Influence of Arc Power on Keyhole-Induced Porosity in Laser + GMAW Hybrid Welding of Aluminum Alloy: Numerical and Experimental Studies

Influence of Arc Power on Keyhole-Induced Porosity in Laser + GMAW Hybrid Welding of Aluminum Alloy: Numerical and Experimental Studies

A three-dimensional numerical model is used to simulate heat transfer and fluid flow phenomena in fiber laser + gas metal arc welding (GMAW) hybrid welding of an aluminum alloy, which incorporates three-phase coupling and is able to depict the keyhole dynamic behavior and formation process of the ke...

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Bibliographic Details
Main Authors: Guoxiang Xu, Pengfei Li, Lin Li, Qingxian Hu, Jie Zhu, Xiaoyan Gu, Baoshuai Du
Format: Article
Language:English
Published: MDPI AG 2019-04-01
Series:Materials
Subjects:
hybrid welding
numerical simulation
fluid flow
weld pore
aluminum alloy
Online Access:https://www.mdpi.com/1996-1944/12/8/1328

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