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Study of the connection between metal fatigue endurance and the level of cyclic ine lastic strain

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Strength of Materials Aims and scope

Conclusions

  1. 1.

    For the materials tested the magnitude of inelastic strain per cycle in the stabilization stage of the inelastic strain process is a characteristic of the intensity of the fatigue damage accumulation in individual testpieces under identical loading conditions, characterized by stress amplitude.

  2. 2.

    It has been shown on the basis of mathematical statistical methods that scatter in endurance values of the relatively linear regression equation in coordinates logΔε-log Nf is essentially less than for the regression equation in coordinates σ-log Nf, and may be used to increase the forecasting accuracy for longterm endurance of materials and constructional elements.

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Literature Cited

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Authors
  1. V. T. Troshchenko
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  2. Yu. I. Koval'
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  3. G. V. Tsybanev
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Additional information

Institute of Strength Problems, Academy of Sciences of the Ukrainian SSR, Kiev. Translated from Problemy Prochnosti, No. 11, pp. 9–14, November, 1977.

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Troshchenko, V.T., Koval', Y.I. & Tsybanev, G.V. Study of the connection between metal fatigue endurance and the level of cyclic ine lastic strain. Strength Mater 9, 1291–1295 (1977). https://doi.org/10.1007/BF01528849

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  • DOI: https://doi.org/10.1007/BF01528849

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