Method of manufacture of composite laminar metal plate

Metal fusion bonding – Process – Using explosive energy

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228 25, B23K 2008

Patent

active

047564644

ABSTRACT:
An improved method is described for metallurgically bonding a composite metal plate (from which structural transition joints may be cut) wherein an outer layer and a metal interlayer of a different composition are propelled towards a metal base layer by means of the detonation of a layer of explosive disposed adjacent to the outer surface of the outer layer. The interlayer is only 0.25 to 4 mm thick and it is initially disposed at a stand-off distance from the base layer not exceeding 6 mm or 8 times the interlayer thickness. The outer layer has a mass of at least twice the mass of the interlayer and it is initially separated from the interlayer by a stand-off distance which is 0.5 to 10 times the thickness of the outer layer and is at least 3 times the distance between the base layer and the interlayer.

REFERENCES:
patent: 3233312 (1966-02-01), Cowan et al.
patent: 3281930 (1966-11-01), Fordham
patent: 3728780 (1973-04-01), Chang
patent: 4612259 (1986-09-01), Ueda

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