A system of equations is presented for describing the shock-compressed state of polymethylmethacrylate in the approximation of uniaxial deformation. With the use of the Prandtl–Reuss model, the mechanism of transition of the brittle failure of polymethylmethacrylate to the brittle-plastic one at high speeds of the striker and high times of its effect on this mechanism has been determined.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 92, No. 3, pp. 855–859, May–June, 2019.
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Kugotova, A.M., Kunizhev, B.I., Adzhiev, A.K. et al. Analysis of Polymethylmethacrylate Destruction on High-Speed Loading. J Eng Phys Thermophy 92, 829–833 (2019). https://doi.org/10.1007/s10891-019-01992-w
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DOI: https://doi.org/10.1007/s10891-019-01992-w