Change of structural and phase condition of heat resisting deformable nickel alloy at alloying tantalum and rhenium

Chabina E.B., Lomberg B.S., Filonova E.V., Ovsepyan S.V., Bakradze M.M.
UDC
669.018.44:669.245
DOI
10.18577/2307-6046-2015-0-9-3-3
Article PDF (Russian) (806.45 KB)
How to cite
Chabina E.B., Lomberg B.S., Filonova E.V., Ovsepyan S.V., Bakradze M.M. Change of structural and phase condition of heat resisting deformable nickel alloy at alloying tantalum and rhenium // Proceedings of VIAM. 2015. No. 9. DOI: 10.18577/2307-6046-2015-0-9-3-3. URL: https://test.viam.ru/en/journal/2015/9/3
Abstract

Change of structural and phase condition of heat resisting deformable nickel alloy for disks of the turbines ЭК151 is investigated at additional alloying by rhenium and tantalum. It is established that the alloying rhenium of alloy ЭК151 leads to essential decrease in diffusion activity of principal alloying elements and additional solid solution strengthening. The alloying of alloy ЭК151 tantalum increases quantity of strengthening γ'-phase, promotes forming more thermodynamic steady carbides and particles of γ'-phase.

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