ИССЛЕДОВАНИЕ ПЛАСТИЧЕСКОЙ ДЕФОРМАЦИИ ДО И НА ПЛОЩАДКЕ ТЕКУЧЕСТИ СТАЛИ 08Г2Б МЕТОДОМ КОРРЕЛЯЦИИ ЦИФРОВЫХ ИЗОБРАЖЕНИЙ. ЧАСТЬ II. ФУНКЦИОНИРОВАНИЕ КАНАЛОВ ТЕЧЕНИЯ И ЗОН В НИХ

Translated title of the contribution: A study of plastic straining of steel 08G2B in front of and on the yield plateau by correlation of digital images. Part II. Functioning of yielding channels and zones in them

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Abstract

Regular features of Luders strain due to appearance and propagation of one Chernov-Luders band (CLB) in superfine-grained steel 08G2B are investigated. Active, relaxation and peripheral zones are distinguished in the source of strain uniting the CLB nucleus; go-ahead-activated yield channels are defined. The functions of the zones are considered. Growth in the dislocation density and in the energy spent in the zones upon motion of the CLB front is evaluated. Mechanisms of appearance of new slip bands in the CLB and of unlocking of dislocations are analyzed.
Translated title of the contributionA study of plastic straining of steel 08G2B in front of and on the yield plateau by correlation of digital images. Part II. Functioning of yielding channels and zones in them
Original languageRussian
Pages (from-to)9-14
Number of pages6
JournalМеталловедение и термическая обработка металлов
Issue number7 (769)
Publication statusPublished - 2019

GRNTI

  • 53.00.00 METALLURGY

Level of Research Output

  • VAK List

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