Abstract
The effect of a hole radius in an elastic layer on a critical external load at the moment of the onset of fracture, determined by the energy criterion, is investigated. A free energy flow through an interaction arc is used as a fracture criterion to describe the dependence of a critical external load on a hole radius. The length of the interaction arc constructed in the vicinity of a free energy peak point is determined using a linear parameter. The introduced linear parameter for a polymethyl methacrylate layer is obtained using known experimental data. The maximum value of the linear parameter can be taken as a material constant.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2023, Vol. 64, No. 5, pp. 159-165. https://doi.org/10.15372/PMTF20230516.
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Glagolev, V.V., Markin, A.A. EFFECT OF A LINEAR PARAMETER ON THE BRITTLE FRACTURE OF AN ELASTIC LAYER WITH A CIRCULAR HOLE. J Appl Mech Tech Phy 64, 871–877 (2023). https://doi.org/10.1134/S0021894423050164
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DOI: https://doi.org/10.1134/S0021894423050164