METHOD OF PRODUCING ARTICLES FROM COMPLEX ALLOY REFRACTORY NICKEL ALLOYS Russian patent published in 2012 - IPC B22F3/15 C22F1/10 

Abstract RU 2457924 C1

FIELD: process engineering.

SUBSTANCE: invention relates to powder metallurgy and may be used for production of gas turbine engine parts operated at heavy loads. Proposed method comprises hot isostatic moulding, quenching and aging. Hot isostatic molding and quenching are carried out for 2-8 h at temperature 2-20°C higher than Solvus temperature, cooling rate in quenching of over 20°C/min. Aging is performed in two stages at 850-890°C and 740-780°C.

EFFECT: longer life and reliability of articles.

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RU 2 457 924 C1

Authors

Garibov Genrikh Sarkisovich

Grits Nina Mikhajlovna

Vostrikov Aleksej Vladimirovich

Fedorenko Elizaveta Aleksandrovna

Dates

2012-08-10Published

2011-06-27Filed