Modeling of Slow Plasticity Waves

Ескіз

Дата

2016

ORCID

DOI

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Назва журналу

Номер ISSN

Назва тому

Видавець

NTU "KhPI"

Анотація

Quasi-static uniaxial loading of a bar with a length L is considered. Mechanical properties of a material in a point are defined by the segment of negative slope on stress-strain diagram which follows the section of elastic deformation. The deformation in specimen is uniform until the stress exceeds the peak yielding stress. The analytical solution shows that stress-strain diagram of the specimen has a yielding plateau. It is shown that the time for a slow wave to advance by a distance equal to the localized band width S is the same as it is required for a plastic wave to run along the whole bar length.

Опис

Ключові слова

yielding, hardening, strain softening, localization, luders bands

Бібліографічний опис

Labibov R. R. Modeling of Slow Plasticity Waves / R. R. Labibov, Yu. A. Chernyakov // Nonlinear Dynamics–2016 (ND-KhPI2016) : proceedings of 5th International Conference, dedicated to the 90th anniversary of Academician V. L. Rvachev, September 27-30, 2016 = Нелінійна динаміка–2016 : тези доп. 5-ї Міжнар. конф., 27-30 вересня 2016 р. – Kharkov : NTU "KhPI", 2016. – P. 337-341.

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