduate School of Engineering, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Applied Dynamics
          G047, Spring, Graduate School of Engineering, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Fundamentals of Materials 1
          5008, Spring, Faculty of Engineering, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Strength and Fracture of Materials
          5161, Spring, Faculty of Engineering, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Fracture Mechanics
          G017, Fall, Graduate School of Engineering, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Mechanics of Materials 1
          5004, Spring, Faculty of Engineering, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Solid Mechanics, Adv.
          G003, Spring, Graduate School of Engineering, 2
        • From Apr. 2017, To Mar. 2018
          Solid Mechanics, Adv.
          Spring, 工学研究科
        • From Apr. 2017, To Mar. 2018
          Mechanics of Materials 1
          Spring, 工学部
        • From Apr. 2018, To Mar. 2019
          Solid Mechanics, Adv.
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Mechanics of Materials 1
          Spring, 工学部
        • From Apr. 2018, To Mar. 2019
          Fundamentals of Materials 1
          Spring, 工学部
        • From Apr. 2018, To Mar. 2019
          Seminar on Mechanical Engineering and Science A
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Seminar on Mechanical Engineering and Science B
          Fall, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Basic Seminar on Mechanical Engineering and Science A
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Basic Seminar on Mechanical Engineering and Science B
          Fall, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Experiments on Mechanical Engineering and Science,Adv. I
          Year-long, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Experiments on Mechanical Engineering and Science,Adv. II
          Year-long, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Advanced Exercise in Mechanical Engineering and ScienceA
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Advanced Exercise in Mechanical Engineering and ScienceB
          Fall, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Advanced Exercise in Mechanical Engineering and ScienceC
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Advanced Exercise in Mechanical Engineering and ScienceD
          Fall, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Advanced Exercise in Mechanical Engineering and ScienceE
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Advanced Exercise in Mechanical Engineering and ScienceF
          Fall, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Introduction to Engineering Science A
          Fall, 工学部
        • From Apr. 2018, To Mar. 2019
          Master's Thesis
          Year-long, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,A
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,C
          Spring, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,E
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Solid Mechanics, Adv.
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Mechanics of Materials 1
          Spring, 工学部
        • From Apr. 2019, To Mar. 2020
          Fundamentals of Materials 1
          Spring, 工学部
        • From Apr. 2019, To Mar. 2020
          Seminar on Mechanical Engineering and Science A
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Seminar on Mechanical Engineering and Science B
          Fall, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Basic Seminar on Mechanical Engineering and Science A
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Basic Seminar on Mechanical Engineering and Science B
          Fall, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Experiments on Mechanical Engineering and Science,Adv. I
          Year-long, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Experiments on Mechanical Engineering and Science,Adv. II
          Year-long, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Advanced Exercise in Mechanical Engineering and ScienceA
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Advanced Exercise in Mechanical Engineering and ScienceB
          Fall, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Advanced Exercise in Mechanical Engineering and ScienceC
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Advanced Exercise in Mechanical Engineering and ScienceD
          Fall, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Advanced Exercise in Mechanical Engineering and ScienceE
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Advanced Exercise in Mechanical Engineering and ScienceF
          Fall, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Introduction to Engineering Science A
          Spring, 工学部
        • From Apr. 2019, To Mar. 2020
          Master's Thesis
          Year-long, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,A
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,C
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,E
          Spring, 工学研究科
        • From Apr. 2019, To Mar. 2020
          Basic Seminar of Complex Mechanical Engineering,1
          Spring, 工学研究科
        • From Apr. 2020, To Mar. 2021
          Solid Mechanics, Adv.
          Spring, 工学研究科
        • From Apr. 2020, To Mar. 2021
          Mechanics of Materials 1
          Spring, 工学部
        • From Apr. 2020, To Mar. 2021
          Fundamentals of Materials 1
          Spring, 工学部
        • From Apr. 2020, To Mar. 2021
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,A
          Spring, 工学研究科
        • From Apr. 2020, To Mar. 2021
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,C
          Spring, 工学研究科
        • From Apr. 2020, To Mar. 2021
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,E
          Spring, 工学研究科
        • From Apr. 2020, To Mar. 2021
          Basic Seminar of Complex Mechanical Engineering,1
          Spring, 工学研究科
        • From Apr. 2021, To Mar. 2022
          Solid Mechanics, Adv.
          Spring, 工学研究科
        • From Apr. 2021, To Mar. 2022
          Mechanics of Materials 1
          Spring, 工学部
        • From Apr. 2021, To Mar. 2022
          Fundamentals of Materials 1
          Spring, 工学部
        • From Apr. 2021, To Mar. 2022
          Strength and Fracture of Materials
          Spring, 工学部
        • From Apr. 2021, To Mar. 2022
          Fracture Mechanics
          Fall, 工学研究科
        • From Apr. 2021, To Mar. 2022
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,A
          Spring, 工学研究科
        • From Apr. 2021, To Mar. 2022
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,C
          Spring, 工学研究科
        • From Apr. 2021, To Mar. 2022
          Seminar of Complex Mechanical Engineering for the 21st Century COE Program,E
          Spring, 工学研究科
        • From Apr. 2021, To Mar. 2022
          Basic Seminar of Complex Mechanical Engineering,1
          Spring, 工学研究科

        Participation in PhD Defense

        • Mechanical engineering of ferroelectric nanostructures by dislocations in strontium titanate
          MASUDA KAIRI, Graduate School of Engineering, Chief Examiner
          24 Sep. 2021
        • 熱硬化性CFRPの一方向配向中間基材における硬化過程の変形特性に関する研究
          NAITO YUTA, Graduate School of Engineering, Sub-chief Examiner
          23 Mar. 2022
        list
          Last Updated :2022/10/01

          Administration

          Faculty management (title, position)

          • From 01 Apr. 2018, To 31 Mar. 2019
            工学研究科研究推進委員会 委員
          • From 01 Apr. 2018, To 31 Mar. 2019
            機械理工学専攻長
          • From 01 Jun. 2017, To 31 Mar. 2021
            工学研究科国際交流委員会 委員

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