Abstract
The results of experimental studies of elastoplastic deformation in structural materials of different grades in a complex state of stress at low temperatures are analyzed. It is shown that the degree of the effect of temperature and force conditions on the character of materials’ strain hardening at low temperature depends on their nature and structural state. The principal hypotheses and postulates that form the basis of the modern plasticity theories are examined for low temperatures. Two new models are introduced to describe the elastoplastic deformation of quasi-brittle and metastable materials under the simple loading with consideration for the effect of low temperatures on their structural state and mechanical properties.
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Lebedev, A.A., Koval’chuk, B.I. Effect of low temperature on plastic deformation in structural materials in a complex state of stress. J Eng Math 78, 99–110 (2013). https://doi.org/10.1007/s10665-011-9510-4
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DOI: https://doi.org/10.1007/s10665-011-9510-4