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Mechanical characteristics improvement of spot-welded dissimilar steels in different thickness

Farhangdoust, S ; Sharif University of Technology | 2010

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  1. Type of Document: Article
  2. Publisher: 2010
  3. Abstract:
  4. Resistance spot welding of dissimilar materials especially in different thickness is generally more challenging than that of similar materials due to differences in the physical, chemical and mechanical properties of the base metals. And also when the part is under static and dynamic forces the health of spot-welds is crucial. Hence, the influence of welding parameters such as current, time, applied force and hold time on the shear-tensile load has been investigated in this study. Moreover, in this research the case study is one of the most important body parts of the vehicle which is front wheel house, and effect of above-mentioned parameter on the strength of spot-welds has been established via regression method for this body part. Then effect of parameters on Maximum fracture load was calculated using response optimizer in Minitab v. 15 software
  5. Keywords:
  6. Dissimilar ; Mechanical properties ; Regression ; Resistance spot ; Welding ; Applied forces ; Base metals ; Body parts ; Different thickness ; Dissimilar ; Dissimilar steel ; Effect of parameters ; Fracture load ; Front wheels ; Hold time ; Mechanical characteristics ; MINITAB ; Optimizers ; Regression ; Regression method ; Resistance spot ; Resistance spot welding ; Similar material ; Static and dynamic forces ; Tensile loads ; Welding parameters ; Automobile bodies ; Dissimilar metals ; Mechanical properties ; Regression analysis ; Resistance welding ; Shear flow ; Spot welding ; Stainless steel ; Welds ; Welding
  7. Source: Proc. of the Int. Conf. on Advances in Welding Science and Technology for Construction, Energy and Transportation, AWST 2010, held in Conj. with the 63rd Annual Assembly of IIW 2010, 11 July 2010 through 17 July 2010, Istanbul ; 2010 , Pages 803-810 ; 9786056141911 (ISBN)