Gaseous decarburizing mixtures of hydrogen, carbon dioxide and a

Details Gaseous decarburizing mixtures of hydrogen, carbon dioxide and a Gaseous decarburizing mixtures of hydrogen, carbon dioxide and a

1982-10-21

1984-05-22

O'Keefe, Veronica

Metal treatment

Compositions

Heat treating

148 165, 148 166, 148 203, C21D 100

Patent

active

044500173

ABSTRACT:
A process for decarburizing ferrous metals and in particular electrical steels such as motor and transformer laminations wherein metal articles are treated at temperature under a furnace atmosphere generated by injecting N.sub.2 --CO.sub.2 --H.sub.2 mixtures or N.sub.2 -methanol-CO.sub.2 mixtures into the furnace.

REFERENCES:
patent: 3098776 (1963-07-01), Elavde
patent: 4139375 (1979-02-01), Solomon et al.
patent: 4285742 (1981-04-01), Bowes et al.

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