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Prefracture time of gabbro specimens in a damage accumulation model

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Abstract

In the work, we experimentally determined the characteristic prefracture time of gabbro specimens in three-point bending. The obtained prefracture time was used to estimate the parameters in a model of brittle and quasibrittle material. Based on the verified model, numerical modeling was performed to describe the stress-strain evolution in gabbro specimens under three-point bending. The experiment and numerical calculations show that the final deformation stage involves beam deflection in blowup mode.

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Authors and Affiliations

  1. National Research Tomsk State University, Tomsk, 634050, Russia

    P. V. Makarov & M. O. Eremin

  2. Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055, Russia

    P. V. Makarov & M. O. Eremin

  3. Taurida National Vernadsky University, Simferopol, 95007, Russia

    Yu. A. Kostandov

Authors
  1. P. V. Makarov
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  2. M. O. Eremin
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  3. Yu. A. Kostandov
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Correspondence to P. V. Makarov.

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Original Russian Text © P.V. Makarov, M.O. Eremin, Yu.A. Kostandov, 2013, published in Fizicheskaya Mezomekhanika, 2013, Vol. 16, No. 5, pp. 35–40.

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Makarov, P.V., Eremin, M.O. & Kostandov, Y.A. Prefracture time of gabbro specimens in a damage accumulation model. Phys Mesomech 17, 199–203 (2014). https://doi.org/10.1134/S1029959914030047

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  • DOI: https://doi.org/10.1134/S1029959914030047

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