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金属ガラスの変形・破壊のその場観察と原子レベルでのメカニクス解明

Research Project

Project/Area Number 15074217
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionOsaka Prefecture University

Principal Investigator

東 健司  Osaka Prefecture University, 工学研究科, 教授 (50173133)

Co-Investigator(Kenkyū-buntansha) 瀧川 順庸  大阪府立大学, 工学研究科, 准教授 (70382231)
津田 大  大阪府立大学, 工学研究科, 講師 (80217322)
上杉 徳照  大阪府立大学, 工学研究科, 助教 (10405342)
那須 稔雄  山形大学, 地域教育文化学部, 教授 (00083436)
東田 賢二  九州大学, 工学研究科, 准教授 (70156561)
三村 耕司  大阪府立大学, 工学研究科, 教授 (70181972)
中山 孝文  (財)電気磁気材料研究所, 主任研究員
高津 正秀  大阪府立大学, 工学研究科, 講師 (80145812)
ペッツォッティ ジュセッペ  京都工芸繊維大学, 工芸学部, 教授 (70262962)
Project Period (FY) 2003 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥113,100,000 (Direct Cost: ¥113,100,000)
Fiscal Year 2007: ¥17,600,000 (Direct Cost: ¥17,600,000)
Fiscal Year 2006: ¥26,000,000 (Direct Cost: ¥26,000,000)
Fiscal Year 2005: ¥28,900,000 (Direct Cost: ¥28,900,000)
Fiscal Year 2004: ¥31,200,000 (Direct Cost: ¥31,200,000)
Fiscal Year 2003: ¥9,400,000 (Direct Cost: ¥9,400,000)
Keywords金属ガラス / 変形メカニクス / ナノ結晶 / 摩擦攬拌プロセス / 電解析出法 / 高エネルギーX線 / その場観察 / 結合距離 / 変形メカにクス / せん断帯 / 摩擦攪拌プロセス / 第一原理計算 / EXAFS / 過冷却液体 / 超塑性 / 準結晶 / 破壊靱性 / 弾性特異点 / 放射光 / 結合状態 / 伸び値 / アモルファス / 局部変形 / 均一変形
Research Abstract

本研究の目的は,室温から過冷却液体温度域に至る金属ガラスの変形と破壊プロセスのその場観察によるメカニクスの解明であり,班全体の最終的目標は,局所電子・原子の結合論をベースにした金属ガラスの統一的な変形・破壊メカニクスの学理構築である.今年度の主な成果を以下に示す.
1.金属ガラスの摩擦撹拌プロセスによる組織ならびに機械的特性の変化に関する検討を行った.送り速度の変化により,析出するナノ結晶のサイズを制御可能であった.また,金属ガラスに分散したナノ結晶サイズにより,その機械的特性が変化することを実験的に明らかにした.
2.電解析出法によるバルクアモルファス合金の作製法を確立した.本手法により,様々な組成のバルクアモルファス合金,様々なナノ結晶のサイズ,体積率を有する材料の作製が可能となった.
3.金属ガラスの引張り変形に伴う原子配列の変化について高エネルギーX線によりその場観察した.その結果,引張変形に伴い原子間距離は増大するものの,あるひずみ量に達するとその距離は急激に減少し,さらなるひずみ量の増大に伴い増加する傾向を示した.この結果はEXAFS法により得られた結果と一致していた.

Report

(5 results)
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • 2004 Annual Research Report
  • 2003 Annual Research Report
  • Research Products

    (21 results)

All 2007 2006 2005 2004

All Journal Article (15 results) (of which Peer Reviewed: 8 results) Presentation (6 results)

  • [Journal Article] Ni-W Amorphous/Nanocrystalline Duplex Composite Produced by Electrodeposition2007

    • Author(s)
      Y.Kimoto, A.Giga, T.Ohkubo, Y.Takigawa, K.Hono, K.Higashi
    • Journal Title

      Materials Transactions 48

      Pages: 996-1000

    • NAID

      10020136308

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Direct Observation of the Changes in Atomic Arrangement of Cu50Zr50 Metallic Glass during Tensile Deformation by EXAFS2007

    • Author(s)
      T.Nasu, S.Takahashi, I.Ajiki, T.Usuki, Y.Onodera, M.Sakurai, W.Zhang, B.He, W.Zhong, Z.S.Wei, Z.Xie, W.Zhang, A.Inoue
    • Journal Title

      Journal of Alloys and Compounds 434-435

      Pages: 44-47

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Crystallization on High-Temperature Plastic Flow and Ductilityin Pre-Annealed Zr-Al-Ni-Cu Bulk Metallic Glass2007

    • Author(s)
      Y.Takigawa, J.Kobata, H.Tsuda, K.Higashi
    • Journal Title

      Materials Science Forum 558-559

      Pages: 1449-1452

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Nanoscale amorphous "band-like" structure induced by friction stir processing in Zr55Cu30A110Ni5 bulk metallic glass2007

    • Author(s)
      J.Kobata, Y.Takigawa, S.W.Chung, H.Tsuda, H.Kimura, K.Higashi
    • Journal Title

      Materials Letters 61

      Pages: 3771-3773

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Microstructural Change by Friction Stir Processing in Zr-Al-Ni-Cu Bulk Metallic Glass2007

    • Author(s)
      Y.Takigawa, J.Kobata, S.W.Chung, H.Tsuda, K.Higashi
    • Journal Title

      Materials Transactions 48

      Pages: 1580-1583

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effects of Size and Volume Fraction of Precipitated Crystalline Phase by Friction Stir Processing on Hardness in Zr-Al-Ni-Cu Bulk Metallic Glass2007

    • Author(s)
      J.Kobata, Y.Takigawa, S.W.Chung, H.Tsuda, H.Kimura, K.Higashi
    • Journal Title

      Materials Transactions 48

      Pages: 2409-2413

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Microstructure and Mechanical Properties in Friction Stir Processed Zr-AI-Ni-Cu Bulk Metallic Glass2007

    • Author(s)
      J.Kobata, Y.Takigawa, S.W.Chung, H.Tsuda, T.Uesugi, H.Kimura, K.Higashi
    • Journal Title

      Materials Science Forum 561-565

      Pages: 1345-1348

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fabrication of the Bulk Amorphous Ni-W Alloy by an Electroforming Process2007

    • Author(s)
      S.Wakayama, Y.Kimono, Y.Takigawa, T.Uesugi, K.Higashi
    • Journal Title

      Materials Science Forum 561-565

      Pages: 1375-1348

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Study on Atomic Distribution Change during Tensile Deformation of Metallic Glass2007

    • Author(s)
      T.Nasu, T.Usuki, Y.Onodera, M.Sakurai, B.He, W.Zhong, S.Wei, W.Zhang, A.Inoue
    • Journal Title

      Mater. Sci. Forum 539-543

      Pages: 1955-1958

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Localized shear deformation and fracture in a Zr-based bulk metallic glass2007

    • Author(s)
      T.Morikawa, T.Kawada, K.Higashida
    • Journal Title

      Mater. Sci. Forum 539-543

      Pages: 2094-2099

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Demonstration of Inverse Hall-Petch Relationship through Tensile Test in Electrodeposited Nanocrystalline Ni-W Alloy2006

    • Author(s)
      A.Giga, Y.Kimoto, Y.Takigawa, K.Higashi
    • Journal Title

      Scripta Mater 55

      Pages: 143-146

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Deformation Mechanism of Nanocrystalline Al-Fe Alloys by Analysis from Ab-Initio Calculations2006

    • Author(s)
      T.Uesugi, Y.Takigawa, K.Higashi
    • Journal Title

      Mater.Sci.Forum 503-504

      Pages: 209-214

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Effect of Microstructural Change on High-Temperature Deformation in Pre-Annealed Zr_<65>Al_<10>Ni_<10>Cu_<15> Bulk Metallic Glass2005

    • Author(s)
      J.Kobata, H.Tsuda, Y.Takigawa, K.Higashi
    • Journal Title

      Materials Transactions 46・12

      Pages: 2864-2869

    • NAID

      10017150135

    • Related Report
      2005 Annual Research Report
  • [Journal Article] High-Temperature Plastic Flow in Pre-Annealed Zr-Al-Ni-Cu Bulk Metallic Glass in a Supercooled Liquid Region2005

    • Author(s)
      Y.Takigawa, H.Somekawa, K.Higashi
    • Journal Title

      Materials Transactions 46・2

      Pages: 199-202

    • NAID

      10014417118

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Superplastic and Diffusion Bonding Behavior on Zr-Al-Ni-Cu metallic glass in supercooled liquid region2004

    • Author(s)
      H.Somekawa, A.Inoue, K.Higashi
    • Journal Title

      Scripta Materialia 52

      Pages: 1395-1399

    • Related Report
      2004 Annual Research Report
  • [Presentation] パラジウム基固溶体における溶解熱の第一原理計算2007

    • Author(s)
      上杉 徳照, 東 健司
    • Organizer
      第51回日本学術会議材料工学連合講演会
    • Place of Presentation
      京大会館(京都)
    • Year and Date
      2007-11-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Zr基バルク金属ガラスの摩擦攬拌プロセスによる微細組織変化とその機械的特性の評価2007

    • Author(s)
      小畠 淳平, 片山 さやか, 瀧川 順庸, 津田 大, 木村 久道, 東 健司
    • Organizer
      第51回日本学術会議材料工学連合講演会
    • Place of Presentation
      京大会館(京都)
    • Year and Date
      2007-11-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Microstructure and Mechanical Properties in Friction Stir Processed Zr-AL-Ni-Cu Bulk Metallic Glass2007

    • Author(s)
      J.Kobata, Y.Takigawa, S.W.Chung, H.Tsuda, T.Uesugi, H. Kimura, K. Higashi
    • Organizer
      The Sixth Pacific Rim International Conference on Advanced Materials and Processing
    • Place of Presentation
      済州(韓国)
    • Year and Date
      2007-11-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] Fabrication of the Bulk Amorphous Ni-W Alloy by an Electroforming Pocess2007

    • Author(s)
      S.Wakayama, Y.Kimono, Y.Takigawa, T.Uesugi, K.Higashi
    • Organizer
      The Sixth Pacific Rim International Conference on Advanced Materials and Processing
    • Place of Presentation
      済州(韓国)
    • Year and Date
      2007-11-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] Effect of Crystallization on High-Temperatiire Plastic Flow and Ductility in Pre-Annealed Zr-Al-Ni-Cu Bulk Metallic Glass2007

    • Author(s)
      Y.Takigawa, J.Kobata, H.Tsuda, K.Higashi
    • Organizer
      The 3rd International Conference on Recrystalliza tion and Grain Growth
    • Place of Presentation
      済州(韓国)
    • Year and Date
      2007-06-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] Zr基金属ガラスの摩擦撹拌プロセスによる微細組織変化およびその機械的性質2007

    • Author(s)
      小畠 淳平, 瀧川 順庸, 津田 大, 木村 久道, 東 健司
    • Organizer
      粉体粉末冶金協会平成19年度春季大会(第99回講演大会)
    • Place of Presentation
      早稲田大学(東京)
    • Year and Date
      2007-06-05
    • Related Report
      2007 Annual Research Report

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Published: 2003-04-01   Modified: 2018-03-28  

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