Journal
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES
Volume 35, Issue 6, Pages 513-522Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1460-2695.2011.01643.x
Keywords
fracture; gigacycle fatigue; model; prediction
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To predict very high cycle fatigue (VHCF) from data of standard monotonic tests the cumulative model of VHCF was elaborated. The model bases on the following assumptions: (1) Fatigue cracks are initiated, if the fraction of plastically dissipated energy corresponding to tensile stresses reaches the threshold; (2) This threshold is the constant for the given initial mechanical properties of alloys, if influence of the phase transformations on these properties is not significant, and the absolute temperatures of deformation are not above of temperatures of beginning recrystallization. The predicted values of VHCF for typical bearing, spring, stainless steels, and typical Ti- and Al-alloys are in satisfied agreements with published values.
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