Microstructure and properties of Cu-15Ni-8Sn-0.4Si alloy

来源期刊：中国有色金属学报(英文版)2003年第5期

论文作者：王艳辉 汪明朴 洪斌 李周

文章页码：1051 - 1055

Key words：Cu-15Ni-8Sn-0.4Si alloy; spinodal decomposition; cast structure; discontinuous precipitation; Ni₂Si

Abstract: By metallographic test, SEM, TEM and energy spectrum, the microstructure and properties of Cu-15Ni-8Sn-0.4Si alloy were studied. The results show that the added-Si combines with Ni and forms Ni₃Si and Ni₂Si phases. During ageing at 380℃, the precipitation of Ni₂Si phase suppresses discontinuous precipitation to some degree. After adding Si, the conductivity and hardness of Cu-15Ni-8Sn alloy are increased to some degree.