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Laws of fatigue fracture of metallic materials

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Metal Science and Heat Treatment Aims and scope

Abstract

A kinetic criterion of fatigue fracture of metallic materials is suggested and used for showing the existence of a single fatigue curve for cases of soft (with specified load amplitude) and rigid (with specified strain range in a cycle) loading for the stages of crack formation and propagation. The criterion makes it possible to compute the endurance of elements of a structure and levels of accumulated damage in terms of the ultimate accumulated damage for any loading stage including programmed loading (combination of soft and rigid loading, double-frequency and random loading, and loading with temporary holds under load). The criterion is substantiated by numerous experimental data for various metallic structural materials.

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Authors and Affiliations

  1. A. A. Blagonravov Institute for Mechanical Engineering of the Russian Academy of Sciences, Moscow, Russia

    A. N. Romanov

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  1. A. N. Romanov
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 19–27, September, 2006.

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Romanov, A.N. Laws of fatigue fracture of metallic materials. Met Sci Heat Treat 48, 397–404 (2006). https://doi.org/10.1007/s11041-006-0106-y

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  • DOI: https://doi.org/10.1007/s11041-006-0106-y

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