Achieving high strength and high conductivity synergy through hierarchical precipitation stimulated structural heterogeneities in a Cu-Ag-Zr alloy

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Wu, Xiang;Zhang, Jiaxuan;Wang, Richu;Zafar, Zainab;Liu, Xiaochun;...

通讯作者：

Liu, Xiaochun(xcliu@csust.edu.cn)

作者机构：

[Zafar, Zainab; Liu, Xiaochun; Wu, Xiang; Liu, Yujing; Zhang, Jiaxuan] Changsha Univ Sci & Technol, Coll Mat Sci & Engn, Inst Met, Changsha 410114, Peoples R China.

[Wang, Richu] Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China.

[Qian, Lihua] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.

[Sun, Lixin] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China.

通讯机构：

[Xiaochun Liu] I

Institute of Metals, College of Materials Science and Engineering, Changsha University of Science & Technology, Changsha 410114, China

语种：

英文

关键词：

Copper alloy;Hot isostatic pressing;Hierarchical precipitation-stimulated structures;Electrical conductivity;Mechanical property;Thermal stability

期刊：

Materials & Design

ISSN：

0264-1275

年：

2022

卷：

219

页码：

110777

DOI：

10.1016/j.matdes.2022.110777

基金类别：

Natural Science Foundation of Hunan Province Youth Fund [2021JJ40600, 2021JJ40590, 2021JJ20011]; National Natural Science Founda-tion of China [52001030]

机构署名：

本校为第一机构

院系归属：

材料科学与工程学院

摘要：

Cu alloys can be plastically deformed to reach ultra-high strength, but often at an expense of their electrical conductivity. Here we report that the introduction of hierarchical precipitations and the resultant microstructural heterogeneities at different scales could overcome the strength-conductivity tradeoff in Cu-Ag-Zr alloy. The intrinsic particle size dependent precipitation behavior, owing to the different cooling rate during powder atomization, has been inherited after hot isostatic pressing (HIP) of powders into bulk sample. The follo...

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Achieving high strength and high conductivity synergy through hierarchical precipitation stimulated structural heterogeneities in a Cu-Ag-Zr alloy

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