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Development of Single Shear Test for Metal Powder Compact

Research Project

Project/Area Number 24760111
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Production engineering/Processing studies
Research InstitutionNara National College of Technology

Principal Investigator

TANIGUCHI Yukinori  奈良工業高等専門学校, その他部局等, 准教授 (10413816)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords粉末冶金 / 粉末成形 / 一面せん断試験 / 個別要素法 / 破壊包絡線 / 圧密挙動 / 破壊 / せん断強度 / ダイレイタンシー
Outline of Final Research Achievements

In the metal powder compaction process using closed-die system, which applies to mass production for various PM parts, failure of green compact such as slip-crack often occurs especially for compaction of multi-step part. It is considered that the slip-crack appears in the boundary of high density part and low density part as shear failure plane. Therefore, investigation of shear property in a powder layer on compression-shear plane will provide critical stress state for crack occurrence. We have developed single shear tester for metal powder to investigate stress state in shear failure occurrence. Critical stress state in several compact densities has been estimated in constant volume shearing. Critical State in shear failure with density increasing has been estimated experimentally, and angle of friction increases with particle size increasing. Numerical simulation of single shear test by using distinct element method solver has been conducted to discuss shear failure properties.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (14 results)

All 2014 2013 Other

All Journal Article (1 results) Presentation (13 results)

  • [Journal Article] 粉末冶金法によるものづくり体験講座の実施2013

    • Author(s)
      谷口幸典
    • Journal Title

      奈良工業高等専門学校研究紀要第48号(2013)

      Volume: 48 Pages: 1-6

    • Related Report
      2012 Research-status Report
  • [Presentation] 鉄粉末を媒介したTi箔の絞り加工による微細粉末カプセルの作成2014

    • Author(s)
      谷口幸典
    • Organizer
      一般社団法人日本塑性加工学会 平成26年度塑性加工春季講演会
    • Place of Presentation
      つくば国際会議場
    • Year and Date
      2014-06-06 – 2014-06-08
    • Related Report
      2014 Annual Research Report
  • [Presentation] Capsulation Process of Fe Powder Particlesby Indent-Extrusion of a Multi Layered Blank forHyperthermia Cancer Care2014

    • Author(s)
      Yukinori Taniguchi, Kenji Kodama, Tatsumi Ichise,Yasuhiro Miki, Manabu Fukugauchi, Makoto Asano, Nobuyoshi Hosoito, Hiroki Kuniyasu
    • Organizer
      The 9th International Conference on MicroManufacturing (ICOMM 2014)
    • Place of Presentation
      シンガポール,ナンヤン大学
    • Related Report
      2013 Research-status Report
  • [Presentation] 多孔質な純銅素材を素材とした円形パンチ押込みによる微小ビレット成形2013

    • Author(s)
      谷口幸典, 城内建人, 堤浩晃, 尾崎充紀, 島田大嗣
    • Organizer
      塑性加工春季講演会講演論文集
    • Place of Presentation
      大同工業大学
    • Related Report
      2013 Research-status Report
  • [Presentation] Small Billet Forming of Porous Sintered Copper Sheet2013

    • Author(s)
      Yukinori Taniguchi, Hirotsugu Shimada, Mitsunori Ozaki and Kenji Kodama
    • Organizer
      Proceedings of The 4th TSME International Conference on Mechanical Engineering
    • Place of Presentation
      タイ王国,パタヤ,デュシタニホテル
    • Related Report
      2013 Research-status Report
  • [Presentation] 定圧一面せん断試験による鉄粉末のせん断破壊挙動の実測2013

    • Author(s)
      谷口幸典
    • Organizer
      塑性加工連合講演会講演論文集 64th
    • Place of Presentation
      大阪大学
    • Related Report
      2013 Research-status Report
  • [Presentation] 金属粉末用一面せん断試験法の開発(第一報:試験機の試作)

    • Author(s)
      扇田 大生,谷口 幸典
    • Organizer
      日本機械学会 関西学生会平成25年度学生員卒業研究発表講演会
    • Place of Presentation
      大阪府立大学中百舌鳥キャンパス
    • Related Report
      2013 Research-status Report
  • [Presentation] 金属粉末用一面せん断試験法の開発 (第二報:せん断挙動の考察)

    • Author(s)
      三谷 涼太郎,谷口 幸典
    • Organizer
      日本機械学会 関西学生会平成25年度学生員卒業研究発表講演会
    • Place of Presentation
      大阪府立大学中百舌鳥キャンパス
    • Related Report
      2013 Research-status Report
  • [Presentation] Die Wall Lubrication Behaviour of Internal Lubricant Powders in Uniaxial Iron Powder Compaction with DLC Coated Die

    • Author(s)
      Y. Taniguchi
    • Organizer
      Proceedings of Powder Metallurgy World Congress(PM2012)
    • Place of Presentation
      パシフィコ横浜
    • Related Report
      2012 Research-status Report
  • [Presentation] Relationship between coercive force and residual stress in mechanically alloyed nanocrystalline Al-Fe powder

    • Author(s)
      K. Kodama
    • Organizer
      Powder Metallurgy World Congress(PM2012)
    • Place of Presentation
      パシフィコ横浜
    • Related Report
      2012 Research-status Report
  • [Presentation] 粉末焼結体の圧縮試験とその数値解析の基礎的検討

    • Author(s)
      谷口幸典
    • Organizer
      日本塑性加工学会西日本若手技術交流会
    • Place of Presentation
      今治国際ホテル
    • Related Report
      2012 Research-status Report
  • [Presentation] 簡易粉末成形-焼結法による粉末冶金法の体験教材化とワークショップの実施

    • Author(s)
      谷口幸典
    • Organizer
      粉体粉末冶金協会平成24年度秋季大会(第110回講演大会)
    • Place of Presentation
      立命館大学びわこキャンパス
    • Related Report
      2012 Research-status Report
  • [Presentation] Suggestion of Simplified Powder Metallurgy Method for Engineering Education

    • Author(s)
      Y. Taniguchi
    • Organizer
      Proceedings of International Symposium on Advances in Technology Education(ISATE2012)
    • Place of Presentation
      北九州国際会議場
    • Related Report
      2012 Research-status Report
  • [Presentation] 純銅焼結体を素材とした微小ビレット成形に関する基礎的研究

    • Author(s)
      城内 建人
    • Organizer
      日本機械学会関西支部第88期定時総会講演会
    • Place of Presentation
      大阪工業大学大宮キャンパス
    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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