Abstract
Analytical methods are used to investigate the effect of residual stresses on fatigue crack propagation. Three cases are examined the first of which would be a typical weld related residual stress distribution throughout the body of a plate while in the second example the near surface conditions of a plate are altered by shot peening. In the third case the shot peening is superimposed on the weld related stress distribution.
The most significant finding is: that the tip of the propagation fatigue crack always remains in the stress domain in which it has originated. Thus a compressive residual stress domain at the surface not only retards the crack initiation but beneficially influences the crack propagation as well and therefore the effect of near surface stress conditions are much better understood.
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© 1992 Elsevier Science Publishers Ltd
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Wu, S., Lin, Y., Abel, A. (1992). Redistribution of Residual Stresses During Fatigue. In: Rie, KT., et al. Low Cycle Fatigue and Elasto-Plastic Behaviour of Materials—3. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2860-5_9
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DOI: https://doi.org/10.1007/978-94-011-2860-5_9
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-5269-6
Online ISBN: 978-94-011-2860-5
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