Properties, microstructure and texture evolution of cold rolled Cu strips under electropulsing treatment

被引：48
|
作者：
Zhu, R. F. [1 ,2 ]
Liu, J. N. [1 ,2 ]
Tang, G. Y. [1 ,2 ]
Shi, S. Q. [3 ]
Fu, M. W. [3 ]
机构：
[1] Tsinghua Univ, Adv Mat Inst, Grad Sch Shenzhen, Shenzhen 518055, Peoples R China
[2] Tsinghua Univ, Key Lab Adv Mat, Minist Educ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
[3] Hong Kong Polytech Univ, Dept Mech Engn, Kowloon, Hong Kong, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2012年 / 544卷
基金：
中国国家自然科学基金;
关键词：
Electropulsing treatment; Electron back scattered diffraction; Microstructure; Texture; Cu strips; RECRYSTALLIZATION TEXTURES; ALLOY; BOUNDARIES; STRENGTH; COPPER;
D O I：
10.1016/j.jallcom.2012.07.150
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of electropulsing treatment (EPT) on properties, microstructures and texture of the cold-rolled Cu strips is investigated by electron back scattered diffraction (EBSD). The results show that the elongation of Cu strips increases while the Vickers hardness and electrical resistivity drop with the increase of the frequency of electropulsing excluding 600 Hz. The grain size increased with increasing the frequency of electropulsing. The frequency of coincident site lattice (CSL) and twin reach the maximum using the EPT of 400 Hz. In addition, the change of microstructure induced by EPT strengthens P{011}< 12 (2) over bar > orientation and weakens S{123}< 63 (4) over bar > and Bs{110}< 1 (1) over bar2 > texture component content. The twin formation and crystallization mechanism of the cold deformed Cu under electropulsing are proposed. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：203 / 208
页数：6
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