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Modeling of the process of low-temperature jumplike deformation of metals

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Strength of Materials Aims and scope

A nonlinear model of the process of low-temperature discontinuous yielding of metals has been constructed, which allows the totality of strain jumps to be described as a function of the mechanical properties of material and dynamic characteristics of the loading system. The adequacy of the model has been experimentally verified for austenitic steel and an aluminum alloy.

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Notes

  1. In the case where the P 0 values in the maximum load region of the deformation curve do not practically change, which is valid for the materials that are plastic at cryogenic temperatures.

  2. This is temperature increment at the jump occurring approximately in the middle of deformation curve.

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Authors and Affiliations

  1. Pisarenko Institute of Problems of Strength, National Academy of Sciences of Ukraine, Kiev, Ukraine

    E. V. Vorob’ev & T. V. Anpilogova

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  1. E. V. Vorob’ev
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  2. T. V. Anpilogova
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Translated from Problemy Prochnosti, No. 1, pp. 109 – 121, January – February, 2011.

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Vorob’ev, E.V., Anpilogova, T.V. Modeling of the process of low-temperature jumplike deformation of metals. Strength Mater 43, 77–86 (2011). https://doi.org/10.1007/s11223-011-9270-4

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  • DOI: https://doi.org/10.1007/s11223-011-9270-4

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