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2008 Fiscal Year Final Research Report

Construction of Seamless Model for Material Microstructural Evolution and Prediction of Material Characteristics

Research Project

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Project/Area Number 18360061
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Materials/Mechanics of materials
Research InstitutionKobe University

Principal Investigator

TOMITA Yoshihiro  Kobe University, 大学院・工学研究科, 教授 (10031147)

Co-Investigator(Kenkyū-buntansha) HASEBE Tadashi  神戸大学, 大学院・工学研究科, 准教授 (20237994)
YASHIRO Kisaragi  神戸大学, 大学院・工学研究科, 准教授 (50311775)
TAKAKI Tomohiro  京都工芸繊維大学, 工芸学研究科, 准教授 (50294260)
Project Period (FY) 2006 – 2008
Keywords分子動力学 / 離散転位動力学 / 連続転位理論 / Phase Field法 / 再結晶過程 / 結晶塑性理論 / 均質化理論 / 相変態
Research Abstract

分子動力学, 離散転位動力学, 連続転位理論, フェーズフィールド法, 結晶塑性理論, 均質化法, 有限要素法を駆使し, ナノからマクロに至る材料の複数の階層の組織形成と応答をシームレスに結合するモデルを構築し, 変形, 相変態等によって創生する微視組織の予測と対応する材料の力学特性の評価も可能とする。加えて、材料組織形成制御による所望の力学的特性を具備した材料の創生への途を開く。

  • Research Products

    (28 results)

All 2009 2008 2007 2006

All Journal Article (28 results) (of which Peer Reviewed: 27 results)

  • [Journal Article] Development of Numerical Scheme for Phase Field Crystal Deformation Simulation2009

    • Author(s)
      T. Hirouchi, T. Takaki, Y.Tomita
    • Journal Title

      Computational Materials Science 44

      Pages: 1192-1197

    • Peer Reviewed
  • [Journal Article] アモルファス金属の局所格子不安定性解析 : II. NiとAlの不安定原子の違い2008

    • Author(s)
      西村正臣, 屋代如月, 冨田佳宏
    • Journal Title

      材料 58-1

      Pages: 76-81

    • Peer Reviewed
  • [Journal Article] Elastoplastic Phase-Field Simulation of Selfand Plastic Accommodations in Cubic-Tetragonal Martensitic Transformation2008

    • Author(s)
      A. Yamanaka, T. Takaki and Y. Tomita
    • Journal Title

      Materials Science and Engineering A Vol.491

      Pages: 378-384

  • [Journal Article] アモルファス金属の局所格子不安定解析 : I.単元系アモルファスにおける不安定原子の役割2008

    • Author(s)
      屋代如月, 西村正臣, 冨田佳宏
    • Journal Title

      材料 57-8

      Pages: 755-760

    • Peer Reviewed
  • [Journal Article] Phase-field study of interface energy effect on quantum dot morphology2008

    • Author(s)
      T. Takaki, T. Hirouchi and Y. Tomita
    • Journal Title

      Journal of Crystal Growth 310

      Pages: 2248-2253

    • Peer Reviewed
  • [Journal Article] Multi-Phase-Field Model to Simulate Microstructure Evolutions during DynamicRecrystallization2008

    • Author(s)
      T. Takaki, T. Hirouchi, Y. Hisakuni, A.Yamanaka, Y. Tomita
    • Journal Title

      Materials Transactions 49-11

      Pages: 2559-2565

    • Peer Reviewed
  • [Journal Article] Multi-Phase-Field Modeling of Diffusive Solid Phase Transition in Carbon Steel duringContinuous Cooling Transformation2008

    • Author(s)
      Akinori Yamanaka, Tomohiro Takaki and Yoshihiro Tomita
    • Journal Title

      Journal of Crystal Growth 310-7/9

      Pages: 1337-1342

    • Peer Reviewed
  • [Journal Article] Coupled Simulation of Microstructural Formation and Deformation Behavior ofFerrite-Pearlite Steel by Phase-Field Methodand Homogenization Method2008

    • Author(s)
      A. Yamanaka, T. Takaki and Y. Tomita
    • Journal Title

      Materials Science and Engineering A Vol 480/1-2

      Pages: 244-252

    • Peer Reviewed
  • [Journal Article] A mechanical approach of nonlocal microstructures2008

    • Author(s)
      Xi Yuan, Yoshihiro Tomita, Tomoaki Ando
    • Journal Title

      Mech. Res. Communications 35-1/2

      Pages: 126-133

    • Peer Reviewed
  • [Journal Article] Effect of size dependent cavitation on microto macroscopic mechanical behavior ofrubber-blended polymer2008

    • Author(s)
      Isamu Riku, Koji Mimura, Yoshihiro Tomita
    • Journal Title

      Trans ASME. Journal of Engineering Materials Technology 130-2

      Pages: 021017-1-9

    • Peer Reviewed
  • [Journal Article] 単軸引張下のナノ多結晶体およびアモルファス金属の不安定挙動 : 局所格子不安定解析2008

    • Author(s)
      屋代如月, 西村正臣, 冨田佳宏
    • Journal Title

      材料 57-2

      Pages: 112-118

    • Peer Reviewed
  • [Journal Article] Strain-Rate-Dependent Deformation Behavior of Carbon-Black-Filled Rubberunder Monotonic and Cyclic Straining2008

    • Author(s)
      Y. Tomita, K. Azuma , M. Naito
    • Journal Title

      Int. J. Mech. Sci. 50-5

      Pages: 856-868

    • Peer Reviewed
  • [Journal Article] 静的再結晶過程のPhase-fieldモデルと解析手順の構築2008

    • Author(s)
      高木知弘, 山中晃徳, 比嘉吉一, 冨田佳宏
    • Journal Title

      日本機械学会論文集 73A-728

      Pages: 428-489

    • Peer Reviewed
  • [Journal Article] 刃状およびらせん転位とミスフィット転位の転位芯相互作用 : 分子動力学による解析2007

    • Author(s)
      鈴木雄風, 屋代如月, 冨田佳宏
    • Journal Title

      日本機械学会論文集 73A-735

      Pages: 1217-1224

    • Peer Reviewed
  • [Journal Article] Ni/Ni_3Al界面ミスフィット転位の構造および運動 : 分子動力学による検討2007

    • Author(s)
      屋代如月, Joy Rizki Pangestu, 冨田佳宏
    • Journal Title

      材料 56-5

      Pages: 439-444

    • Peer Reviewed
  • [Journal Article] Phase-Field Modeling and Simulation of Nucleation and Growth of RecrystallizedGrains2007

    • Author(s)
      T. Takaki, A. Yamanaka and Y. Tomita
    • Journal Title

      Material Science Forum Vols. 558-559

      Pages: 1195-1200

    • Peer Reviewed
  • [Journal Article] 不均一系の大域的・局所的安定性 : ナノ多結晶体とアモルファス金属の局所格子不安定性解析2007

    • Author(s)
      屋代如月, 西村正臣, 久馬雅彦, 冨田佳宏
    • Journal Title

      日本機械学会論文集 73A-725

      Pages: 66-72

    • Peer Reviewed
  • [Journal Article] Phas-field法によるFe-C合金のγ→α変態と炭素拡散挙動の評価2006

    • Author(s)
      山中晃徳, 高木知弘, 冨田佳宏
    • Journal Title

      日本機械学会論文集 73A-726

      Pages: 209-215

    • Peer Reviewed
  • [Journal Article] Deformation Analysis of Amorphous Metals Based on Atomic Elastic StiffnessCoefficients2006

    • Author(s)
      K. Yashiro, M. Nishimura and Y. Tomita
    • Journal Title

      Modelling and Simulation in Materials Science and Engineering 14

      Pages: 597-605

    • Peer Reviewed
  • [Journal Article] Fe-C合金におけるWidmanstattenフェライト形成過程のPhase-fieldシミュレーション2006

    • Author(s)
      山中晃徳, 高木知弘, 冨田佳宏
    • Journal Title

      日本機械学会論文集 72A-723

      Pages: 1676-1683

    • Peer Reviewed
  • [Journal Article] Phase-Field Simulation of Austenite to Ferrite Transformation and Widmanst atten FerriteFormation in Fe-C Alloy2006

    • Author(s)
      Akinori Yamanaka, Tomohiro Takaki and Yoshihiro Tomita
    • Journal Title

      Material Transactions 47-11

      Pages: 2725-2731

    • Peer Reviewed
  • [Journal Article] 部分結晶性高分子材料の球晶のマイクロからメゾスケールにおける変形挙動のモデル化と評価2006

    • Author(s)
      内田真, 冨田佳宏
    • Journal Title

      日本機械学会論文集 72A-717

      Pages: 608-615

    • Peer Reviewed
  • [Journal Article] Discrete Dislocation Dynamics Simulation of Interfacial Dislocation Network inGamma/Gamma-Prime Microstructure ofNi-based Superalloys2006

    • Author(s)
      K. Yashiro, Y. Nakashima and Y. Tomita
    • Journal Title

      Computer Modeling in Engineering & Sciences 11-2

      Pages: 73-80

    • Peer Reviewed
  • [Journal Article] 自己組織化量子ドットの形態発展とbimodalサイズ分布のPhase-Fieldシミュレーション2006

    • Author(s)
      高木知弘, 冨田佳宏
    • Journal Title

      材料 55-10

      Pages: 929-935

    • Peer Reviewed
  • [Journal Article] Nanoindentation on Crystal/Amorphous Polyethlene : A Molecular Dynamic Study2006

    • Author(s)
      K. Yashiro, A. Furuta and Y. Tomita
    • Journal Title

      Computational Materials Sciences 38-1

      Pages: 136-143

    • Peer Reviewed
  • [Journal Article] Discrete Dislocation Dynamics Simulation of Cutting of γ' Precipitate and InterfacialDislocation Network in Ni-BasedSuperalloys2006

    • Author(s)
      K. Yashiro, F. Kurose, Y. Nakashima, K. Kubo, Y. Tomita and H. M. Zbib
    • Journal Title

      Int. J. Plasticity 22

      Pages: 713-723

    • Peer Reviewed
  • [Journal Article] Micro- to Macroscopic Responses of a Glass Particle-Blended Polymer in the Presence ofan Interphase layer2006

    • Author(s)
      Naghi Esmaeili and Yoshihiro Tomita
    • Journal Title

      Int. J. Mech. Sci 48

      Pages: 1186-1195

    • Peer Reviewed
  • [Journal Article] Two-dimensional phase-field simulation of self-assembled quantum dot formation2006

    • Author(s)
      T. Takaki T. Hasebe Y. Tomita
    • Journal Title

      Journal of Crystal Growth 287

      Pages: 495-499

    • Peer Reviewed

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Published: 2010-06-10   Modified: 2016-04-21  

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