Transactions of Materials and Heat Treatment

Title：Research on electromagnetic pulse connection characteristics of metal tube

Authors： Fan Wei Mo Jianhua Cui Xiaohui Zhou Bo

Unit： Huazhong University of Science and Technology

KeyWords： electromagnetic pulse forming tube connection tube forming uniformity field shaper finite element simulation

ClassificationCode：TG391

year,vol(issue):pagenumber：2015,40(6):43-49

Abstract：

The connection forming of aluminum tube with steel tube was studied by an electromagnetic pulse device with field shaper. The influences of the gap of field shaper and its width on magnetic force distribution were explored by combing numerical simulation with experiment method. The study results show that the large discharge voltage will benefit the uniformity of outer tube connection joint and connection joint strength. The study also shows that the big tube gap leads to poor uniformity of outer tube connection joint with the connection joint strength increasing first and then decreasing. A reasonable tube gap of 1.5 mm, which is satisfied with the requirement of uniformity and certain connection strength, is obtained by the overall uniformity criterion method.

Funds：

国家自然科学基金资助项目（51175201）

范伟（1990-），男，硕士研究生;通讯作者：莫健华（1952-），男，博士，教授

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