Pyrophoric composition

Details Pyrophoric composition Pyrophoric composition

1987-09-11

1989-11-14

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Coated component

149 3, 149 5, 149 15, 149 17, 149 18, 149 37, 149 44, 428408, C06G 4532

Patent

active

048804835

ABSTRACT:
Very good masking of pack diffusion aluminizing or chromizing on any metal to keep portions from being diffusion coated is effected by localized coating of masking powder, the metal portion of which can have some composition as substrates. Chromizing can be performed before aluminizing for greater effects. Aluminizing of metals like iron and nickel followed by leaching out much of the diffused-in aluminum gives these substrates a pyrophoric and catalytic surface. Foil, wire or powder can be thus activated; very fine activated powder when discharged into the air forms a warm cloud that settles very slowly and decoys heat-seeking missiles.

REFERENCES:
patent: 3959041 (1976-05-01), Knapp
patent: 4349612 (1982-09-01), Baldi
patent: 4508580 (1985-04-01), Klober
patent: 4756778 (1988-07-01), Deitz et al.

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