Method of explosively bonding composite metal structures

Details Method of explosively bonding composite metal structures Method of explosively bonding composite metal structures

1991-12-13

1993-09-07

Rowan, Kurt C.

Metal fusion bonding

Process

Using explosive energy

228109, 228118, B23K 2008

Patent

active

052420981

ABSTRACT:
It is known to form a composite laminar metal structure, wherein two or more overlapping metal plates (11, 12, 21, 22, 23, 31, 32) are metallurgically bonded at their interfaces, impelling the plates (11, 12, 21, 22, 23, 31, 32) together by means of detonating an explosive charge (19), bonding of the plates (11, 12, 21, 22, 23, 31, 32) at selected areas (13) being prevented by covering the plates (11, 12, 21, 22, 23, 31, 32) at the selected ares (13) with a stopping-off material. The present invention improves this by providing metal sheet (14, 24, 34) which is placed in intimate contact with the stopping-off material, the metal sheet (14, 24, 34) being capable of metallurgically bonding to an adjacent metal plate (12, 21, 23, 32) at each selected area (13). The sheet (14, 24, 34) must be sufficiently thick to retain its' profile in the bonding process, and also sufficiently thin to leave an appropriate stand-off distance between itself and the opposing surface of the adjacent metal plate (12, 21, 23, 32) to ensure metallurgical bonding of the metal sheet (14, 24, 34) to the adjacent metal plate (12, 21, 23, 32).

REFERENCES:
patent: 3449819 (1969-06-01), Blank
patent: 3940049 (1976-02-01), Richter et al.
patent: 4361262 (1982-11-01), Israeli
patent: 4549685 (1985-10-01), Paez

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