One-stage process of chromoaluminizing of gas turbine blades by the method of circulation
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The conditions of simultaneous mass transfer of chromium and aluminum to the surface of high-temperature alloy subjected to one-stage chromoaluminizing are determined. It is shown that the quality of such refractory coatings can be improved. The methods preventing formation of oxide inclusions in the coatings are determined. Results of comparative high-temperature strength tests of specimens after circulation and powder chromoaluminizing are presented.
Keywordshigh-temperature alloys chromoaluminizing structure of coating
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- 1.B. N. Arzamasov, A. K. Belyavskii, A. V. Logunov, et al., “Circulation method for depositing diffusion coatings on parts of gas turbine engines and prospects of its development,” Vestn. Mashinostr., 11, 43 – 48 (1991).Google Scholar
- 2.V. N. Simonov, N. V. Abraimov, Yu. P. Shkretov, et al., “Chromoaluminizing of cooled blades of gas turbines by circulation method,” Metalloved. Term. Obrab. Met., No. 7, 36 – 39 (2007).Google Scholar
- 3.P. T. Kolomytsev, High-Temperature Protective Coatings for Nickel Alloys [in Russian], Metallurgiya, Moscow (1991).Google Scholar
- 4.N. A. Vatolin, G. K. Moiseev, and B. G. Trusov, Thermodynamic Simulation in High-Temperature Inorganic Systems [in Russian], Metallurgiya, Moscow (1994).Google Scholar