Activated metal and method of preparing

Details Activated metal and method of preparing Activated metal and method of preparing

1988-06-10

1990-01-23

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Coated component

149 15, 149 22, 1491096, 419 8, 419 9, 428550, 428553, C06B 4530

Patent

active

048956090

ABSTRACT:
Metals are made pyrophoric by diffusing aluminum or zinc into them and then leaching it out, or by reacting with aluminum and then leaching aluminum out. Powdered aluminum and powdered nickel, iron or cobalt, can thus be carried on an elongated support web and reacted by heating for a few seconds to a few minutes, after which leaching will provide elongated pyrophoric foil suitable for decoying heat-seeking missile.

REFERENCES:
patent: 4349612 (1982-09-01), Baldi
patent: 4799979 (1989-01-01), Baldi
Paper by Zuhair A. Munir in Ceramic Bulletin, vol. 67, No. 2, 1988, pp. 342-349, it is believed to have been published in Feb. 1988.
Paper by V. I. Itin et al. in Sov. Powd. Met. Ceram., vol. 2, No. 170, pp. 87-90 (1977).
Translation of Pater by V. V. Boldyrev et al. in Doklady Akademii Nauk, SSSR, vol. 259, No. 5, pp. 1127-1129 (1981).
Paper by K. A. Philpot, et al., J. Materials Sc., 22, 159-169 (1987).

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