Abstract
An explanation is proposed for a specific feature in the general scenario of the destruction of non-brittle polymers under the action of a shock wave induced by a high-power electron beam found in several experiments. The remoteness of the cracking region to a finite depth from the surface of the irradiated material is related to the 3D propagation of elastic waves. The universality of the effect is demonstrated on the simplest isotropic model, which shows that high tensile stresses are efficiently generated inside the target at sufficiently large transverse and longitudinal dimensions even with disregard of nonlinear and shear processes.
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Notes
Evidently, absorbed electrons have momentum but the effect of momentum is negligible owing to the smallness of electron mass.
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This work was supported by the National Research Center “Kurchatov Institute” (order no. 2073, October 9, 2020).
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Translated by A. Chikishev
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Gurevich, M.I., Kazakov, E.D., Kalinin, Y.G. et al. On the Destruction of Elastic Polymers under Electron Beam Irradiation. Tech. Phys. 67, 581–587 (2022). https://doi.org/10.1134/S1063784222080047
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DOI: https://doi.org/10.1134/S1063784222080047