Spot Weld Failure Analysis for Accident Reconstruction
940570
03/01/1994
- Event
- Content
- Adequacy of resistance spot welds in low carbon steels in relation to structural integrity can become an issue in the reconstruction of automotive accidents. Because formation of a plug (or button or slug) in a peel test is used as a quality control criterion for welds, it is sometimes assumed conversely that a weld which failed is defective if no plug is present. Spot welds do not necessarily form a plug when fractured. Fracture behavior of spot welds both by overload and fatigue is reviewed. Then techniques for examination of field failures are discussed. Finally two case histories are discussed.
- Pages
- 11
- Citation
- Garber, R., Chen, H., and Guenther, D., "Spot Weld Failure Analysis for Accident Reconstruction," SAE Technical Paper 940570, 1994, https://doi.org/10.4271/940570.