FATIGUE FAILURE AND TESTING METHODS - Theseus

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methods and statistical analysis of fatigue test results. ... quired to cause failure. Fatigue life can be separated into three stages where: N f = N i +N p (1) Fatigue Failure and Testing Methods 6 2.2.1 Crack initiation (N i) This is the number of cycles required to initiate a crack. It generally results from dislo-

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