A high strength and high electrical conductivity bulk CuCrZr alloy with nanotwins

被引：115
|
作者：
Sun, L. X. [1 ]
Tao, N. R. [1 ]
Lu, K. [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
来源：
SCRIPTA MATERIALIA | 2015年 / 99卷
关键词：
CuCrZr; Electrical conductivity; Strength; Nanostructure; Nanotwins; DYNAMIC PLASTIC-DEFORMATION; CU-CR; MECHANICAL-PROPERTIES; MICROSTRUCTURES; COPPER;
D O I：
10.1016/j.scriptamat.2014.11.032
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A bulk nanostructured CuCrZr alloy consisting of nanotwins and nanograins was prepared by dynamic plastic deformation at liquid nitrogen temperature. A tensile strength of 700 MPa and an electrical conductivity of 78.5% International Annealed Copper Standard are obtained in the nanostructured CuCrZr alloys processed by means of this one-step deformation without aging treatment. The reason for the increased strength without the sacrifice of its high electrical conductivity was discussed. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：73 / 76
页数：4
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