A review of the GMAW process for high-thick aluminum material: Experiments and Finite Element Analysis

Milad Bahrami*, Michel Guillot
PI2/REGAL Research Team, Department of Mechanical Engineering, Laval University, Quebec

Aluminum is more difficult to weld due to the fact that it is soft, very sensitive and covered in an oxidized layer that makes it difficult to work with. Welding aluminum necessitates the use of various material thicknesses. However, there isn't a lot of related research on MIG welding for thick materials with aluminum alloys. To avoid burning through thin material while still getting enough into thick material to make a strong weld, the best welding settings must be found. Higher welding heat input is required for thicker weldments. Welding distortion will surely increase because of the substantial temperature difference between the front and back of the weld. This paper is a deep review of aluminum welding with a comparison of the finite element analysis. It also presents some of the most common problems that come up when welding aluminum and tries to explain how to fix them.

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