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Optimization of Process Parameters for Gas Tungsten Arc Welding of AA1100 Aluminium Alloy


Author : Vijay Gautam

Pages : 788-792
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Abstract

This paper aims at optimization of process parameters for gas tungsten arc welding (GTAW) of sheet samples of Aluminium alloy AA1100 using AC wave with Argon as inert gas. Tensile properties of parent and welded specimens were determined as per ASTM-E8M standard. Taguchi approach was applied to determine most influential control parameters which will yield better tensile strength of the joints of GTAW welded Aluminium alloy AA1100. Taguchi design was followed by ANOVA and Regression analysis to determine the effect of the individual parameters and a suitable combination was found out. The predicted optimum value of tensile strength of the weld joint is 91.35 MPa which was further confirmed by experiments and found to be in close agreement.

Keywords: Aluminium alloy AA1100, Pulsed GTAW, Taguchi Approach, ANOVA, Regression, Tensile strength.

Article published in International Journal of Current  Engineering  and Technology, Vol.4,No.2 (April- 2014)

 

 

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