By National Research Council, Division on Engineering and Physical Sciences, Board on Manufacturing and Engineering Design, Committee on Advanced Energetic Materials and Manufacturing Technologies
Complicated lively fabrics - explosive fill and propellants - are a severe expertise for nationwide safeguard. whereas a number of new promising strategies and formulations have emerged in recent times, the dept of safeguard is worried concerning the nation's skill to keep up and increase the data base during this sector. to help in addressing those matters, workplaces inside DOD requested the NRC to enquire and check the scope and well-being of the U.S. R&D efforts in lively fabrics. This record offers that evaluate. It provides a number of findings in regards to the present R&D attempt and suggestions aimed toward enhancing U.S. services in constructing new full of life fabrics expertise. This learn reviewed U.S. study and improvement in complicated energetics being carried out through DoD, the DoE nationwide laboratories, industries, and academia, from a listing supplied by means of the sponsors. It additionally: reviewed papers and know-how checks of non-U.S. paintings in complex energetics, assessed very important parameters, akin to validity, viability, and the possibility that every of those fabrics should be produced in volume; pointed out obstacles to scale-up and construction, and urged technical methods for addressing capability difficulties; and, instructed particular possibilities, concepts, and priorities for presidency sponsorship of applied sciences and production technique improvement.
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Extra resources for Advanced Energetic Materials
2001. Presentation to the committee. October 25. K. Kim, DTRA. 2001. Presentation to the committee. December 13. A. Kesby, UK DERA. 2001. Presentation to the committee. December 13. 16 TLFeBOOK THERMOBARIC EXPLOSIVES 17 While the Russian military identifies its weapons systems as thermobarics, the Russian scientific community refers to these materials as low-density explosives, or metallized volumetric explosives. Studies of thermobaric systems in the West date to about 1988 and were driven primarily by interest from the intelligence communities and by efforts to exploit foreign technology.
A reactive fragment initially delivers its energy to a very small area of a target, perforating or penetrating the intended target. However, the reactive fragment must hit a component of the target for the ignition of the reactive materials of the fragment and the initiation of subsequent reactions, either with itself or with parts of the target. Experimental firings against soft targets have shown enhanced blast damage, greatly increased observable external rupture damage, and potentially increased lethality when compared with conventional fragment performance.
Moreover, a number of reactive systems are potentially useful. Those under consideration include thermites, intermetallics, metal-polymer mixtures, metastable intermolecular composites (MICs), matrix materials, and hydrides. FINDINGS AND RECOMMENDATIONS Findings With regard to reactive materials, the committee found that— 7 Reactive materials research and characterization are in an early state of exploration and development. Most experimental demonstrations of weapon effects from reactive materials have shown more extensive, externally visible target damage when compared with damage caused by inert fragments under similar conditions.
Advanced Energetic Materials by National Research Council, Division on Engineering and Physical Sciences, Board on Manufacturing and Engineering Design, Committee on Advanced Energetic Materials and Manufacturing Technologies