Self-Piercing Riveted Joints

Stronger light-weighting joints

Optimized self-piercing riveting for Al/GF/PP laminates achieves up to 48.8% higher peak lap-shear load than non-optimal configurations and identifies three macroscopic failure modes.

Lin, Yanyan · Wenzhang, Li · Xingchen, Song · Ming, Li · 76003257 · Guoming, Li · Tiansheng, Li · Li, Huaguan

Engineering Failure Analysis 2026

Specifications

Peak lap-shear load

{'zh': '1863.5', 'en': '1863.5'} N

Load improvement

{'zh': '18.7', 'en': '18.7'} %

Load improvement

{'zh': '48.8', 'en': '48.8'} %

Advantages

Up to 48.8% load increase

The optimal parameter set achieves a peak lap-shear load of 1863.5 N, which is 18.7% to 48.8% higher than non-optimal configurations.

Applications

• Fiber metal laminate joining：Provides SPR process window and failure criteria for Al/GF/PP laminates
• Multi-material body joining：Addresses joining difficulties in mixed aluminum-thermoplastic composite body parts
• Lightweight structure assembly：Optimizes joint strength, ensuring reliability while reducing weight