Heat generation

Details Heat generation Heat generation

1986-02-19

1989-01-24

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Coated component

149 2, 1491086, 428182, 428288, 428408, 102505, C06B 4530

Patent

active

047999799

ABSTRACT:
Heating or heat generation in general can be from activated aluminides of molybdenum, zirconium or other similar ignitible metals. Activation is by leaching out some of the aluminum and leaves a product which is highly pyrotechnic but not pyrophoric. Activation of such alloy renders activated surface porous so it car receive impregnants such as lubricants to thus act as a bearing. Pyrotechnic webs for use as decoys against heat-seeking missiles can be folded so that portions interfere with the free radiation of other portions, to thus extend the time the webs remain at high temperature. The folding also improves the trajectory through which the webs fall when discharged into the air. The web can be coated with a thin layer of powdered silica, alumina or zirconia to increase the proportion of its radiation in the 8 to 14 micron range.

REFERENCES:
patent: 4292208 (1981-09-01), Baldi et al.

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