Activated metal and method of preparing
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United States of America Patent
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Jan 23, 1990
Issued Date -
N/A
app pub date -
Jun 10, 1988
filing date -
Apr 18, 1988
priority date (Note) -
Expired
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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.
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