Methods The isothermal age hardening behaviour of an experimental75wt% Au,16wt% Ag,9wt% Cu alloy was studied by means of hardness test, X ray diffraction study.

• 方法 采用硬度试验和X线衍射的研究手段 ,探讨含 75wt%25金 ,16wt%25银 ,9wt%25铜合金的等温时效硬化性能。