Research Progress on Numerical Simulation and Optimization of Self-Piercing Riveting Joining Process
ZHANG Yue1,2, JIANG Jiachuan1, PENG Ruitao1,2, LEI Bei1
1. School of Mechanical Engineering and Mechanics, Xiangtan University, Xiangtan 411105, China;
2. Postdoctoral Flow Station of Mechanics, Xiangtan University, Xiangtan 411105, China
As a new joining technology, self-piercing riveting technology has excellent joining properties in the connection of thin sheet materials. The joint quality is affected by the feasibility of the connection and the connection parameters, and the joint quality is mainly characterized by the mechanical properties of the joint, so the joint quality and mechanical properties of self-piercing riveting have become the main research content. With the development of numerical simulation technology, the application of self-piercing riveting connection technology has become a research trend. With the development of numerical simulation technology, the application of self-piercing riveting connection technology has become a research trend. The development of self-piercing riveting numerical simulation technology in recent years is systematically elaborated, starting from the numerical simulation technology of the forming quality of self-piercing riveting joints, and the establishment of the numerical model of self-piercing riveting, the study of the influencing factors of selfpiercing riveting, the optimization of numerical model and the numerical prediction model are explained, and the feasibility of material connection and the influence of connection parameters on joint performance are summarized, the mechanical properties of joints are simulated, and the mechanical strength and fatiguelife of joints are predicted, which provides a new direction for the research and development of self-piercing riveting process.