Controlled grain size for ODS iron-base alloys
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United States of America Patent
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Dec 1, 1992
Grant Date -
N/A
app pub date -
Apr 24, 1991
filing date -
Apr 24, 1991
priority date (Note) -
Expired
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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.
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