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Role of Deformation twinning on the deformation and fracture of magnesium alloys

Research Project

Project/Area Number 18360325
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Structural/Functional materials
Research InstitutionTohoku University

Principal Investigator

KOIKE Junichi  Tohoku University, 大学院・工学研究科, 教授 (10261588)

Co-Investigator(Kenkyū-buntansha) NEISHI Koji  東北大学, 大学院・工学研究科, 助教 (00404020)
山崎 仁丈  東北大学, 大学院工学研究科, 助手 (30292246)
Co-Investigator(Renkei-kenkyūsha) YAMAZAKI Yoshihiro  カリフォルニア工科大学, 大学院・工学研究科, 博士研究員
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥17,820,000 (Direct Cost: ¥15,000,000、Indirect Cost: ¥2,820,000)
Fiscal Year 2008: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2007: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2006: ¥5,600,000 (Direct Cost: ¥5,600,000)
Keywordsマグネシウム / 変形 / 双晶 / 破壊 / 転位すべり
Research Abstract

圧延したマグネシウム合金の室温引張変形中に形成される変形双晶において、変形初期に形成される{10-12}双晶、ならびに変形後期に形成される{10-11}双晶、{10-13}-{10-12}二重双晶は、顕著な表面起伏を伴わない。また、{10-11}-{10-12}二重双晶も一次・二次双晶のせん断面が異なる場合は顕著な表面起伏を伴わない。一方で、せん断面が同じ{10-11}-{10-12}二重双晶だけが局所的大変形を生じて顕著な表面起伏を伴い、破壊起点になることが明らかになった。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (45 results)

All 2009 2008 2007

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (37 results)

  • [Journal Article] マグネシウム合金の室温変形機構-変形双晶に注目して-2009

    • Author(s)
      小池淳一
    • Journal Title

      軽金属学会誌 (印刷中)

    • NAID

      10026208986

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Microstructural investigation of twins under the fracture surface in AZ31 magnesium alloys2009

    • Author(s)
      安藤大輔、小池淳一
    • Journal Title

      Magnesium Technology 2009 (印刷中)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Microstructural investigation of twins under the fracture surface in AZ31 Magnesium alloys2009

    • Author(s)
      安藤大輔、小池淳一
    • Journal Title

      Magnesium Technology 2009 (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] マグネシウム合金の室温変形機構-変形双晶に注目して-2009

    • Author(s)
      小池淳一
    • Journal Title

      軽金属学会誌 59(印刷中)

    • NAID

      10026208986

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Origin of anomalous {1012} twinning during tensile deformation of Mgalloy sheet2008

    • Author(s)
      小池淳一、佐藤優典、安藤大輔
    • Journal Title

      Materials Transaction 49

      Pages: 2792-2800

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Origin of anomalous {1012} twinning during tensile deformation of Mg alloy sheet2008

    • Author(s)
      小池淳一、佐藤優典、安藤大輔
    • Journal Title

      Materials Transaction 49

      Pages: 2792-2800

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] AZ31マグネシウム合金における変形誘起表面起伏と二重双晶の関係2007

    • Author(s)
      安藤大輔、小池淳一
    • Journal Title

      日本金属学会誌 71

      Pages: 684-687

    • NAID

      10019854620

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] AZ31マグネシウム合金における変形有機表面起伏と二重双晶の関係2007

    • Author(s)
      安藤大輔
    • Journal Title

      日本金属学会誌 71

      Pages: 684-687

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] AZ31マグネシウム合金における二重双晶によるクラック形成過程の観察2009

    • Author(s)
      安藤大輔、小池淳一
    • Organizer
      日本金属学会2009年春期大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] AZ31マグネシウム合金における二重双晶によるクラック形成過程の観察2009

    • Author(s)
      安藤大輔、小池淳一
    • Organizer
      日本金属学会2009年春期(第144回)大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] 変形双晶と機械的信頼性2009

    • Author(s)
      小池淳一
    • Organizer
      日本金属瓦解2009年春期大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 変形双晶と機械的信頼性(基調講演)2009

    • Author(s)
      小池淳一
    • Organizer
      日本金属学会2009年春期(第144回)大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] Microstructural investigation of twins under the fracture surface in AZ31 magnesium allos2009

    • Author(s)
      安藤大輔、小池淳一
    • Organizer
      TMS 2009 Annual Meeting
    • Place of Presentation
      San Francisco
    • Year and Date
      2009-02-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Microstructural investigation of twins under the fracture surface in AZ31 Magnesium alloys2009

    • Author(s)
      安藤大輔、小池淳一
    • Organizer
      TMS 2009 Annual Meeting
    • Place of Presentation
      サンフランシスコ、アメリカ
    • Year and Date
      2009-02-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] マグネシウム合金における変形双晶の重要性2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      軽金属学会秋期大会
    • Place of Presentation
      東京(基調講演)
    • Year and Date
      2008-11-16
    • Related Report
      2008 Final Research Report
  • [Presentation] マグネシウム合金における破壊基点となる双晶タイプ2008

    • Author(s)
      安藤大輔、須藤祐司、安藤大輔、小池淳一
    • Organizer
      軽金属学会秋期大会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-16
    • Related Report
      2008 Final Research Report
  • [Presentation] マグネシウム合金における変形双晶の重要性(基調講演)2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      軽金属学会第115回秋期大会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-16
    • Related Report
      2008 Annual Research Report
  • [Presentation] マグネシウム合金における破壊起点となる双晶タイプ2008

    • Author(s)
      安藤大輔、須藤祐司、小池淳一
    • Organizer
      軽金属学会第115回秋期大会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-16
    • Related Report
      2008 Annual Research Report
  • [Presentation] Strain accommodation twins and failure initiation twins in magnesium alloys2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      MagNET Workshop
    • Place of Presentation
      Vancouver,Canada(招待講演)
    • Year and Date
      2008-11-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Strain accommodation twins and failure initiation twins in magnesium alloys(招待講演)2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      MagNET Workshop
    • Place of Presentation
      バンクーバー、カナダ
    • Year and Date
      2008-11-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] 微小ひずみ領域におけるAZ31マグネシウム合金の変形挙動2008

    • Author(s)
      藤山直人、安藤大輔、須藤祐司、小池淳一
    • Organizer
      日本金属学会2008年秋期大会
    • Place of Presentation
      熊本
    • Year and Date
      2008-09-25
    • Related Report
      2008 Final Research Report
  • [Presentation]2008

    • Author(s)
      安藤大輔、藤山直人、須藤祐司、小池淳一
    • Organizer
      日本金属学会2008年秋期大会
    • Place of Presentation
      熊本
    • Year and Date
      2008-09-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 微小ひずみ領域におけるAZ31マグネシウム合金の変形挙動2008

    • Author(s)
      藤山直人、安藤大輔、須藤祐司、小池淳一
    • Organizer
      日本金属学会2008年秋期(第143回)大会
    • Place of Presentation
      熊本
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] {1011}-{1012}双晶のシュミット因子と表面起伏の関係2008

    • Author(s)
      安藤大輔、藤山直人、須藤祐司、小池淳一
    • Organizer
      日本金属学会2008年秋期(第143回)大会
    • Place of Presentation
      熊本
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] Formation mechanisms of {1012} twins in Mg alloys during a-axis tension2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      Materials Science and Engineering Conference
    • Place of Presentation
      Nurnberg,Germany
    • Year and Date
      2008-09-02
    • Related Report
      2008 Final Research Report
  • [Presentation] Formation mechanisms of{1012}twins in Mg alloys during a-axis tension2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      Materials Science and Engineering Conference
    • Place of Presentation
      ニュルンベルグ、ドイツ
    • Year and Date
      2008-09-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] Deformation mechanisms of Mg alloys at ambient temperature2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      NIMS Week
    • Place of Presentation
      Tsukuba(招待講演)
    • Year and Date
      2008-07-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Deformation mechanisms of Mg alloys at ambient temperature(招待講演)2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      NIMS Week
    • Place of Presentation
      つくば
    • Year and Date
      2008-07-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] Deformation twinning for stress accommodation and failure initiation in Mg alloys2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      International Materials Research Congress
    • Place of Presentation
      重慶、中国
    • Year and Date
      2008-06-09
    • Related Report
      2008 Final Research Report
  • [Presentation] Deformation twinning for stress accolnmodation and failure initiation in Mg alloys(招待講演)2008

    • Author(s)
      小池淳一、安藤大輔
    • Organizer
      International Materials Research Congress
    • Place of Presentation
      重慶、中国
    • Year and Date
      2008-06-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] AZ31マグネシウム合金の破断面の組織学的形態と内部双晶タイプの関係2008

    • Author(s)
      安藤大輔、小池淳一
    • Organizer
      日本金属学会2008年春期大会
    • Place of Presentation
      東京
    • Year and Date
      2008-03-27
    • Related Report
      2008 Final Research Report
  • [Presentation] AZ31マグネシウム合金の破断面の組織学的形態と内部双晶タイプの関係2008

    • Author(s)
      安藤大輔
    • Organizer
      日本金属学会春季(第142回)大会
    • Place of Presentation
      (東京)武蔵工業大学
    • Year and Date
      2008-03-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] 軽金属構造材料の応用の可能性とその実際2008

    • Author(s)
      小池淳一
    • Organizer
      マグネシウム合金の変形における双晶の役割、軽金属学会東北支部シンポジウム
    • Place of Presentation
      仙台(招待講演)
    • Year and Date
      2008-02-08
    • Related Report
      2008 Final Research Report
  • [Presentation] Deformation and Fracture mechanisms of magnesium alloys2007

    • Author(s)
      小池淳一
    • Organizer
      Asian Forum on Light Metals & Exhibition
    • Place of Presentation
      高雄、台湾(招待講演)
    • Year and Date
      2007-12-05
    • Related Report
      2008 Final Research Report
  • [Presentation] AZ31マグネシウム合金における変形双晶形成に及ぼす結晶粒径の影響2007

    • Author(s)
      安藤大輔、小池淳一
    • Organizer
      軽金属学会秋期大会
    • Place of Presentation
      千葉
    • Year and Date
      2007-11-10
    • Related Report
      2008 Final Research Report
  • [Presentation] AZ31マグネシウム合金における変形双晶形成に及ぼす結晶粒径の影響2007

    • Author(s)
      安藤大輔
    • Organizer
      軽金属学会秋季(第113回)大会
    • Place of Presentation
      千葉大学
    • Year and Date
      2007-11-10
    • Related Report
      2007 Annual Research Report
  • [Presentation] Role of twinning on deformation mechanisms of Mg alloys2007

    • Author(s)
      小池淳一、安藤大輔、佐藤優典、宮村剛夫
    • Organizer
      The 2nd Asian Symposium on Magnesium Alloys
    • Place of Presentation
      福岡(招待講演)
    • Year and Date
      2007-10-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Relation between deformation-induced surface relief and double twinning in AZ31 Mg alloy sheets2007

    • Author(s)
      安藤大輔、小池淳一
    • Organizer
      The 2nd Asian Symposium on Magnesium Alloys
    • Place of Presentation
      福岡
    • Year and Date
      2007-10-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Relation between deformation-induced surface relief and double twinning in AZ31 Mg alloy sheets2007

    • Author(s)
      安藤大輔
    • Organizer
      The 2nd Asian Symposium on Magnesium Alloys
    • Place of Presentation
      福岡国際会議場
    • Year and Date
      2007-10-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] AZ31マグネシウム合金における結晶粒径と変形・破壊挙動の関係2007

    • Author(s)
      安藤大輔、小池淳一
    • Organizer
      日本金属学会2007年秋期大会
    • Place of Presentation
      岐阜
    • Year and Date
      2007-09-20
    • Related Report
      2008 Final Research Report
  • [Presentation] マグネシウム合金の転位すべり・変形双晶に着目した変形機構の粒径依存性2007

    • Author(s)
      小池淳一、安藤大輔、佐藤優典
    • Organizer
      日本金属学会2007年秋期大会
    • Place of Presentation
      岐阜
    • Year and Date
      2007-09-20
    • Related Report
      2008 Final Research Report
  • [Presentation] AZ31マグネシウム合金における結晶粒径と変形・破壊挙動の関係2007

    • Author(s)
      安藤大輔
    • Organizer
      日本金属学会秋季(第141回)大会
    • Place of Presentation
      岐阜大学
    • Year and Date
      2007-09-20
    • Related Report
      2007 Annual Research Report
  • [Presentation] Mg合金の塑性変形異方性と変形・破壊機構の特徴2007

    • Author(s)
      小池淳一
    • Organizer
      鉄鋼協会自主フォーラム
    • Place of Presentation
      豊橋(招待講演)
    • Year and Date
      2007-08-22
    • Related Report
      2008 Final Research Report
  • [Presentation] Role of twinning on fracture in Mg alloys2007

    • Author(s)
      小池淳一、安藤大輔、宮村剛夫
    • Organizer
      Workshop on Advanced Magnesium Alloys and Their Applications
    • Place of Presentation
      上海、中国(招待講演)
    • Year and Date
      2007-08-02
    • Related Report
      2008 Final Research Report
  • [Presentation] Mg合金の変形と破壊の微視的機構2007

    • Author(s)
      小池淳一
    • Organizer
      第17回高性能Mg合金創成加工研究会
    • Place of Presentation
      熊本
    • Year and Date
      2007-07-20
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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