Transactions of Materials and Heat Treatment

Title：Analysis on electromagnetic force distribution and deformation uniformity for tube electromagnetic compression based on magnetic field converter

Authors： Qiu Li1 2 He Qin1 Liu Hongchi1

Unit： 1.College of Electrical Engineering and New Energy China Three Gorges University 2.State Key Laboratory of Advanced Electromagnetic Engineering and Technology Huazhong University of Science and Technology

KeyWords： electromagnetic forming magnetic field converter electromagnetic compression electromagnetic force deformation uniformity

ClassificationCode：TM154

year,vol(issue):pagenumber：2023,48(5):245-253

Abstract：

For the problem of non-uniform deformation of traditional tube in the process of electromagnetic compression, a new electromagnetic compression method of tube based on magnetic field converter was proposed, which through the magnetic field converter to change the electromagnetic force distribution of the traditional single coil, and then improved the deformation uniformity of tube. The electromagnetic-structure coupling model of electromagnetic compression for tube was established, the influences of the geometric parameters of magnetic field converter on the electromagnetic force were studied, and the advantages and disadvantages of the traditional single coil and the new method in electromagnetic force distribution and deformation uniformity were compared and analyzed. The results show that the magnetic field converter can change the peak position of electromagnetic force, its structure parameters can control the magnitude and direction of electromagnetic force, and the deformation uniformity of tube is four times higher than that of the traditional coil. Therefore, the loading method based on magnetic field converter can effectively solve the problem of deformation uniformity of tube during electromagnetic compression process, and promote the development of electromagnetic forming.

Funds：

国家自然科学基金资助项目（51877122,51507092）

作者简介：邱立（1984-），男，博士，副教授,E-mail：Doctor_QiuL@163.com;通信作者：刘洪池（1997-），女，硕士研究生,E-mail：844270214@qq.com

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