A model for critical crack size estimation in fatigue failure of gun barrels

W. J. Padgett and S. D. Durham

Naval Research Logistics (NRL), 1989, vol. 36, issue 2, 139-145

Abstract: With repeated firing, fatigue cracks are produced in a gun barrel, and the barrel is no longer useful when a crack reaches a critical size. The initial crack size and the critical crack size, as well as the number of firings producing the critical crack size, may be considered as random variables. Assuming a proportional damage model for crack growth, a method for estimating the critical crack size distribution is presented. From these results, an estimate of the barrel life, or the residual barrel life once a crack of a given size is measured, can be obtained.

Date: 1989
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https://doi.org/10.1002/1520-6750(198904)36:23.0.CO;2-Y

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Persistent link: https://EconPapers.repec.org/RePEc:wly:navres:v:36:y:1989:i:2:p:139-145

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