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Fabrication of Ni-W Bulk Nanocrystalline Materials

Research Project

Project/Area Number 19560735
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Material processing/treatments
Research InstitutionOsaka Prefecture University

Principal Investigator

TAKIGAWA Yorinobu  Osaka Prefecture University, 大学院・工学研究科, 准教授 (70382231)

Co-Investigator(Kenkyū-buntansha) HIGASHI Kenji  大阪府立大学, 大学院・工学研究科, 教授 (50173133)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
KeywordsNi-W合金 / バルクナノ結晶材料 / 電解析出法 / 均質化 / 電流密度最適化 / 浴組成最適化 / 粒界アモルファス相 / 粒界偏析 / 第一原理計算 / 粒界エネルギー / 偏析エネルギー
Research Abstract

電解析出法により、(1)結晶粒径50nm以下、(2)粒界アモルファス相を含まない、(3)厚み2mm以上、(4)マクロポアの最少化を実現したNi-Wバルクナノ結晶材料の創製を試みた。電流密度、浴組成等を最適化することにより目標値を達成するとともに、硬度のばらつきが1%以下である非常に均質な材料創製に成功した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (10 results)

All 2008 2007

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (6 results)

  • [Journal Article] Novel Electroforming Process of Bulk Nanocrystalline Ni-W Alloys with Minimized W-concentration Gradient and Fluctuation2007

    • Author(s)
      Y. Kimoto, S. Wakayama, A. Fujii, Y. Takigawa and K. Higashi
    • Journal Title

      Mater. Trans. 48[6]

      Pages: 1483-1491

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Fabrication of Homogeneous Bulk Nanocrystalline Ni-W Alloys be an Electroforming Process2007

    • Author(s)
      A. Fujii, Y. Kimoto, S. Wakayama, Y. Takigawa, T. Uesugi and K. Higashi
    • Journal Title

      Advanced Materials Research 26-28

      Pages: 691-694

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Novel Electroforming Process of Bulk Nanocrystalline Ni-W Alloys with Minimized W-concentration Gradient and Fluctuation2007

    • Author(s)
      Y.Kimoto, S.Wakayama, A.Fujii, Y.Takigawa, K.Higashi
    • Journal Title

      Materials Transactions 48

      Pages: 1483-1491

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fabrication of Homogeneous Bulk Nanocrystalline Ni-W Alloys be an Electroforming Process2007

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

      Advanced Materials Research 26-28

      Pages: 691-694

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 均質バルクナノ結晶Ni-W合金の作製とその機械的特性2008

    • Author(s)
      藤井珠里, 瀧川順庸, 上杉徳照, 東健司
    • Organizer
      日本金属学会関西支部材料開発研究会
    • Place of Presentation
      堺
    • Year and Date
      2008-12-17
    • Related Report
      2008 Final Research Report
  • [Presentation] 均質バルクナノ結晶Ni-W合金の作製とその機械的特性2008

    • Author(s)
      藤井珠里, 瀧川順庸, 上杉徳照, 東健司
    • Organizer
      日本金属学会関西支部 材料開発研究会
    • Place of Presentation
      大阪
    • Year and Date
      2008-12-17
    • Related Report
      2008 Annual Research Report
  • [Presentation] Fabrication of Homogeneous Bulk Nanocrystalline Ni-W Alloys and their Mechanical Properties2008

    • Author(s)
      A. Fujii, Y. Takigawa,, T. Uesugi and K. Higashi
    • Organizer
      4th International Symposium on Designing, Processing and Properties of Advanced Engineering Materials(ISAEM2008)
    • Place of Presentation
      名古屋
    • Year and Date
      2008-11-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Fabrication of Homogeneous Bulk Nanocrystalline Ni-W Alloys and their Mechanical Properties2008

    • Author(s)
      A. Fujii, Y. Takigawa, T. Uesugi, K. Higashi
    • Organizer
      4th International Symposium on Designing, Processing and Properties of Advanced Engineering Materials (ISAEM2008)
    • Place of Presentation
      名古屋
    • Year and Date
      2008-11-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] 電解析出法における均質バルクナノ結晶Ni-W合金の作製2008

    • Author(s)
      藤井珠里, 瀧川順庸, 上杉徳照, 東健司
    • Organizer
      表面技術協会第118回講演大会
    • Place of Presentation
      大阪
    • Year and Date
      2008-09-01
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Fabrication of Homogeneous Bulk Nanocrystalline Ni-W Alloys be an Electroforming Process2007

    • Author(s)
      A. Fujii, Y. Kimoto, S. Wakayama, 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
      2008 Final Research Report 2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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