純せん断試験による Mg 単結晶の非底面すべり挙動評価法確立と Y 添加の影響

書誌事項

タイトル別名
  • Pure-Shear Test for Investigation of Non-Basal Slip System Operation of Mg Alloy Single Crystal with and without Y
  • ジュンセンダンシケン ニ ヨル Mgタンケッショウ ノ ヒテイメンスベリ キョドウ ヒョウカホウ カクリツ ト Y テンカ ノ エイキョウ

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抄録

  In Mg alloys, the most favorable deformation mechanism is the basal slip, and extension twinning also contributes to plastic deformation. Other mechanisms such as prismatic slips, pyramidal slips and twinning except for extension twinning scarcely occur. However, these slip systems also contribute to the plastic deformation of poly crystal Mg alloys, so the determination of CRSS of such non-basal slip systems are inevitable as a basis for the prediction of the deformation behavior of poly-crystal Mg alloys. Because of the difficulty of the evaluation of CRSS for non-basal slip by conventional compression test, newly designed “Pure shear test” is applied to evaluate the CRSS of the prismatic slip Mg alloy single crystals containing Y. Also a modification of Bridgman method using LiF+LiCl is attempted to obtain a pure-Mg single crystal.<br>

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 77 (10), 466-472, 2013

    公益社団法人 日本金属学会

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