An Experimental Study on Static and Fatigue Strengths of Resistance Spot Welds with Stack-up of Advanced High Strength Steels and Adhesive

Paper #:
  • 2016-01-0389

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0389
Citation:
Guo, M., Bhandarkar, R., Zhang, W., Chen, G. et al., "An Experimental Study on Static and Fatigue Strengths of Resistance Spot Welds with Stack-up of Advanced High Strength Steels and Adhesive," SAE Technical Paper 2016-01-0389, 2016, doi:10.4271/2016-01-0389.
Pages:
9
Abstract:
This paper describes static and fatigue behavior of resistance spot welds with the stack-up of conventional mild and advanced high strength steels, with and without adhesive, based on a set of lap shear and coach peel coupon tests. The coupons were fabricated following specified spot welding and adhesive schedules. The effects of similar and dissimilar steel grade sheet combinations in the joint configuration have been taken into account. Tensile strength of the steels used for the coupons, both as-received and after baked, and cross-section microstructure photographs are included. The spot weld SN relations between this study and the study by Auto/Steel Partnership are compared and discussed.
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