Performance and Parameter Optimization of Self-piercing Riveted Joint for Aluminum Alloy Plate

Abstract

Self-piercing riveting is a connection technology to achieve efficient connection of aluminum alloy plates, and the quality of the connection mainly depends on the rivet and mold parameters. This paper establishes a self-piercing riveting simulation analysis model based on the ALE method, and verifies the accuracy of the model by comparing the simulation and experimental results. Five parameters such as rivet length and mould radius are selected, and the undercut amount, bottom thickness, remaining thickness, and tensile shear capacity are used as evaluation indexes to research the main factors that affect the joint forming quality, and an effective optimization scheme is proposed.

Effect of Top Sheet Materials on Joint Performance of Self-Piercing Riveting

“…To impede simulation termination because of large element distortion, arbitrary Lagrangian-Eulerian (ALE) mapping was used to the sheet materials as a re-meshing technique. Zhong et al 22) reported that the ALE coordinate system could effectively interpret the trends in the process of material deformation and reduce mesh distortion during the large plastic deformation of the SPR process. The mechanical and elastoplastic properties of work pieces were employed to obtain an appropriate calculation of their deformation during the riveting process.…”