基于电磁感应的金属板轴向在役加载装置

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摘要为了准确测试金属材料在实际工作环境中的力学性能，提出一种基于电磁感应原理的金属板轴向在役加载方案。设计了用于金属板材结构的电磁加载装置和基于电容充放电原理的脉冲激励电源。通过有限元仿真分析了本装置对铝板的加载效果，得到了均匀分布的单轴应力。搭建了电磁加载实验平台，并采用超声应力检测方法对所产生电磁力进行了测量。实验测量结果与仿真结果相吻合，验证了本方案的可行性，实现了金属板材单轴应力的快速、原位加载。

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	张闯1
	2
	王标1
	2
	李乘风1
	2
	刘素贞1
	2
	杨庆新1

关键词 ：金属材料, 力学性能, 电磁加载, 超声应力检测

Abstract：In order to correctly measure mechanical performance of metal materials under actual work environment,a scheme for metal plate axial in-service loading based on the electromagnetic induction principle was proposed. An electromagnetic loading device for metal plate structures and a pulse exciting power supply based on the capacitive charge and discharge principle were designed. The loading effect of the device on aluminum plates was analyzed with finite element simulation to obtain uniform uniaxial stress. The electromagnetic loading test platform was built to measure the generated electromagnetic force with the ultrasonic stress detection method. The test results agree well with those of simulation to verify the feasibility of the scheme,and realize fast and in-situ loading of uniaxial stress for metal plates.

Key words： Metallic materials Mechanical property Electromagnetic loading Ultrasonic stress measurement

收稿日期: 2017-07-19 出版日期: 2019-03-28

引用本文:

张闯1,2,王标1,2,李乘风1,2,刘素贞1,2,杨庆新1. 基于电磁感应的金属板轴向在役加载装置[J]. 振动与冲击, 2019, 38(7): 251-256.
ZHANG Chuang1,2,WANG Biao1,2,LI Chengfeng1,2,LIU Suzhen1,2,YANG Qingxin1. Metal plate axial in-service loading device based on electromagnetic induction. JOURNAL OF VIBRATION AND SHOCK, 2019, 38(7): 251-256.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2019/V38/I7/251

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