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TWO-CRITERION FRACTURE DIAGRAM FOR A PENNY-SHAPED RING-LOADED CRACK

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Abstract

A critical load (force) is estimated for a space with a penny-shaped crack in a case where a concentrated force acts on its faces along the circumference. It is shown that it is impossible to determine the ultimate force with the help of classical fracture criteria, so a structural strength criterion formulated for axisymmetric problems is used. A relationship between fracture toughness and crack size is investigated and a two-criteria fracture diagram is constructed.

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Authors and Affiliations

  1. Emperor Alexander I St. Petersburg State Transport University, 198103, Saint Petersburg, Russia

    V. I. Smirnov

  2. Institute for Problems in Mechanical Engineering, Russian Academy of Sciences, 199178, Saint Petersburg, Russia

    S. A. Atroshenko

Authors
  1. V. I. Smirnov
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  2. S. A. Atroshenko
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Correspondence to S. A. Atroshenko.

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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2021, Vol. 63, No. 4, pp. 164-171. https://doi.org/10.15372/PMTF20220417.

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Smirnov, V.I., Atroshenko, S.A. TWO-CRITERION FRACTURE DIAGRAM FOR A PENNY-SHAPED RING-LOADED CRACK. J Appl Mech Tech Phy 63, 695–701 (2022). https://doi.org/10.1134/S0021894422040174

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  • DOI: https://doi.org/10.1134/S0021894422040174

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