Identification of Optimized Welding Conditions for Pulsed Current Gas Metal Arc Welding of AISI 904 Super Austenitic Stainless Steel

P. Manavalan; S. Ravi; R. Kesavan

doi:10.4028/www.scientific.net/AMM.787.500

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 787Identification of Optimized Welding Conditions for...

Identification of Optimized Welding Conditions for Pulsed Current Gas Metal Arc Welding of AISI 904 Super Austenitic Stainless Steel

Abstract:

The present investigation is aimed to study the effect of pulsed current gas metal arc welding on the tensile strength of AISI 904L super austenitic stainless steel joint 1.2 mm diameter solid wire of same composition. The joints were fabricated using pulsed current gas metal arc welding and by varying five factors such as peak current, pulse on time, pulse on frequency, background current and welding speed at five different levels. Design matrix based on central composite rotatable design was selected to conduct the experiment and an attempt is made to maximize the tensile strength by optimizing the factors using graphical and numerical optimization techniques. Results were correlated with weld metal microstructures.

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Periodical:

Applied Mechanics and Materials (Volume 787)

Pages:

500-504

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.787.500

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Online since:

August 2015

Authors:

P. Manavalan*, S. Ravi, R. Kesavan

Keywords:

Pulsed Current Gas Metal Arc Welding, Optimization, Super Austenitic Stainless Steel

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