EXPERIMENTAL INVESTIGATIONS ON TIG WELDING OF ALUMINIUM 6351 ALLOY
Keywords:
Aluminium alloy, Tungsten Inert Gas, Tensile test, Micro hardness test, Microstructure, Taguchi’s methodologyAbstract
The welding parameters play vital role in joining the work pieces and properties of the weld joints. The aim of the present work is to improve the mechanical properties of AA 6351 Aluminum alloy with pulsed Tungsten Inert Gas (TIG) welding process. Taguchi robust design methodology is applied to optimize the welding parameters to improve the mechanical properties. Analysis of Mean (AoM) is carried out to find the optimum process parameters. Analysis of Variance (ANOVA) is performed to analyze the influence of process parameters on mechanical properties. Microstructures of all the weld joints are analyzed
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