Finite Element Analyses of Stress Intensity Factor Solutions for Discontinuous Gas Metal Arc Welds under Lap-Shear Loading Conditions

Paper #:
  • 2017-01-0475

Published:
  • 2017-03-28
Abstract:
The mode I and mode II stress intensity factor solutions for the pre-existing cracks near continuous and discontinuous gas metal arc welds in lap-shear specimens are investigated. Two-dimensional, plane strain finite element analyses were carried out in order to obtain the computational stress intensity factor solutions for the idealized and realistic weld geometries as the references. Then the stress intensity factor solutions for continuous and discontinuous welds were obtained by three-dimensional finite element analyses. The computational results indicate that the distributions of the mode I and mode II stress intensity factor solutions for the discontinuous weld are quite different from those for the continuous weld.
Also in:
  • SAE International Journal of Materials and Manufacturing - V126-5EJ
  • SAE International Journal of Materials and Manufacturing - V126-5
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