Dispersion strengthened metals

Details Dispersion strengthened metals Dispersion strengthened metals

1979-04-09

1981-06-23

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75206, 75213, B22F 300

Patent

active

042748739

ABSTRACT:
A process for dispersion strengthening metal alloys comprising the steps of separating metal powder particles larger than about 180 microns, flattening the particles to provide flake particles having a thickness less than 180 microns, and then internally oxidizing the flake particles. The flaked particles can be combined and consolidated with atomized particles less than about 180 microns on a 20% to 80% and preferably 40% to 60% weight basis to provide improved dispersion strengthened metal products.

REFERENCES:
patent: 3709667 (1973-01-01), Selman
patent: 3741748 (1973-06-01), Fustukian
patent: 3776704 (1973-12-01), Benjamin
patent: 3976482 (1976-08-01), Larson
patent: 4141727 (1979-02-01), Shida

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