Research on properties of CuCr25 contact materials after deformation and heat treatment

被引：0
|
作者：
Tian, Bao-Hong [1 ]
Zhu, Jian-Juan [1 ]
Liu, Ping [2 ]
Ren, Feng-Zhang [1 ]
Liu, Yong [1 ]
Jia, Shu-Guo [1 ]
机构：
[1] School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China
[2] Institute of Electric Functional Materials, University of Shanghai for Science and Technology, Shanghai 200093, China
来源：
Cailiao Rechuli Xuebao/Transactions of Materials and Heat Treatment | 2007年 / 28卷 / SUPPL.期
关键词：
Aging of materials - Deformation - Electric conductivity - Forming - Heat treatment - Microhardness - Solid solutions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The atmospheric cast CuCr25 alloy contact material which prepared by median frequency induction furnace were studied. The influence of aging and deformation on electrical conductivity and microhardness were discussed. And the softening temperature was measured. The results show that after solution at 950°C for 1 h and aging at 440°C for 6 h the alloy obtains good electrical conductivity and micro-hardness. Soluting, 40% cold deforming and then aging at 440°C for 2 h, the electrical conductivity reaches 57%1ACS and the microhardness reaches 174 HV which are 10%IACS higher in electrical conductivity and 27 HV in microhardness than that of alloy directly aging after solution without deformation. And the softening temperature of the alloy was about 550°C.
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页码：126 / 129
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