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Establishment of Ductile Fracture Criterion for Development of Precision Forging Process of Magnesium Alloys

Research Project

Project/Area Number 20760084
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Production engineering/Processing studies
Research InstitutionOsaka University

Principal Investigator

MATSUMOTO Ryo  Osaka University, 大学院・基礎工学研究科, 助教 (50362645)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords成形加工 / 塑性加工 / 鍛造 / マグネシウム合金 / プレス / 割れ / 塑性力学 / 変形抵抗 / 有限要素解析 / サーボプレス
Research Abstract

In order to practice precision forging process of magnesium alloys in industry, occurrence of fracture of Mg alloys in forging were investigated. A ductile fracture criterion for Mg alloys in forging was suggested from the obtained results of some forging tests of Mg alloys. The proposed criterion was confirmed to be predicted the occurrence of fracture of Mg alloys accurately in some forging tests, compared with the conventional ductile fracture criteria. The influence of the ram motion on the occurrence of fracture of Mg alloys in forging was investigated on a servo press with controlled ram motion. The deceleration ram motion was effective ram motion for the ductility improvement of Mg alloys.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (14 results)

All 2009 2008

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (12 results)

  • [Journal Article] 市販AZ31Bマグネシウム合金の冷間鍛造2009

    • Author(s)
      松本良
    • Journal Title

      塑性と加工 50巻

      Pages: 914-918

    • NAID

      10025410046

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 市販AZ31Bマグネシウム合金の冷間鍛造2009

    • Author(s)
      松本良
    • Journal Title

      塑性と加工 50

      Pages: 914-918

    • NAID

      10025410046

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] Ductility Enhancement of AZ31B Magnesium Alloy in Warm Forging with Controlled Forging Speed on Servo Press2009

    • Author(s)
      R. Matsumoto
    • Organizer
      4th Pan-Yellow Sea Rim International Symposium on Magnesium Alloys
    • Place of Presentation
      熊本大学(熊本県)
    • Year and Date
      2009-11-13
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] サーボプレス温間鍛造におけるプレススライドモーションとマグネシウム合金の鍛造限界2009

    • Author(s)
      松本良
    • Organizer
      日本機械学会第17回機械材料・材料加工技術講演会(M&P2009)
    • Place of Presentation
      富山国際会議場(富山県)
    • Year and Date
      2009-11-06
    • Related Report
      2009 Final Research Report
  • [Presentation] サーボプレス温間鍛造におけるプレススライドモーションとマグネシウム合金の鍛造限界2009

    • Author(s)
      松本良
    • Organizer
      日本機械学会第17回機械材料・材料加工技術講演会
    • Place of Presentation
      富山国際会議場(富山県)
    • Year and Date
      2009-11-06
    • Related Report
      2009 Annual Research Report
  • [Presentation] Forming Limit of Magnesium Alloy in Warm Forging using CNC Servo Press with Controlled Forming Speed2009

    • Author(s)
      R. Matsumoto, Y. Togase, K. Osakada
    • Organizer
      8th International Conference on Magnesium Alloys and their Applications
    • Place of Presentation
      ワイマール(ドイツ)
    • Year and Date
      2009-10-27
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] Some Methods for Improving Forgeability of Commercial AZ31B Magnesium Alloy in Cold Forging2009

    • Author(s)
      R. Matsumoto
    • Organizer
      3rd Asian Symposium on Magnesium Alloys
    • Place of Presentation
      瀋陽(中華人民共和国)
    • Year and Date
      2009-09-23
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] マグネシウム合金の温間鍛造(第8報プレススライドモーションと変形能に関する考察)2009

    • Author(s)
      松本良, 小坂田宏造
    • Organizer
      平成21年度塑性加工春季講演会
    • Place of Presentation
      京都大学(京都府)
    • Year and Date
      2009-05-30
    • Related Report
      2009 Final Research Report
  • [Presentation] マグネシウム合金の温間鍛造(第8報 プレススライドモーションと変形能に関する考察)2009

    • Author(s)
      松本良
    • Organizer
      平成21年度塑性加工春季講演会
    • Place of Presentation
      京都大学(京都府)
    • Year and Date
      2009-05-30
    • Related Report
      2009 Annual Research Report
  • [Presentation] Forging Limit Improvement of Commercial Magnesium Alloys by Heat Treatment2008

    • Author(s)
      R. Matsumoto, K. Osakada
    • Organizer
      9th International Conference on Technology of Plasticity
    • Place of Presentation
      慶州(大韓民国)
    • Year and Date
      2008-09-11
    • Related Report
      2009 Final Research Report 2008 Annual Research Report
  • [Presentation] AZ31マグネシウム合金鋳造材の多段鍛造2008

    • Author(s)
      松本良
    • Organizer
      平成20年度塑性加工春季講演会
    • Place of Presentation
      日本大学(千葉県)
    • Year and Date
      2008-05-25
    • Related Report
      2009 Final Research Report
  • [Presentation] マグネシウム合金の冷間鍛造(第4報背圧付加鍛造における割れ発生予測)2008

    • Author(s)
      松本良, 小坂田宏造
    • Organizer
      平成20年度塑性加工春季講演会
    • Place of Presentation
      日本大学(千葉県)
    • Year and Date
      2008-05-25
    • Related Report
      2009 Final Research Report
  • [Presentation] AZ31マグネシウム合金鋳造材の多段鍛造2008

    • Author(s)
      松本良
    • Organizer
      平成20年度塑性加工春季講演会
    • Place of Presentation
      習志野市
    • Year and Date
      2008-05-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] マグネシウム合金の冷間鍛造(第4報背圧付加鍛造における割れ発生予測)2008

    • Author(s)
      松本良
    • Organizer
      平成20年度塑性加工春季講演会
    • Place of Presentation
      習志野市
    • Year and Date
      2008-05-25
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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