Oxides dispersion steel and making process thereof

Details Oxides dispersion steel and making process thereof Oxides dispersion steel and making process thereof

1999-09-02

2000-10-10

Mai, Ngoclan

Metal treatment

Stock

Ferrous

148328, 148540, 420 8, C22C 3800

Patent

active

061297917

ABSTRACT:
In carbon steel, oxides with grain diameter of 1 .mu.m or less and with grain spacing of 6 .mu.m or less are dispersed to suppress growth of .gamma. grains by heating at .gamma. region temperature.

REFERENCES:
patent: 4881990 (1989-11-01), Pielet et al.
patent: 5690753 (1997-11-01), Kawauchi et al.
patent: 5705124 (1998-01-01), Ochi et al.
patent: 5985053 (1999-11-01), Hara et al.

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