The near-tip fields of small edge (Case B) cracks in power-law hardening materials are investigated under generalized plane strain, mixed mode, and general yielding conditions by finite element analyses. The results of the J integral from the finite element analyses are used to correlate to a fatigue crack growth criterion for Case B cracks. The trend of constant J contours on the Γ-plane is compared reasonably well with those of the experimental results of constant fatigue life and constant fatigue crack growth rate under multiaxial loading conditions.
Analysis of Small Edge Cracks and Its Implications to Multiaxial Fatigue Theories
Contributed by the Pressure Vessels and Piping Division and presented at the Pressure Vessels and Piping Conference, Boston, Massachusetts, August 1–5, 1999, of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS. Manuscript received by the PVP Division, October 18, 2000; revised manuscript received October 20, 2000. Editor: S. Y. Zamrik.
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Wang, Y., and Pan, J. (October 20, 2000). "Analysis of Small Edge Cracks and Its Implications to Multiaxial Fatigue Theories ." ASME. J. Pressure Vessel Technol. February 2001; 123(1): 2–9. https://doi.org/10.1115/1.1342012
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