Abstract
Resistance spot welding is one of the acknowledged spot joining processes which is predominantly used in the fabrication and assembling of parts in the automotive industry. In the present work, resistance spot welding of CR210, CR340 sheets (both galvanized) were conducted to evaluate the joint performance at varied heat inputs. RSW heat and time are varied within a range chosen based on preliminary trials. Lap shear test, micro-hardness, and microstructural evolution are used to determine the joint quality, morphology, and strength. Self-piercing riveting, which has gained popularity recently, is also performed on the same sheets. Finally, a lap shear test is conducted on SPR joints and compared to RSW joints. Preliminary results are brought forward and discussed.
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