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Accession Number ADA565275
Title Environmentally Benign Pyrotechnic Delays.
Publication Date Jun 2012
Media Count 8p
Personal Author A. P. Shaw G. Chen J. C. Poret K. D. Oyler L. J. Groven
Abstract Pyrotechnic delays are used in commercial and military items requiring a time delay between two energetic events. For example, US Army hand- held signals (HHS) use a delay element to properly sequence the expulsion of illuminating rounds at the rockets' apex. Many military delay formulations contain barium, lead, chromates, and perchlorates. The US Army is reformulating pyrotechnic items to remove environmentally hazardous materials. In this paper, new environmentally benign formulations are described. The delay time of the new system is easily tunable. These compositions will consistently function in aluminum housings which is generally difficult for delay compositions due to extreme thermal losses that can cause quenching.
Keywords Aluminum
Barium alloys
Delay elements(Explosive)
Energetic properties
Hand held
Hazardous materials
Lead alloys
Thermal properties
Time delay fuzes
Time intervals

Source Agency Non Paid ADAS
NTIS Subject Category 79A - Ammunition, Explosives, & Pyrotechnics
Corporate Author Army Armament Research, Development and Engineering Center, Picatinny Arsenal, NJ. Energetics Warheads and Manufacturing Technology Directorate.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1304
Contract Number N/A

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