Cu-0.8Cr-0.2Zr触头材料的组织与性能

李宝增; 张红军; 韩丽娟; 郝留成; 林生军; 袁端鹏; 张颖杰

doi:10.15980/j.tzzz.2015.02.007

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Cu-0.8Cr-0.2Zr触头材料的组织与性能
Microstructure and Properties of Cu-0.8Cr-0.2Zr Alloy Contact Materials
2015年35卷第2期页码：137-139
纸质出版日期： 2015 ，
DOI： 10.15980/j.tzzz.2015.02.007

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[1]李宝增,张红军,韩丽娟,郝留成,林生军,袁端鹏,张颖杰.Cu-0.8Cr-0.2Zr触头材料的组织与性能[J].特种铸造及有色合金,2015,35(02):137-139.

Li Baozeng, Zhang Hongjun, Han Lijuan, et al. Microstructure and Properties of Cu-0.8Cr-0.2Zr Alloy Contact Materials[J]. Special Casting & Nonferrous Alloys, 2015,35(2):137-139.
[1]李宝增,张红军,韩丽娟,郝留成,林生军,袁端鹏,张颖杰.Cu-0.8Cr-0.2Zr触头材料的组织与性能[J].特种铸造及有色合金,2015,35(02):137-139. DOI： 10.15980/j.tzzz.2015.02.007.

Li Baozeng, Zhang Hongjun, Han Lijuan, et al. Microstructure and Properties of Cu-0.8Cr-0.2Zr Alloy Contact Materials[J]. Special Casting & Nonferrous Alloys, 2015,35(2):137-139. DOI： 10.15980/j.tzzz.2015.02.007.

摘要

制备了Cu-0.8Cr-0.2Zr触头合金材料

并对其组织与性能进行了研究。结果发现

Cu-0.8Cr-0.2Zr合金基体呈面心立方（FCC）结构

基体上Zr颗粒呈弥散分布

合金硬度（HB）为141

抗拉强度约为430 MPa

电导率为43.5 MS/m

软化温度为550℃。

Abstract

Cu-0.8Cr-0.2Zr alloy containing Zr was prepared by internal oxidation method

and microstructure and properties of the alloy prepared were investigated.The experimental results indicate that the alloy maintains face centered cubic（FCC）lattice

and Zr-containing precipitates are dispersedly distributed in the matrix uniformly

so the alloy exhibits excellent performance.The hardness（HV）and the tensile strength of the alloy reach up to 141

430 MPa

respectively

while the electric conductivity reaches 43.5 MS/m with the softening temperature of 550 ℃.