Microstructure and XRD analysis of FSW joints for copper T2/aluminium 5A06 dissimilar materials

被引：151
|
作者：
Liu, Peng [1 ]
Shi, Qingyu [1 ]
Wang, Wei [1 ]
Wang, Xin [1 ]
Zhang, Zenglei [1 ]
机构：
[1] Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 25期
基金：
国家高技术研究发展计划(863计划);
关键词：
Cu/Al dissimilar materials; friction stir welding; microstructure; tensile strength; X-ray technique;
D O I：
10.1016/j.matlet.2008.06.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Copper (T2) and aluminium alloy (5A06) were welded by friction stir welding (FSW). The microstructure, mechanical properties and phase constituents of FSW joints were studied by metallography, tensile testing machine and X-ray diffraction. The results indicated that the high quality weld joint could be obtained when tool rotational speed is 950 rpm, and travel speed is 150 mm/min. The maximum value of tensile strength is about 296 MPa. The metal Cu and Al close to copper side in the weld nugget (WN) zone showed a lamellar alternating structure characteristic. However, a mixed structure characteristic of Cu and AI existed in the aluminium side of weld nugget (WN) zone. There were no new Cu-Al intermetallic compounds in the weld nugget zone. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：4106 / 4108
页数：3
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