A method of repairing ferrous metal bodies

Details A method of repairing ferrous metal bodies A method of repairing ferrous metal bodies

1975-12-04

1979-09-25

Simpson, Othell M.

Metal founding

Process

Shaping liquid metal against a forming surface

164 55, 164 92, 228198, 29401A, 29401E, B22D 1910, B23K 2300

Patent

active

041687361

ABSTRACT:
It is known to fill errosion holes in ingot mould bottoms, and other holes in ferrous metal bodies, with metal produced in situ by exothermic reaction. By the present invention, the exothermic composition is used in conjunction with a particulate refractory material. The refractory is bound by a matrix of solidified slag, produced by the reaction, to form a non-metallic filling having a working surface providing a high resistance to thermal shock. A metal phase is produced by the reaction but is merely incidental.

REFERENCES:
patent: 3421570 (1969-01-01), Guntermann
patent: 4005742 (1977-02-01), Kachik et al.

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