Method of repairing large castings

Details Method of repairing large castings Method of repairing large castings

1974-10-25

1976-03-09

Shore, R. J.

Metal founding

Process

Shaping liquid metal against a forming surface

164 92, B23K 2300

Patent

active

039425789

ABSTRACT:
A method of repairing large castings, such as ingot molds and mold stools, by employing an aluminothermic reduction reaction. The resultant repaired article has a metallurgically bonded plug in the crack, hole, break, or eroded surface. An alternative repair method of big-end-up ingot molds is disclosed which comprises forming a ceramic lining on the bottom of the mold.

REFERENCES:
patent: 3264696 (1966-08-01), Funk
patent: 3396776 (1968-08-01), Funk
patent: 3421570 (1969-01-01), Guntermann
patent: 3633866 (1972-01-01), Funk
patent: 3856076 (1974-12-01), Adams et al.

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