Dispersion strengthened metals

Details Dispersion strengthened metals Dispersion strengthened metals

1980-05-02

1982-02-16

Stallard, W. W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05C, B22F 900

Patent

active

043157700

ABSTRACT:
A process for dispersion strengthening of atomized alloy particles by internal oxidation is substantially improved by providing atomized particles substantially free of oxide surface film to enhance the efficiency of the internal oxidation step. The atomized alloy particles can be produced by dry collection to prevent oxide film formation, or alternatively, the oxide surface film can be removed by mechanical action removal or by chemical leaching.

REFERENCES:
patent: 3552954 (1971-01-01), McDonald, Jr.
patent: 3740210 (1973-06-01), Bomford et al.
patent: 3779714 (1973-12-01), Nadkarni et al.
patent: 3893844 (1975-07-01), Nadkarni

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