Effect of Welding Parameters on Tensile Strength for Aluminum Alloy 6082 Using TIG Welding

TIG welding is a fusion welding process having wide applications in industry. The welding parameters play a very important role in determining the quality of a welded joint in Tungsten Inert Gas Welding (GTAW). So proper selection of weldings parameters is necessary to obtain weld joint with increased tensile strength In this research multilevel factorial experimental design is considered which consists of two factors and three levels The working ranges of welding parameters for conducting experiments are obtained by from literature survey and trial. In this work, TIG welding parameters influence on weld ability of Aluminum alloy 6082 specimens with dimension of 500mm long x 50mmwide x 5mmthick is investigated. The welding parameters such as arc gas flow rate, welding current, gas flow rate are taken into account which influence the tensile strength measured after welding. Regression analysis is used to determine the effect of the individual parameters and a suitable combination was found out.