Forming Quality and Fatigue Behavior of Self-Piercing Riveted Joints of DP590 and AA6061 Plates

Table 5

Finite element model and setting of related parameters.

Parameter name	Parameter value
Upper plate, lower plate, and rivet	Elastic-plastic
Die, punch, and blank holder	Rigid
Friction	Combined
Velocity of hydraulic press	20 mm/s
Stiffness of die spring	500 N/mm
Initial force of spring	2.0 kN
Temperature of rivet, plate, and die	20°C
Heat transfer coefficient to environment (HTC)