Effects of Au/Cu ratio and gallium content on the low-temperature age-hardening in Au-Cu-Ga alloys

R. Ouchida, T. Shiraishi, M. Nakagawa, M. Ohta

研究成果: ジャーナルへの寄稿学術誌査読

11 被引用数 (Scopus)

抄録

The effects of Au/Cu ratio and gallium content on the low-temperature age-hardening were examined in Au-Cu binary and Au-Cu-Ga ternary alloys by hardness testing, X-ray diffraction and differential thermal analysis. In alloys in which the Au/Cu ratios greatly deviated from the equiatomic one, age-hardenability at 37 °C significantly decreased. Gallium addition lowered the liquidus temperature and increased the age-hardening rate. It is considered that the diffusion rate of the constituents increased with lowering of the liquidus temperature, and that consequently, gallium addition improved the age-hardenability.

本文言語英語
ページ(範囲)3863-3866
ページ数4
ジャーナルJournal of Materials Science
30
15
DOI
出版ステータス出版済み - 8月 1 1995

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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