Influence of directional crystallization parameters on the structure of the intermetallic nickel alloy VIN4M-VI when casting single-crystal blanks of nozzle blades

Visik E.M., Koljadov E.V., Kuzmina N.A.
UDC
669.017.165
DOI
10.18577/2307-6046-2023-0-9-3-15
Article PDF (Russian) (1.1 MB)
How to cite
Visik E.M., Koljadov E.V., Kuzmina N.A. Influence of directional crystallization parameters on the structure of the intermetallic nickel alloy VIN4M-VI when casting single-crystal blanks of nozzle blades // Proceedings of VIAM. 2023. No. 9. DOI: 10.18577/2307-6046-2023-0-9-3-15. URL: https://test.viam.ru/en/journal/2023/9/1
Keywords
intermetallic nickel alloys, directional crystallization, installations for single-crystal casting, single-crystal nozzle blades, microstructure
Abstract

The directions of the development of casting blocks for casting small-sized blanks of nozzle blades at the UVNK-9A installation and the influence of the conditions of the technological process of directed crystallization on the formation of the single-crystal structure of the intermetallic alloy VIN4M-VI of KGO [001] are considered. The results of X-ray diffraction and metallographic studies of blanks of nozzle blades made of nickel alloy VIN4M-VI are presented, confirming the possibility of obtaining a single-crystal structure in them KGO [001], and the results of testing this alloy in pilot and serial production.

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