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Weibull Model Development For Fatigue Crack Growth, Bobby Day, Tarun Goswami
Weibull Model Development For Fatigue Crack Growth, Bobby Day, Tarun Goswami
Biomedical, Industrial & Human Factors Engineering Faculty Publications
This effort is an attempt to "Weibullize" fatigue crack growth rate data as a function of stress intensity range (ΔΚ). It is not a classical Weibull application in that it does not address a population but rather treats rate of crack growth as a fraction of the highest rate of crack growth rate in the data set (usually the final data point of the set) as the "failed fraction of a population." All da/dN values are converted to a percentage or fraction of the 100% data value, processed into a linear relationship and plotted against the natural log of the …