Process for producing porous cast iron

Details Process for producing porous cast iron Process for producing porous cast iron

1977-06-21

1979-11-06

Dean, R.

Metal treatment

Compositions

Heat treating

148138, 148 35, 75 20F, 75123CB, 75129, C21D 148

Patent

active

041735005

ABSTRACT:
A process for producing porous cast iron, wherein cast iron having flake graphite structure is subjected to heat treatment in a high temperature gas atmosphere in which the iron component of the cast iron base is not subjected to oxidation and on the other hand the flake graphite is subjected to oxidation, whereby the flake graphite disappears from the cast iron to form pores therein.

REFERENCES:
patent: 2435946 (1948-02-01), Robiette et al.
patent: 2892745 (1959-06-01), Kawasaki
patent: 3116179 (1963-12-01), Carpenter et al.

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