Au-Cu-Ag系合金の時効硬化機構

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タイトル別名
  • Mechanism of Age-Hardening of Au-Cu-Ag Alloys
  • Au-Cu-Agケイ ゴウキン ノ ジコウ コウカ キコウ

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抄録

We studied, by X-ray diffraction. the crystal structure of commercial Au-Cu-Ag alloys and the specimens electroplated with Au-Cu-Ag alloys (Table 1). aged at various temperatures in vacuum (10−4 mmHg) for 1 hr after solution treatment of the former and just after electroplating of the latter, and also measured the hardness of them by micro-Vickers hardness tester. In these experiments, there were tendencies that the maximum hardness of these aged alloys acquiring an ordered state were obtained at the aging temperature just under the ordering temperature ranges, while the alloys not proved to become ordered by such heat treatment had the maximum hardness before attractive increase of the precipitated phase. Thence it was inferred that the age-hardenability of these alloys was probably related to the ordering of these alloys in conjunction with the precipitation of new phase from the homogeneous solid solution (matrix).

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 24 (8), 511-514, 1960

    公益社団法人 日本金属学会

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