Effects of bypass-current and out plasma current on droplet transfer behaviours during plasma-MIG hybrid arc welding
Source abstract
Abstract
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.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Welding Techniques and Residual Stresses · Additive Manufacturing Materials and Processes · Advanced Machining and Optimization Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
National Key Laboratory of Science and Technology on Underwater Vehicle, Harbin Engineering University, Harbin, People's Republic of China
Jiangsu Automation Research Institute, Lianyungang, People's Republic of China
Funding
National Natural Science Foundation of China · High-Tech Ship Scientific Research Project from the Ministry of Industry and Information Technology
References (33)
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