Performance Analysis Of Mechanical Properties And Weldment Area Of Aluminium Alloys

Ahmad Kamely, Mohamad and Johny Purnomo, Joewono (2013) Performance Analysis Of Mechanical Properties And Weldment Area Of Aluminium Alloys. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The industrial revolutions of welding process cause welding applied in almost every operation that involves fabricating in manufacture. The increasing usage of aluminium for new technology has stimulated considerable interest in the development of improved aluminium alloys. The quality of welding can influence by many factors e.g. current, velocity, flow rate, etc. Aluminium welding still represents a critical operation due to his complexity and the high level of defect that can be produced in the joint. Aluminium has several chemical and physical properties that need to be understood when using the various joining processes. For designers and technologist are the greatest challenge to weld aluminium and its alloys, it caused aluminium alloys differ from conventional material like steel. Therefore, it is necessary to find the optimum welding parameters to produce quality welding by analyzing the mechanical properties and microstructure of weldments area. Metal Inert Gas Robot welding is used in this study. From this study, it is found that good quality welding with the used of high current and high voltage. It was observed that the bending strength increased with the used of high current and high voltage (161086 Mpa). In the other hand the results also show very high ultimate tensile strength values of 1798.74 Mpa obtained with the used of high current (190 A) and high voltage (19 V).

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