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Influence of the pliability of a testing machine on the resistance of metals to deformation in the case of jump-like development of their elastoplastic deformation

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Abstract

We analyze the influence of the stiffness of a testing machine and the loading mode on the mechanical characteristics and resistance of metals to deformation in the case of nonmonotonic development of their elastoplastic deformation caused by cooling to 4.2 K and (or) the action of pulses of electric current. We propose an approach that enables one to reduce the value of a jump of loading caused by the action of a pulse of electric current for an arbitrary loading mode to the maximum possible value (for a constant strain rate and a small amount of elastic energy accumulated by a loading device).

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Authors
  1. L. S. Novogrudskii
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Additional information

Institute of Problems of Strength, National Academy of Sciences of Ukraine, Kiev, Ukraine. Translated from Problemy Prochnosti, No. 3, pp. 125–132, May–June, 2000.

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Novogrudskii, L.S. Influence of the pliability of a testing machine on the resistance of metals to deformation in the case of jump-like development of their elastoplastic deformation. Strength Mater 32, 300–305 (2000). https://doi.org/10.1007/BF02509860

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  • DOI: https://doi.org/10.1007/BF02509860

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