Numerical Simulation of Residual Stresses in a Spot Welded Joint

[+] Author and Article Information
Xin Long, Sanjeev K. Khanna

Department of Mechanical and Aerospace Engineering, University of Missouri-Columbia, Columbia, MO 65211

J. Eng. Mater. Technol 125(2), 222-226 (Apr 04, 2003) (5 pages) doi:10.1115/1.1543968 History: Received December 07, 2001; Revised June 20, 2002; Online April 04, 2003
Copyright © 2003 by ASME
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Grahic Jump Location
The Principal stress (σ1) distribution during spot welding at (a) end of the welding cycle, and (b) end of the holding cycle
Grahic Jump Location
Principal residual stress distribution in the spot weld: (a) principal residual stress σ1; and (b) principal residual stress σ2
Grahic Jump Location
Principal residual stresses distribution at the half thickness of the spot joint
Grahic Jump Location
Residual stresses in spot weld determined by high sensitivity moiré interferometry 7
Grahic Jump Location
(a) Axisymetric mode of spot welding setup (b) Finite element model for spot welding
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The simulated spot nugget shape
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Cross sectional view of the actual spot-weld, the nugget shape is shown by the white boundary




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