Contemporary heat-resistant and cast alloys for gas turbine blades

Heat-resistant nickel alloys of heterogeneous systems like the Ni-Co-Cr-W-Mo-Al-Nb system are the main materials used to produce precision cast gas turbine blades. A review of the current trends in the development of Russian heat-resistant alloys of the above kind is presented. Evolution of both all...

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Bibliographic Details
Published in:Metal science and heat treatment 1993-07, Vol.35 (7-8), p.413-417
Main Authors: OREKHOV, N. G, GLEZER, G. M, KULESHOVA, E. A, TOLORAIYA, V. N
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Metals. Metallurgy
Production of alloys
Production of metals
Production of non ferrous metals. Process materials
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Summary:Heat-resistant nickel alloys of heterogeneous systems like the Ni-Co-Cr-W-Mo-Al-Nb system are the main materials used to produce precision cast gas turbine blades. A review of the current trends in the development of Russian heat-resistant alloys of the above kind is presented. Evolution of both alloying and production techniques for these materials are discussed. Dispersion of the strengthening phase in matrix is shown to have a significant effect on mechanical properties of the alloys. Levels of long-term strength in single-crystalline alloys (ZhS30M, ZhS36, ZhS40) and the temperature level of alloys (ZhS6F, ZhS26, ZhS26U, MAPM-200, CM-247) with a directional structure, are discussed.
ISSN:0026-0673
1573-8973
DOI:10.1007/BF00775095