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A comparative evaluation of the cyclic strength of 15Kh2NMFAA steel on the basis of strain and energy approaches

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Abstract

A comparison is made of the cyclic strength of 15Kh2NMFAA steel in three conditions, namely, normal, with increased brittleness, and with increased plasticity. Evaluation on the basis of the strain approach in the form of curves of the ranges of total strain Δεt vs the number of cycles until the occurrence of a crack Ni revealed different locations and slopes for different conditions of the steel. The energy criteria, namely, the energy of full deformation per cycle ΔWt and the total energy of full deformation Wt, have a generalized character and the experimental results form a common file for the three conditions of 15Kh2NMFAA steel.

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Authors and Affiliations

  1. Central Scientific-Research Institute for Machine Building Technology, Scientific and Production Union, Moscow

    A. G. Mazepa

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  1. A. G. Mazepa
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Translated from Problemy Prochnosti, No. 3, pp. 21–27, March, 1994.

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Mazepa, A.G. A comparative evaluation of the cyclic strength of 15Kh2NMFAA steel on the basis of strain and energy approaches. Strength Mater 26, 181–186 (1994). https://doi.org/10.1007/BF02209392

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  • DOI: https://doi.org/10.1007/BF02209392

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