Abstract
Flat bottom self-pierce riveting is a novel metal sheet joining process because it does not need mold design of self-pierce riveting. Joints have flat bottom and high strength, so that flat bottom self-pierce riveting has wide development prospects. With the help of the DEFORM-2D software, this paper studied the effects of friction factors between AZ31 magnesium alloy sheets were studied, and then special simulations were carried out to investigate their effects on joints. The analysis indicates that the appropriate friction factor among blank holder, rivet, sheets and bottom plate is 0.1–0.5 and the friction factors have obvious effects on the quality of joints. The final results may provide the further research with essential guidance.
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