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Effect of Plastic Deformation on Microstructure and Properties of Cu-(1 wt%-6 wt%) Ag Alloy

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【作者】 茹亚东； ZHANG Zhongyuan； 高召顺； ZHANG Ling； ZUO Tingting； XUE Jiangli； TANG Zhixiang； DA Bo； LIU Yongsheng； XIAO Liye；

【Author】 RU Yadong;ZHANG Zhongyuan;GAO Zhaoshun;ZHANG Ling;ZUO Tingting;XUE Jiangli;TANG Zhixiang;DA Bo;LIU Yongsheng;XIAO Liye;Institute of Electrical Engineering, Chinese Academy of Sciences;Department of Physics, Shanghai University of Electric Power;University of Chinese Academy of Sciences;International Joint Laboratory for Light Alloys (MOE), College of Materials Science and Engineering, Chongqing University;Research and Services Division of Materials Data and Integrated System, National Institute for Materials Science;

【通讯作者】 高召顺;

【机构】 Institute of Electrical Engineering, Chinese Academy of Sciences； Department of Physics, Shanghai University of Electric Power； University of Chinese Academy of Sciences； International Joint Laboratory for Light Alloys (MOE), College of Materials Science and Engineering, Chongqing University； Research and Services Division of Materials Data and Integrated System, National Institute for Materials Science；

【摘要】 In the present study,the Cu-(1 wt%-6 wt%) Ag alloys were prepared by melting,forging and wire drawing.The effects of plastic deformation on microstructure evolution and properties of the alloys were investigated.The results show that non-equilibrium eutectic colonies exist in the Cu-(3 wt%-6 wt%) Ag alloy and no eutectic colonies in the 1 wt%-2 wt% Ag containing alloys.These eutectic colonies are aligned along the drawing direction and refined with the increase of draw ratio.Attributed to the refinement of eutectic colonies,the Cu-Ag alloy exhibits higher strength with the increase of draw ratio.The Cu-6Ag alloy exhibits excellent comprehensive properties with a strength of 930 MPa and a conductivity of 82 %IACS when the draw ratio reaches 5.7.

【Abstract】 In the present study,the Cu-(1 wt%-6 wt%) Ag alloys were prepared by melting,forging and wire drawing.The effects of plastic deformation on microstructure evolution and properties of the alloys were investigated.The results show that non-equilibrium eutectic colonies exist in the Cu-(3 wt%-6 wt%) Ag alloy and no eutectic colonies in the 1 wt%-2 wt% Ag containing alloys.These eutectic colonies are aligned along the drawing direction and refined with the increase of draw ratio.Attributed to the refinement of eutectic colonies,the Cu-Ag alloy exhibits higher strength with the increase of draw ratio.The Cu-6Ag alloy exhibits excellent comprehensive properties with a strength of 930 MPa and a conductivity of 82 %IACS when the draw ratio reaches 5.7.

【关键词】 Cu-Ag alloy； high strength and high conductivity； microstructure； eutectic structure； strengthening mechanism；
【Key words】 Cu-Ag alloy； high strength and high conductivity； microstructure； eutectic structure； strengthening mechanism；
【基金】 Funded by the National Key R&D Program of China (Nos.2021YFB2500600 and 2017YFE0301405);the Institute of Electrical Engineering,CAS (Nos.E155710301 and E155710201);the Fundamental Research Funds for the Central Universities of China (No.2020CDJDPT001);the Youth Innovation Promotion Association CAS (No. 2022138)
  • 【文献出处】 Journal of Wuhan University of Technology(Materials Science) ,武汉理工大学学报(材料科学版)(英文版) , 编辑部邮箱 ,2024年03期
  • 【分类号】TG146.11
  • 【下载频次】5
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