MICROSTRUCTURE AND PROPERTIES OF CuCr25 ALLOYS WITH DIFFERENT Ni CONTENT

被引：1
|
作者：
C.Y.Zhang
Y.P.Wang
Z.M.Yang
B.J.Ding
Y.L.Li
机构：
[1] Shenyang National Laboratory for Materials Science,Institute of Metal Research,The Chinese Academy of Sciences,Shenyang 110016,China ,Shenyang National Laboratory for Materials Science,Institute of Metal Research,The Chinese Academy of Sciences,Shenyang 11
[2] School of Materials Science and Engineering,Xi’an Jiaotong University,Xi’an 710049,China
来源：
ActaMetallurgicaSinica(EnglishLetters) | 2003年 / 02期
基金：
中国国家自然科学基金;
关键词：
CuCr25; contact material; vacuum induction melting;
D O I：
暂无
中图分类号：
TG146.1 [重有色金属及其合金];
学科分类号：
摘要：
CuCr25 alloys containing different Ni content were prepared by vacuum induction melting (VIM). The micro structure and properties were tested. The results show that with the increase of Ni content in CuCr25 alloys, the Cr phase changed from developed dendrite into nodular grains and was drastically refined; the electrical conductivity significantly decrease, but still reach the level of conventional CuCr50 when the Ni content is below 0.5%. The Ni content had little influence on their breakdown strength. The first breakdown sites transferred to the boundary of Cu and Cr phase for CuCr25Ni compared to the Cr phase for CuCr25 without Ni.
引用
收藏
页码：151 / 154
页数：4
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