Influence of Field Shaper Gap on Joint Properties During Magnetic Pulse Welding

被引：0
|
作者：
Chen S. [1 ]
Kan C. [1 ]
Yuan T. [1 ]
Jiang X. [1 ]
Gong W. [1 ]
机构：
[1] College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing
来源：
Yuan, Tao (ty29@bjut.edu.cn) | 2018年 / Tianjin University卷 / 51期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Dissimilar metal; Empty tube deformation; Field shaper gap; Magnetic pulse welding;
D O I：
10.11784/tdxbz201803055
中图分类号：
学科分类号：
摘要：
The 3003 aluminum alloy tube and 1Cr18Ni9Ti stainless steel rod were welded by magnetic pulse welding. The influence of the field shaper gap on the connection effect of the magnetic pulse welding joint was studied. The welding results were further analyzed by empty tube deformation experiments. The results show that the magnetic force of the outer tube near the field shaper gap is decreased, and therefore the deformation speed of the outer tube near the field shaper gap is smaller than those of other positions during the welding process. However, in the process, a circumferential impact angle of the outer tube to the inner rod has been generated by the deformation speed difference, so that an axial connection along the joint is created near the field shaper gap, which is beneficial to the connection of the aluminum alloy tube to stainless steel rod. Different impact gaps have their corresponding optimal discharge voltage ranges. Under the influence of the field shaper gap, excessive voltage leads to joint cracking. © 2018, Editorial Board of Journal of Tianjin University(Science and Technology). All right reserved.
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页码：1223 / 1229
页数：6
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