Al–4.5%Cu合金の固液共存域での応力―ひずみ線図

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タイトル別名
  • Stress–strain curves of Al–4.5 mass%Cu alloy in semi-solid state
  • Al-4.5%Cu ゴウキン ノ コエキ キョウゾンイキ デ ノ オウリョク-ヒズミ センズ
  • Stress^|^ndash;strain curves of Al^|^ndash;4.5 mass%Cu alloy in semi-solid state

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説明

The stress–strain curves in semi-solid state of Al–4.5 mass%Cu alloy, whose deformation behaviors had classified into six stages in previous study, were investigated in this study. The mechanical properties, such as elastic modulus, derived from stress–strain curves are necessary to estimate the hot tearing by CAE. Shapes of stress–strain curves in semi-solid state changed with temperature as same as deformation behaviors. Elastic modulus calculated from stress–strain curves were smaller than that calculated by general commercial software. This difference of elastic modulus was about three fingers in Pa. This difference would be caused by the melting of grain boundary and the disappearance of contact between solid phases. Elastic modulus obtained by the stress–strain curve should be more appropriate for CAE than the value calculated by commercial software.

収録刊行物

  • 軽金属

    軽金属 63 (6), 229-233, 2013

    一般社団法人 軽金属学会

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