It is now generally accepted practice to apply coatings to the surfaces of aero engine components when protection is required against various forms of surface degradation. The coated materials then function together as a degradation resistant composite system. Coatings are used on components in the compressor, combustion chamber and turbine engine sections. In addition to their use as surface protection systems, coatings are also used for sealing (clearance control) applications in the compressor and turbine. The principal thermal spray coatings processes used in aero engine applications are outlined with particular reference to high velocity combustion and plasma spray techniques. The use of coatings for wear resistance, clearance control, environmental degradation resistance and thermal barrier applications are described.
Applications of thermally sprayed coating systems in aero engines
Anwendungen thermisch gespritzter Beschichtungssysteme in Flugzeugtriebwerken
The 12th Int. Conf. on Thermal Spraying, The Welding Institute ; 1 , Jun ; P-13
1989
13 Seiten, 8 Bilder, 4 Tabellen, 16 Quellen
Conference paper
English
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