The Cu/Fe magnetic yoke with novel interface and excellent mechanical properties by friction stir welding

被引：3
|
作者：
Zhou, Mengran [1 ,2 ,3 ]
Chen, Gaoqiang [1 ,2 ,3 ]
Wu, Jianjun [1 ,2 ,3 ]
Liu, Qu [1 ,2 ,3 ]
Lei, Bingwang [5 ]
Gao, Yunxi [5 ]
Liu, Yijun [1 ,2 ,3 ]
Zhang, Shuai [1 ,2 ,3 ,4 ]
Shi, Qingyu [1 ,2 ,3 ]
机构：
[1] Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Key Lab Adv Mat Proc Technol, Minist Educ China, Beijing 100084, Peoples R China
[4] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing, Peoples R China
[5] Inner Mongolia North Heavy Ind Grp Corp Ltd, Baotou, Peoples R China
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2022年 / 27卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Dissimilar joining; microstructure; interface; mechanical properties; friction stir welding; ALLOY; MICROSTRUCTURE; STEEL; JOINT; AL; FORMABILITY; SIMULATION; PARAMETERS; EVOLUTION; OXIDE;
D O I：
10.1080/13621718.2022.2053396
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel Fe/Cu interface with excellent mechanical properties in a magnetic yoke was fabricated by friction stir welding. This method eliminated defects that commonly form during conventional bead welding. The thick oxidisation layer at the Cu/Fe surface that formed due to fusion welding was eliminated during friction stir welding (FSW). Combined with the severe deformation introduced by FSW, the Cu/Fe interface obtained by fusion welding was hardly distinguishable due to mutual embedding at the Cu/Fe interface. The in situ digital image correlation analysis indicated that this Cu/Fe interface reconstruction also modified the deformation and crack propagation behaviours. The tensile load and displacement of the joint by FSW were remarkably improved while maintaining magnetic isolation.
引用
收藏
页码：339 / 352
页数：14
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