Coating processes – Solid particles or fibers applied – Applying superposed diverse coatings or coating a coated base
Patent
1995-06-07
1996-08-13
Beck, Shrive
Coating processes
Solid particles or fibers applied
Applying superposed diverse coatings or coating a coated base
427287, 4273768, 4273837, B05D 300, B05D 500
Patent
active
055454313
ABSTRACT:
A rotary seal member, such as a gas turbine engine blade, is provided with an improved surface layer which has an elastic modulus matched with the elastic modulus of a substrate of the member. Also, the surface layer does not form a brittle intermetallic with the substrate at an intended operating temperature. In one form, the surface layer includes abrasive particles adapted to inhibit chemical reaction with the layer material. One specific example is a Ti-alloy substrate having a metallurgically bonded layer based on Nb, and including cubic boron nitride abrasive particles coated with cobalt entrapped in the layer.
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Schell Jerry D.
Singh Jogender
Young William R.
Beck Shrive
General Electric Company
Hess Andrew C.
Narciso David L.
Parker Fred J.
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