旁路电流和外等离子体电流对等离子-MIG混合电弧焊熔滴转移行为的影响

IF 3.1 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Science and Technology of Welding and Joining Pub Date : 2022-12-07 DOI:10.1080/13621718.2022.2153998

Y. Miao, Ziran Wang, Lin Wang, Xubo Ma, Qingwen Deng, Benshun Zhang

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引用次数: 1

摘要

提出了一种焊接AA 5083铝合金的新方法——旁路电流等离子体- mig复合电弧焊。通过模拟和实验对比研究，量化了旁路电流和输出等离子体电流对液滴转移行为的不同影响。结果表明:当旁路电流为15 A时，液滴呈现投影转移模式，其周期为22 ms;但当外部等离子体电流为15 A时，转移频率增加19.1 Hz，液滴尺寸略有增加。这是由于液滴上的电磁力和电弧等离子体力的减小。研究结果为控制和优化铝合金焊接过程中的熔滴传递行为提供了理论依据。

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Effects of bypass-current and out plasma current on droplet transfer behaviours during plasma-MIG hybrid arc welding

A new method, bypass-current plasma-MIG hybrid arc welding, was proposed to weld AA 5083 aluminium alloy. A comparative investigation between simulation and experiment was performed to quantify different effects of bypass-current and out plasma current on droplet transfer behaviours. The results show that when the bypass-current is 15 A, the droplets present a projected transfer mode, and its period is 22 ms. But if the outer plasma current is 15 A, the transfer frequency increases 19.1 Hz, and the sizes of the droplet show a slight increase. This is due to the reduction of electromagnetic force and arc plasma force on droplets. The research outcomes provide benefits to the droplet transfer behaviours in control and optimisation during aluminium alloy welding.

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来源期刊

Science and Technology of Welding and Joining 工程技术-材料科学：综合

CiteScore

6.10

自引率

12.10%

发文量

审稿时长

1.7 months

期刊介绍： Science and Technology of Welding and Joining is an international peer-reviewed journal covering both the basic science and applied technology of welding and joining. Its comprehensive scope encompasses all welding and joining techniques (brazing, soldering, mechanical joining, etc.) and aspects such as characterisation of heat sources, mathematical modelling of transport phenomena, weld pool solidification, phase transformations in weldments, microstructure-property relationships, welding processes, weld sensing, control and automation, neural network applications, and joining of advanced materials, including plastics and composites.