Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles
Patent
1990-05-02
1992-06-16
Thibodeau, Paul J.
Specialized metallurgical processes, compositions for use therei
Compositions
Loose particulate mixture containing metal particles
75254, 428323, 428328, 428331, 428402, 428403, B22F 100
Patent
active
051221829
ABSTRACT:
Two constituent powders of a powder blend for thermal spraying are in the form of composite particles containing subparticles of nickel alloy and benoite for clearance control coatings. The composite particles are formed by spray drying. In one embodiment the volume percentage of metal in one constituent powder is at least 25% greater than in the other powder. In another embodiment the difference is about 10% by volume, and the alloy rich constituent has alloy subparticles sufficiently large to act as core particles to which the finer subparticles of bentonite are bonded.
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DelRe Brian A.
Dorfman Mitch R.
Kushner Burton A.
Novinski Edward R.
Rotolico Anthony J.
Forman Mark
Grimes E. T.
Ingham H. S.
The Perkin-Elmer Corporation
Thibodeau Paul J.
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