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IssuesArchive of Issues2020-3pp.387-395

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L.V. Agamirov and V.A. Vestyak, "Statistical Estimation of Fatigue Resistance for Parts Using the Theory of Fatigue Failure Similarity," Mech. Solids. 55 (3), 387-395 (2020)
Year 2020 Volume 55 Number 3 Pages 387-395
DOI 10.3103/S0025654420030024
Title Statistical Estimation of Fatigue Resistance for Parts Using the Theory of Fatigue Failure Similarity
Author(s) L.V. Agamirov (National Research University "Moscow Power Engineering Institute," Moscow, 111250 Russia, itno_agamirov@mail.ru)
V.A. Vestyak (Moscow Aviation Institute (National Research University), Moscow, 125080 Russia, kaf311@yandex.ru)
Abstract The problems on determining the design fatigue resistance characteristics of materials and structural elements by using methods of the statistical theory of fatigue failure similarity are considered. The results of vast number of fatigue tests conducted by various researchers and research and production enterprises for samples of different sizes, models and full-scale parts have been subjected to statistical analysis. In order to justify the similarity criterion for fatigue failure in a wide range of durability and fracture probabilities, we have obtained correcting relations that allow us to estimate the characteristics of fatigue failure resistance on the basis of the median fatigue curve of standard samples and reference parameters of the similarity theory without the need to test full-scale structural elements.
Keywords statistical theory of similarity, similarity criterion for fatigue failure, fatigue tests, statistical analysis, fatigue curve, durability, endurance limit
Received 11 December 2019Revised 20 December 2019Accepted 29 December 2019
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