Effects of Aging Temperature and Cr Content on the Microstructure and Properties of Cu-Ag-Cr Alloy

Wang Yao; Yang Zhenghai; Yang Qianqian; Tian Baohong; Yang Xiaohui; Shao Xinghai; Xu Yu; Cao Lei

doi:10.15980/j.tzzz.2021.03.020

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Effects of Aging Temperature and Cr Content on the Microstructure and Properties of Cu-Ag-Cr Alloy
Vol. 41, Issue 3, Pages: 353-358(2021)
Published： 2021 ，
DOI： 10.15980/j.tzzz.2021.03.020

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[1]王耀,杨正海,杨倩倩,田保红,杨晓辉,邵星海,徐宇,曹磊.时效温度和Cr含量对Cu-Ag-Cr合金性能的影响[J].特种铸造及有色合金,2021,41(03):353-358.

Wang Yao, Yang Zhenghai, Yang Qianqian, et al. Effects of Aging Temperature and Cr Content on the Microstructure and Properties of Cu-Ag-Cr Alloy. [J]. Special Casting & Nonferrous Alloys 41(3):353-358(2021)
[1]王耀,杨正海,杨倩倩,田保红,杨晓辉,邵星海,徐宇,曹磊.时效温度和Cr含量对Cu-Ag-Cr合金性能的影响[J].特种铸造及有色合金,2021,41(03):353-358. DOI： 10.15980/j.tzzz.2021.03.020.

Wang Yao, Yang Zhenghai, Yang Qianqian, et al. Effects of Aging Temperature and Cr Content on the Microstructure and Properties of Cu-Ag-Cr Alloy. [J]. Special Casting & Nonferrous Alloys 41(3):353-358(2021) DOI： 10.15980/j.tzzz.2021.03.020.

摘要

研究了时效温度和Cr含量对70%冷轧变形的Cu-Ag-xCr合金的硬度、导电性能和耐蚀性能的影响。结果表明

Cu-Ag-xCr合金在450～500℃时效后

其硬度随时效温度增加而降低

随Cr含量增加而升高;时效温度和Cr含量对合金电导率的影响不大;随时效温度升高

合金耐蚀性降低;随Cr含量增加

腐蚀速率降低

耐蚀性提高。Cr含量为0.34%时

在450℃时效2h后

其综合性能较好

电导率为47.02 MS/m

硬度(HV

0.1

)达到128.34

耐腐蚀性较好。

Abstract

The influence of aging temperature and Cr content on the hardness

conductivity and corrosion resistance of 70% cold-rolled Cu-Ag-xCr alloy was investigated.The results indicate that with the Cu-Ag-xCr alloy aged at 450～500 ℃

the hardness of the alloy is decreased with the increase of the aging temperature

and increased with the increase of the Cr content.The effect of aging temperature and Cr content on the conductivity can be neglected.With the increase of the ageing temperature

the corrosion resistance is decreased

and with the increase of the Cr content

the corrosion rate is decreased and the corrosion resistance is increased.When the Cr content is 0.34%

the comprehensive performance is optimal at 450 ℃ aging for 2 h

where the conductivity is47.02 MS/m

the hardness is 128.34 HV

0.1

and the corrosion resistance is better.