Conclusions
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1.
With an increase in pure shear deformation rate\(\dot \gamma \) to 105 sec−1 the strength of caprolon increases while the plasticity drops.
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2.
The experimental results indicate a practically similar influence of strain rate on the mechanical properties of caprolon in the temperature controlled and noncontrolled conditions. However, with the same test parameters the temperature controlled caprolon has more stable mechanical properties, which makes it preferable for use in structural elements subject to the action of pulsed loads.
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Literature Cited
S. M. Kokoshvili, Methods of Dynamic Tests of Rigid Polymer Materials [in Russian], Zinatne, Riga (1978).
G. V. Stepanov, The Elastoplastic Deformation of Materials under the Action of Pulsed Loads [in Russian], Naukova Dumka, Kiev (1979).
G. V. Stepanov and V. M. Tokarev, “Tensile tests with rates up to 102 sec−1”, Probl. Prochn., No. 7, 81–84 (1982).
A. P. Vashchenko, “High-velocity shear tests of constructional materials”, ibid., No. 4, 66–69 (1985).
A. P. Vashchenko, G. V. Stepanov, and É. G. Safarov, “The dynamic shear resistance of constructional materials”, ibid., No. 2, 45–47 (1987).
Additional information
Institute of Strength Problems, Academy of Sciences of the Ukrainian SSR, Kiev. Translated from Problemy Prochnosti, No. 2, pp. 53–55, February, 1989.
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Stepanov, G.V., Vashchenko, A.P., Zubov, V.I. et al. Mechanical properties of caprolon in dynamic loading. Strength Mater 21, 199–202 (1989). https://doi.org/10.1007/BF01529636
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DOI: https://doi.org/10.1007/BF01529636