Nickel-aluminum-boron powders prepared by a rapid solidification

Details Nickel-aluminum-boron powders prepared by a rapid solidification Nickel-aluminum-boron powders prepared by a rapid solidification

1982-03-15

1983-04-12

Lewis, Michael L.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

148428, 148442, 420460, 420581, B22F 104

Patent

active

043797202

ABSTRACT:
Nickel-aluminum alloys containing boron in powder form are disclosed. These alloys are subjected to melt-spinning to form a brittle filament consisting in large measure of a metastable solid solution phase. This is then pulverized to powder configuration. Such powders exhibit excellent sprayability to form a dense, homogeneous, hard coating on a metallic substrate. The alloys, also exhibit excellent resistance to high temperature oxidation.

REFERENCES:
patent: 2910356 (1959-10-01), Grala et al.
patent: 3338688 (1967-08-01), Longo
patent: 3856513 (1974-12-01), Chen et al.
patent: 4197146 (1980-04-01), Frischmann
patent: 4290808 (1981-09-01), Ray
Stadelmaier, H., et al. "Die Nickelecke des ternaren Systems Ni-A1-B" Metall, vol. 6, pp. 212-214 (1962).
Schobel, von Joachim, et al.; "Metallspharolithen ion System Nickel-Aluminum-Bor;" Z. Metallkele, pp. 326-328 (1962).

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