A method for determination of minimum sample size required to estimate the fatigue life has been presented. No functional relationship between stress and fatigue life other than log normal and Weibull distribution function of fatigue life has been assumed. The method is based on the analysis of the variance of error which arises due to scattered nature of the fatigue life data. An example of the application of the presented method is also given.
Determination of Minimum Number of Specimens in S-N Testing
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division February 28, 2000. Associate Editor: D. Marquis.
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Gope, P. C. (September 30, 2002). "Determination of Minimum Number of Specimens in S-N Testing ." ASME. J. Eng. Mater. Technol. October 2002; 124(4): 421–427. https://doi.org/10.1115/1.1417486
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