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Анализ напряжённого состояния в надрезах полукруглого профиля после опережающего поверхностного пластического деформирования сплошных цилиндрических образцов

Анализ напряжённого состояния в надрезах полукруглого профиля после опережающего поверхностного пластического деформирования сплошных цилиндрических образцов

Abstract

Исследуется распределение остаточных напряжений в сплошных поверхностно упрочнённых цилиндрических образцах и образцах с полукруглым надрезом с использованием метода конечных элементов. В качестве исходной информации используется одна и/или две экспериментально определённые компоненты остаточных напряжений в упрочнённом слое. Отмечено, что на перераспределение остаточных напряжений в области концентратора напряжений существенное влияние оказывает отношение радиуса надреза к глубине обнуления осевой компоненты остаточных напряжений.

The distribution of residual stresses of surface hardened solid cylindrical specimens and specimens with a semicircular notch using the finite element method is studied. As the initial information the experimentally determined one and / or two components of residual stresses in a hardened layer are used. It is noted that residual stresses redistribution on the stress concentrator is significantly affected by the ratio of a notch radius to a zero depth of axial component of residual stresses.

Keywords

РАСПРЕДЕЛЕНИЕ ОСТАТОЧНЫХ НАПРЯЖЕНИЙ, ЦИЛИНДРИЧЕСКИЙ ОБРАЗЕЦ, ПОЛУКРУГЛЫЙ НАДРЕЗ, ОПЕРЕЖАЮЩЕЕ УПРОЧНЕНИЕ, МЕТОД КОНЕЧНЫХ ЭЛЕМЕНТОВ

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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
gold