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Физические аспекты формирования высокопрочного состояния дисперсионно-упрочняемых сплавов при интенсивной пластической деформации кручением

Физические аспекты формирования высокопрочного состояния дисперсионно-упрочняемых сплавов при интенсивной пластической деформации кручением

Abstract

В работе исследуется влияние неравновесных фазовых превращений при интенсивной пластической деформации кручением под высоким давлением на свойства дисперсионно-упрочняемых материалов в состоянии пересыщенного твердого раствора на примере сплава Cu-1Cr-0.7Al-0.2Zr. Показано, что в ходе интенсивной пластической деформации кручением под высоким давлением происходит выделение частиц вторых фаз, что влияет на кинетику последующего старения. Обсуждаются возможные механизмы взаимодействия частиц вторых фаз и дефектной структуры.

The influence of nonequilibrium phase transformations under high pressure torsion on the properties of particle reinforced materials in a supersaturated solid solution state is studied using alloy Cu-1Cr-0.7Al-0.2Zr as an example. It is shown that high pressure torsion causes the precipitation of second-phase particles, which affects the subsequent aging kinetics. Possible mechanisms of interaction between second-phase particles and defect structure are discussed.

Keywords

УЛЬТРАМЕЛКОЗЕРНИСТАЯ СТРУКТУРА, МЕДНЫЙ СПЛАВ, ЧАСТИЦЫ ВТОРЫХ ФАЗ, ИНТЕНСИВНАЯ ПЛАСТИЧЕСКАЯ ДЕФОРМАЦИЯ КРУЧЕНИЕМ ПОД ВЫСОКИМ ДАВЛЕНИЕМ

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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