Development of chassis for shell eco marathon

Suhaimi, Muhammad Hafiz Azim (2019) Development of chassis for shell eco marathon. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This study deals with the arc welding operation of the thin plate which thickness is 1mm with using ASTM D1002 standard. This study aims to determine the suitable welding process to be applied in the automotive industry by comparing the effect of welding parameters on the tensile properties and macrostructure of welded specimens of Metal Inert Gas (MIG) welding. The strength of the chassis vehicle structure mostly depends on the weld structure. Thus, this project purposed to study the effect of different welding parameters on the mechanical properties of MIG welding. The parameter of resistance MIG welding such as welding current, welding force, and welding time was changed followed by the parameters designated. In this project, the tensile strength and hardness test of lap joint in spot welding for 2.00 mm total thickness of the two-layer welded sheet were investigated. The testing process that had been done is the tensile shear-test by using Universal Testing Machine. By the results obtained in this project, best welding parameter with significant strength is determined. The less performing parameter is the one that has lowest shear strength value. The study found that, varying the welding parameters for MIG welding process will have effect in terms of strength and rigidity. Correct welding parameter should be determined before developing a lightweight chassis with thin wall thickness

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