Abstract
ABSTRACTSpot weld pull-out failures (PFs) on mild steel and stainless steel joints were investigated under different loading conditions using lap-shear test, cross-tension (KSII) test and coach-peel test. Regardless of the joint type, joints tested with lap-shear test showed the highest weld strength followed by KSII and coach-peel tests, respectively, for the same welding current. Analyses with experimental samples and finite element analysis showed that PFs due to different loading conditions were governed by either tensile stress, shear stress or bending stress. The tendency to fail via weld PF increased from welds tested with KSII test, coach-peel test and lap-shear test for similar steel joints within a range of welding currents. This study also showed that the weld diameters for PF depend on the joint type as well as loading conditions and did not conform to the recommended weld diameters by the automotive standards.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
