ИССЛЕДОВАНИЕ ПЛАСТИЧЕСКОЙ ДЕФОРМАЦИИ ДО И НА ПЛОЩАДКЕ ТЕКУЧЕСТИ СТАЛИ 08Г2Б МЕТОДОМ КОРРЕЛЯЦИИ ЦИФРОВЫХ ИЗОБРАЖЕНИЙ. ЧАСТЬ I. ФОРМИРОВАНИЕ ПЛАСТИЧЕСКОЙ И УПРУГОЙ ВОЛН ДЕФОРМАЦИИ

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 1. Formation of plastic and elastic strain waves

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Abstract

Special features of plastic flow during tensile deformation of specimens of superfine-grained steel 08G2B susceptible to strain aging are studied by the method of correlation of digital images. The steel is heat treated by heating to 250°C with 30-min hold, air cooling, heating to 680°C without a hold, and air cooling. Standard flat specimens are tested for the tensile strength at a constant deformation rate. It is shown that the Luders strain in the tensile specimens is concentrated in the flow channels formed in the stage of macroelastic strain and related genetically to maximums of the standing elastic wave.
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 1. Formation of plastic and elastic strain waves
Original languageRussian
Pages (from-to)9-14
Number of pages6
JournalМеталловедение и термическая обработка металлов
Issue number5
Publication statusPublished - 2019

GRNTI

  • 53.00.00 METALLURGY

Level of Research Output

  • VAK List

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