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2017 №04 (05) DOI of Article
10.15407/sem2017.04.06
2017 №04 (01)

Electrometallurgy Today 2017 #04
Electrometallurgy today, 2017, #4, 44-53 pages

Multi-criterion optimization of high-temperature corrosion-resistant nickel-base cast alloy chemical composition applied for turbine blades production by directional method

S.V. Gayduk1, V.V. Kononov1, V.V. Kurenkova2
1Zaporozhye National Technical University. 64 Zhukovsky Str., 69063, Zaporozhye, Ukraine. E-mail: rector@zntu.edu.ua
2LCC «Paton Turbine Technologies». 26 Raketnaya Str. 03028, Kyiv, Ukraine. E-mail: VKurenkova@patontt.com

According to the algorithm of a comprehensive analytical solution method (CASM), a new high-temperature corrosion-resistant nickel-base cast alloy ZMI-ZU-М1 has been developed for manufacture of turbine blades by the method of a directional (mono-) crystallization. The developed alloy is characterized by the corrosion resistance at the level of the industrial corrosion-resistant alloy ZMI-ZU, having the improved high-temperature properties ( = 260 MPa) at the level of the aircraft high-temperature nickel-base cast alloy ZhS26-VI with the directed crystallization. 27 Ref., 11 Tables, 2 Fig.

Key words: high-temperature nickel-base cast alloys; performance parameters; CASM-technique; regression model; regression equation; service properties
 
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