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VERIFICATION OF PERFORMANCE REQUIREMENTS AND TECHNICAL PARAMETERS OF PLASTIC EXPLOSIVES WITH CIVIL AND MILITARY USE
Abstract
Substances that have chemical energy are known under the generic name of explosives. The chemical energy resulting from the decomposition of explosive substances has constituted and will continue to be one of the main forms of energy used in many sectors of the economy as well as in the military field. The technical experience accumulated so far has demonstrated that it is very difficult for a simply characterization of the explosion. Thus, in order to achieve this it is necessary to know the thermo-chemical characteristics (oxygen balance, temperature, explosion heat, gas volume of explosion, specific pressure and energy level), ballistic (detonation speed, sensitivity to transmission of detonation, brisance, working capacity, power in TNT equivalent), physico-chemicals (loading density, humidity, chemical stability) and safety (impact and friction sensitivity, sensitivity to extreme temperatures or heat resistance). The paper highlights the results of the researches undertaken in order to evaluate the technical and functional parameters, specific to plastic explosives with dual use (civil and military). In this regard, in the laboratory for explosives and pyrotechnic articles accredited by Romanian Accreditation Body, a number of relevant tests have been carried out on samples taken from this type of explosive, namely: determination of density according to PI-26 test procedure; determination of impact sensitivity according to PI-84; determination of friction sensitivity according to PI-83; modalities of initiation according to PI-75; determination of sensitivity to the transmission of detonation according to PI-71; determination of brisance by Hess method according to PI-80; The product tested is intended for use for special applications such as main load or buster (load of amplification and transmission of detonation), being a powerful, malleable explosive capable of taking different forms as well as placing on various targets, for performing various requests shockwave. These qualities were also confirmed by the results of the experimental tests carried out using the appropriate INSEMEX testing infrastructure.
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