5083合金の液体ガリウムによるぜい化

書誌事項

タイトル別名
  • Embrittlement of 5083 alloy by liquid gallium.
  • 5083 ゴウキン ノ エキタイ ガリウム ニ ヨル ゼイカ

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抄録

The effect of grain boundary precipitates on the embrittlement of 5083 alloy solutionized, aged at 150°C for various periods and coated with liquid Ga was investigated by means of tensile test and microscopy. Ga coated 5083 alloy fractures along grain boundaries. The shorter the aging time, the lower the fracture stress of Ga coated alloy, though ultimate tensile strength of the alloy uncoated. is independent of the aging time. When the alloy was held at 35°C for various periods after Ga coating, the fracture stress becomes to be zero after a critical holding period tf. A relation between fracture stress σf and holding time t is expressed as σff0-k•t1/2, where σf0 and k are constants.

収録刊行物

  • 軽金属

    軽金属 35 (10), 568-573, 1985

    一般社団法人 軽金属学会

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