Method for the preparation of porous ferrous metal impregnated w

Details Method for the preparation of porous ferrous metal impregnated w Method for the preparation of porous ferrous metal impregnated w

1975-03-25

1976-08-03

Herbert, Jr., Thomas J.

Coating processes

With pretreatment of the base

Heating or drying pretreatment

75 44S, 75 58, 75130A, 264111, 264434, 427329, 427334, 427398, 427431, 427436, 427443, C23C 100

Patent

active

039730611

ABSTRACT:
A composition of matter comprising a mass of ferrous scrap pieces compressed together in random orientation forming a network of interlocking pieces has been prepared. The ferrous metal network has a density of 1.2 to 4.0 g/cc, a porosity of 50% to 85% and a short transverse tensile strength (S.T.T.S.) of at least 2 psi, preferably at least 2.5 psi.
This ferrous metal network may be impregnated with magnesium in amount from 18 to 55% by weight of the impregnated body. The magnesium impregnated body is useful for treating high melting metals such as ferrous metal to reduce the sulphur content or to produce nodular iron.

REFERENCES:
patent: 1491392 (1924-04-01), Graham
patent: 2675308 (1954-04-01), Millis et al.
patent: 2839393 (1958-06-01), Kawabata
patent: 2881068 (1959-04-01), Bergh
patent: 3017267 (1962-01-01), Bartson et al.
patent: 3549541 (1969-08-01), Hohl et al.
patent: 3634066 (1972-01-01), Matthews
patent: 3656989 (1972-04-01), Layland

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