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Деформационное разупрочнение материалов в условиях плоского напряженного состояния

Деформационное разупрочнение материалов в условиях плоского напряженного состояния

Abstract

Questions of experimental investigation of the mechanical behavior of materials on the postcritical deformation stage (strain-softening) are considered in the article. Taking into account of this deformation stage is important for construction survivability estimation. Deformation curves of structural steels under uniaxial tension, torsion and proportional tension with torsion of thin-walled tubular specimens are presented. The tests carried-out on universal biaxial servohydraulic test system Instron 8850.

Рассматриваются вопросы экспериментального изучения механического поведения материалов на стадии закритического деформирования (деформационного разупрочнения). Учет данной стадии деформирования важен для оценки живучести конструкций. Приведены диаграммы деформирования конструкционных сталей при одноосном растяжении, кручении и пропорциональном растяжении с кручением тонкостенных трубчатых образцов. Испытания выполнены на универсальной двухосевой сервогидравлической испытательной системе Instron 8850.

Keywords

ДЕФОРМАЦИОННОЕ РАЗУПРОЧНЕНИЕ, РАСТЯЖЕНИЕ С КРУЧЕНИЕМ, ПЛОСКОЕ НАПРЯЖЕННОЕ СОСТОЯНИЕ, ТОНКОСТЕННЫЙ ТРУБЧАТЫЙ ОБРАЗЕЦ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze