The Influence Of Welding Parameter On Butt Joint Welding Strength

Lim , Ming Hao (2011) The Influence Of Welding Parameter On Butt Joint Welding Strength. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Producing good welded components are continually challenged in order to improve the welding quality especially for mild teel welding. Mild steel has their unique welding characteristic compare with other material. Therefore, a research on optimizing the mild steel welded butt joints was carried out by using mathematically modelling, Response Surface Methodology (RSM). Response Surface Methodology is an advanced optimization methods and statistical sampling techniques which can significantly help in understanding the interaction of parameter. Experiments were carried out to study the influence of three MIG welding parameters that is welding current, welding voltage and welding speed on the strength of welded mild steel butt joints. This project is been started by study the welding parameter for mild steel then follow with a welding process with different combination of parameter level. A tensile test was done to find out the respectively tensile strength. This tensile strength wills analysis together with three parameters and modelling by Response Surface Methodology. A best combination of welding parameter will evaluate. With the right welding parameters setting, it able to produce a sufficiently dynamic strength and the best weld quality, was ensured.

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