In fabrication process, plasma-sprayed ceramic coats bonded strongly to smooth metallic surfaces. Principal use of such coats in protecting metal parts in hot-gas paths of advanced gas turbine engines. Process consists of application of initial thin layer of ceramic on smooth surface by low-pressure-plasma spraying followed by application of layer of conventional, low-thermal-conductivity atmospheric-pressure plasma-sprayed ceramic.
Plasma-Spraying Ceramics Onto Smooth Metallic Substrates
NASA Tech Briefs ; 17 , 4
1992-04-01
Miscellaneous
No indication
English
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