Controlled grain size for ODS iron-base alloys

Details Controlled grain size for ODS iron-base alloys Controlled grain size for ODS iron-base alloys

1991-04-24

1992-12-01

Roy, Upendra

Metal treatment

Process of modifying or maintaining internal physical...

Treating consolidated metal powder, per se

419 67, 419 28, C22C 100, C21D 800

Patent

active

051677288

ABSTRACT:
The process of the invention relates to forming MA iron-base ODS alloys. A billet of iron-base ODS alloy is provided. The billet is consolidated at a temperature within a predetermined range of sufficient temperature for formation of coarse and/or fine grain sizes during a final heat treatment. The consolidated billet is worked into final form. The object is annealed to recrystallize grains to a size determined by the temperature of the consolidation and the working of the extruded billet.

REFERENCES:
patent: 3992161 (1976-11-01), Cairns et al.
patent: 4075010 (1978-02-01), Fischer
patent: 4531981 (1985-07-01), Singer
patent: 4732622 (1988-03-01), Jones
patent: 5032190 (1991-07-01), Suarez et al.

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