Residual stresses in welds, weld distortions
Residual stresses always arise in welded structures, due to the fact that the molten weld
metal contracts as it cools. If the adjacent parts cannot withstand this shrinkage, distor-
tion will result. If this is not the case, then residual stresses will arise in the weld, or a
combination of distortion and residual stresses.
Residual stresses in the weld in the longitudinal direction of the weld often amount to
the yield strength of the material, or to just below it. In the transverse direction, the
stresses in the weld are more dependent on the clamping condition of the parts. The
transverse residual weld stresses are often relatively small, although transverse distor-
tion is substantial. See reference [6] for further information.
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Date: 2023-04-10 hits: 517 Return
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Spot welding( RIHUI Ceramic Welding Backing) 2023-04-10