A Unified Fatigue Life Calculation Model for Notched Components Based on Elastic-Plastic Fracture Mechanics

Abstract:

Based on Dankert’s et al. [1] initial model for the elastic-plastic evaluation of fatigue crack growth in sheets providing elliptical notches, a generalized procedure enabling an improved evaluation of the effective ranges of the crack driving force (i.e. the J-Integral) as well as the application to arbitrary notched components has been developed [2]. The present paper presents the basic topics of the calculation model as well as its verification using experimental results from notched specimens with various notch shapes subjected to cyclic loading with various load ratios.

• Periodical: Key Engineering Materials (Volumes 348-349)
• Pages: 525-528
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.348-349.525
• Online since: September 2007
• Authors: G. Savaidis, A. Savaidis, O. Hertel, Michael Vormwald
• Keywords: Crack Growth, Fatigue, Fracture Mechanic, Notch

References

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DOI: 10.1520/stp15771s

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