Abradable coating and its method of manufacture

Details Abradable coating and its method of manufacture Abradable coating and its method of manufacture

B - Operations, Transporting

05

D

117/53

B05D 1/10 (2006.01) B05B 7/20 (2006.01) B05B 7/22 (2006.01) C23C 4/12 (2006.01)

Patent

CA 1329064

ABSTRACT OF THE DISCLOSURE A method for forming an abradable composite material and the material so formed. A filler is fed axially into a stream of high-temperature combustion gases such that the filler is entrained in the gaseous stream. The gaseous stream containing the filler is then used to atomize the molten tip of a metal wire which is continuously fed into the gaseous stream. The resultant gaseous stream which contains both the filler and the atomized molten metal is directed to the surface of a target. The filler and the molten metal impact the target and combine to form a substantially continuous metal matrix in which the interstices are filled by the filler. The composite material abrades readily upon frictional contact with a moving part.

610095

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