Investigation Of Spot Welding Fatigue Properties In Dissimilar Material

Hasnan, Nur Ajrun Wafa (2018) Investigation Of Spot Welding Fatigue Properties In Dissimilar Material. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Resistance Spot Welding (RSW) is commonly used in manufacturing and automotive industry because of their advantages such as high speed and high production, suitability for automation,easy to process and low cost. Generally,the “trial and error” method based on the knowledge and experience of the welder has been widely adopted by the industry for the selection the higher strength of fatigue properties in order to achieve a good quality of welds.This project deals with the investigation of fatigue properties spot welding in dissimilar material.The main objective of this project to investigate the number of cycle of 2 layer spot weld of different material,to define the fatigue endurance limit of dissimilar material in spot welding and to identify the maximum load due tensile stress by using stress strain curve in spot welding.The studies of fatigue properties are consists by using two test;tensile test machine and fatigue machine.In the conclusion,the result shows that the weld current plays an important role in determining the maximum tensile strength.

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