A Study On The Failure Analysis Of The Tig Welding With Dissimilar Joint

Wan Ahmad Fitri, Johari (2012) A Study On The Failure Analysis Of The Tig Welding With Dissimilar Joint. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project focuses on dissimilar joints metal by using TIG welding between dual phase steel and low carbon steel where only involve one type of joint that is square butt joint. Dissimilar joints metal between low carbon steel and dual phase steel is a common material that use in many indust:Iy, because the combination of this metal offer a good mechanical properties. However, welding joint is the weakest point in a component because most of the component failures occur at welding joints, so the purpose ofthis research is to investigate the failure analysis at that joint. We are using three methods or test to understand the behaviour of the joining for dual phase steel and low carbon steel. The control parameter is very important to avoid porosity, minor crack, and inclusion during the welding and to overcome those problems a good understanding on the behaviour of the joining is required. This project flow must start from cutting sample at welding workshop, heat treatment to produce dual-phase steel sample, welding process, visual analysis, mechanical testing and the last is analyze the result from the test before conclusion.

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