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Исследование влияния восстановительной термовакуумной обработки на микроструктуру лопаток турбины из сплава на основе никеля

Исследование влияния восстановительной термовакуумной обработки на микроструктуру лопаток турбины из сплава на основе никеля

Abstract

Целью данной работы было исследование влияния термообработки направленной на восстановление дефектов микроструктуры образовавшихся в лопатках в процессе работы. Исследовалась морфология упрочняющей фазы, а также выделений карбидов, как на границах, так и в центре зерен. Изучение микроструктуры проводилось на электронном растровом сканирующем микроскопе TESCAN Vega SB. Определение состава фаз осуществлялось с помощью энергодисперсионного детектора микрорентгеноспектрального анализа INCAx-act. Исследования показали, что применение териообработки позволяет уменьшить карбидную неоднородность, устранить грубые выделения интерметаллидных фаз и восстановить размер и равномерное распределение упрочняющей фазы по объему металла

The aim of this work was to study the effect of heat treatment to restore defects of microstructure formed in the blades during operation. Strengthening phase morphology was studied, as well as allocations of carbides, both on the borders and in the center of the grains. Study on the microstructure of electronic raster scanning microscope TESCAN Vega SB. the composition of the phases was carried out using detector INCAx-act analysis. Studies have shown that the use of heat treatment to reduce carbides heterogeneity, eliminate the gross allocation of phases and restore size and uniform distribution of the reinforcing phase in terms of metal

Keywords

ЖАРОПРОЧНОСТЬ, ТЕРМООБРАБОТКА ЛОПАТОК ТУРБИН, ДЕФЕКТЫ МИКРОСТРУКТУРЫ, УПРОЧНЯЮЩЕЙ ФАЗЫ, ВЫДЕЛЕНИЙ КАРБИДОВ

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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