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ABSTRACT
Probabilistic Modeling of Material Variability in Fatigue Crack Growth
Research Officer, Structures and Materials performance Laboratory, Institute for Aerospace Re-search, National Research Council Canada, Ottawa, Canada, K1A 0R6
The International Conference on Computational & Experimental Engineering and Sciences 2007, 1(2), 87-92. https://doi.org/10.3970/icces.2007.001.087
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This paper presents a probabilistic crack growth model developed for the Holistic Structural Integrity Process (HOLSIP) framework. Statistical data, obtained from testing and fractographic analyses of 2024-T3 test coupons, were used to derive the fatigue crack growth material variability. Results showed the relative impact of material variability in the short and long crack regimes. Monte Carlo simulations showed good agreement between analytical life distributions and test results.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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