Tensile properties of Al-Si-Cu die-casting alloy in the partial solidification state

Keita Shinji, Hiroki Takahashi, Yuichi Motoyama, Makoto Yoshida

研究成果: Article査読

3 被引用数 (Scopus)

抄録

True stress-true strain curve of JIS AD12.1 (A383.0) alloy was obtained by tensile test in the partial solidification state for predicting residual stress and distortion of aluminum castings. It was found that tensile strength in true stress-true strain curves decreased with increasing temperature and decreasing strain rate. In addition, most of true stress-true strain curves showed constant stress with increasing strain. Thus, the constitutive equation taking account of strain-rate-dependence and stress saturation in the partial solidification state should be used in the thermal-stress analysis during solidification. Material constants of Norton creep law of JIS AD12.1 alloy in the partial solidification state were successfully obtained for the first time in the world.

本文言語English
ページ(範囲)253-259
ページ数7
ジャーナルKeikinzoku/Journal of Japan Institute of Light Metals
63
7
DOI
出版ステータスPublished - 2013 10 7

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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