Experimental research on arc additive manufacturing based on electromagnetic induction heating

被引：0
|
作者：
Wang K. [1 ]
Zhao X. [1 ]
Zhang K. [1 ]
Wang Y. [1 ]
Zhang H. [2 ]
机构：
[1] School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan
来源：
Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition) | 2022年 / 50卷 / 12期
关键词：
arc additive manufacturing; deformation control; electromagnetic induction heating; mechanical property; synchronous heat treatment;
D O I：
10.13245/j.hust.221208
中图分类号：
学科分类号：
摘要：
In order to solve the current problems of deformation and poor microstructure and mechanical properties of arc additive manufacturing，low carbon steel was taken as the research object to explore the improvement of arc additive manufacturing performance by electromagnetic induction heating by experimental methods． The deformation of the samples was detected by a laser scanner，the microstructure was observed by a metallographic microscope，the temperature field during the forming process was monitored by an infrared thermal imager，and the mechanical properties were tested by a tensile test． Combined with the temperature field，the deformation，microstructure and mechanical properties of the sample were deeply analyzed．The results show that electromagnetic induction heating can reduce the deformation of the samples，refine the grain and improve the mechanical properties of the samples．When the induction power is 12.6 kW and the distance between the coil and the welding gun is 95 mm，the electromagnetic induction effect is the best．The deformation of the samples is reduced by 62%，the tensile strength of the formed sample is increased by 6.38% and the elongation is increased by about 1%. © 2022 Huazhong University of Science and Technology. All rights reserved.
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页码：58 / 63
页数：5
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