銀-カドミウム系合金α固溶体の非弾性的研究

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タイトル別名
  • Anelastic Study of the α Solid-Solution Alloy in Silver-Cadmium System
  • ギン-カドミウムケイ ゴウキン アルファ コヨウタイ ノ ヒダンセイテキ ケンキュウ
  • Anelastic Study of the α Solid-Solution Alloy in Silver-Cadmium System

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抄録

The anelastic relaxation in silver-cadmium (30 at% cadmium) alloy with a face-centered cubic structure was measured by means of a torsion pendulum in the temperature range from about 20°C to 350°C. It was found that the time of relaxation in this case changes exponentially with the reciprocal absolute temperature. The activation energy in this case was determined to be 39300±890 cal/mol; this value is smaller by 6700 cal/mol than the activation energy obtained by chemical diffusion method by means of radioactive isotopes for the same alloy. Such a difference is attributable to the differrent diffusion mechanism in the chemical as well as anelastic diffusion phenomena: In the former case the atomic diffusion is probably caused by preferential reorientation of atomic pairs in the crystal lattice, and in the latter case by the vacancy diffusion mechanism.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (11), 653-654, 1959

    公益社団法人 日本金属学会

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