Aluminum and cobalt coated thermal spray powder

Details Aluminum and cobalt coated thermal spray powder Aluminum and cobalt coated thermal spray powder

1984-04-05

1986-03-25

Stallard, Wayland

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

428557, 428570, 428678, 427 34, 427423, B32B 1500, B32B 1518

Patent

active

045781150

ABSTRACT:
A thermal spray composite is disclosed, comprised of a base constituent formed from at least one of the base metals nickel, iron and cobalt, and at least one of the modifying elements chromium and aluminum, plus individual constituents aluminum, cobalt and, optionally, molybdenum. In a preferred form, the composite is a powder having an alloy core of the base metal and the modifying element, the core having fine particles of the individual elements secured thereto with a binder. The process of thermal spraying the composite is also disclosed, and the resulting coatings have a high degree of high temperature corrosion resistance and tenacity compared to prior art thermal sprayed coatings.

REFERENCES:
patent: 3322515 (1967-05-01), Dittrich et al.
patent: 3841901 (1974-10-01), Novinski et al.
patent: 4019875 (1977-04-01), Dittrich et al.
patent: 4181525 (1980-01-01), Novinski
patent: 4313760 (1982-02-01), Dardi et al.
patent: 4370367 (1983-01-01), Novinski et al.

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