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Experimental Investigations for Reduction of Defects In MIG Welding Process

Rajiv Kumar Vishwkarma

Abstract


An experimental analysis has been tested to understand the roll of process parameter of MIG welding on under frame assembly components. Three important process parameter like a current, voltage and rate of gas flow MIG Welding process were used to reduce the welding defects in under frame assembly components. Taguchi method approach has been adopted to identify the process parameter level to have reduced welding defects in under frame assembly components. The experimental results coupled with ANOVA results to identify the factors having the significant for reduction of welding defects in under frame assembly components. The conformation experiments conducted with predicted level of factors proved to be worthy.


Keywords


Metal Inert Gas Welding (MIG), Gas Metal Arc Welding (GMAW), Metal Active Gas (MAG), Post weld heat treatment (PWHT), Inter metallic compound (IMC)

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