Dissimilar Metal Active Gas Welding of TWIP and DP Steel Sheets
Russo, Spena P
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New austenitic high-manganese TWIP steels have been proposed for the fabrication of car-body components, due to their excellent combination of strength and ductility. A widespread usage of TWIP steel grade is conditional on the employment of resistance spot welding to assemble body components made of dissimilar steel grades. For this reason, this work aims at investigating the mechanical and microstructural response of dissimilar butt weld seams of TWIP and dual phase steel sheets, with an austenitic filler, made by MAG welding.