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Effect of SiO2 flux on the depth of penetration, microstructure, texture and mechanical behavior of AA6063 T6 aluminum alloy using activated TIG welding

100%

Kumar R. , Vettivel S. C. , Kumar Kansal H.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2021

tom Vol. 69, nr 1

art. no. e136215

Activated tungsten inert gas (ATIG) welding has a good depth of penetration (DOP) as compared to the conventional tungsten inert gas (TIG) welding. This paper is mainly focused on ATIG characterization and mechanical behavior of aluminum alloy (AA) 6063-T6 using SiO2 flux. The characterization of the base material (BM), fusion zone (FZ), heat affected zone (HAZ) and, partially melted zone is carried out using the suitable characterization methods. The weld quality is characterized using ultrasonic-assisted non-destructive evaluation. A-scan result confirms that the ATIG welded samples have more DOP and less bead width as compared to conventional TIG. The recorded tensile strength of ATIG with SiO2 is better than the conventional TIG welding. The failure mode is ductile for ATIG welding with larger fracture edges and is brittle in the case of conventional TIG welding.

Optimization of tribology parameters of AZ91D magnesium alloy in dry sliding condition using response surface methodology and genetic algorithm

71%

Beniyel M. , Sivapragash M. , Vettivel S. C. , Senthil Kumar P. , Ajith Kumar K. K. , Niranjan K. , Beniyel M. , Sivapragash M. , Vettivel S. C. , Senthil Kumar P. , Ajith Kumar K. K. , Niranjan K.

nr 1