Abstract
Mild steel is one of the commonest materials used in the metal industry due to its weldability, malleability and hardness properties. Consequently, there is always a need for joining processes of mild steel, with welding techniques such as Metal Inert Gas (MIG) welding being a popular choice. However, the complex physics involved in welding such as phase changes, metal deposition, and inhomogeneous heating and cooling rates across the weld zone often results in the compromise of structural integrity in mild steel welds. Improving weld integrity has since become an area of interest, with process parameter optimization and post-weld heat treatment being the most popular solutions as discovered in the literature...
M.Eng. (Mechanical Engineering)