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Математическое моделирование деформационного упрочнения гетерофазных сплавов со второй фазой, имеющей L12 сверхструктуру

Математическое моделирование деформационного упрочнения гетерофазных сплавов со второй фазой, имеющей L12 сверхструктуру

Abstract

В работе представлена модель пластической деформации дисперсно-упрочненных сплавов, основанная на уравнениях баланса деформационных линейных и точечных дефектов с учетом их трансформации в процессе деформации и перехода когерентной фазы в процессе деформации в состояние неперерезаемой скользящими дислокациями в зоне сдвига при различных температурах деформации. Проведено исследование влияния упрочняющих частиц, упорядоченных по типу L 12, а также внешних воздействий на деформационное упрочнение гетерофазных сплавов с частицами. В результате моделирования выявлена температурная аномалия механических свойств сплава с ГЦК матрицей и упрочняющими частицами со сверхструктурой L 12.In work the model of plastic deformation of the disperse strengthened alloys based on the equations of balance of deformation linear and dot defects taking into account their transformation in the course of deformation and transition of a coherent phase in the course of deformation is presented to a state not cut by the sliding dislocations in a shift zone at various temperatures of deformation. Research of influence of the strengthening particles ordered on the L 12 type and also the external impacts on deformation hardening of heterophase alloys with particles is conducted. As a result of modeling temperature anomaly of mechanical properties of an alloy with FCC a matrix and the strengthening particles with superstructure of L 12 is revealed.

Keywords

МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ,ПЛАСТИЧЕСКАЯ ДЕФОРМАЦИЯ,ДИСПЕРСНО-УПРОЧНЕННЫЕ СПЛАВЫ,MATHEMATICAL MODELING,PLASTIC DEFORMATION,THE DISPERSE STRENGTHENED ALLOYS

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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