Energy characteristics of initiation of explosion

Detonation characteristics of powerful insensitive explosives

“…Explosives with ultimate values of detonation velocity, heat of explosion, and power will be thermally unstable, highly sensitive, and are therefore of no practical interest. Thus, the results of [4,5] lead to the conclusion that at present, the possibilities of increasing the power of organic explosives by pumping energy into their molecules are almost exhausted.…”

“…It has also been found that the limiting heat of explosion is Q max ≈ 2050 cal/g [5]. Explosives with ultimate values of detonation velocity, heat of explosion, and power will be thermally unstable, highly sensitive, and are therefore of no practical interest.…”

“…As can be seen from Table 2, the maximum heat of explosion Q max of explosives with a high hydrogen content is insignificant. In [5], it is noted that the value of Q max is very close (though not equal) to the thermal effect of reaction in unit volume of the explosive before the beginning of expansion of detonation products and is calculated from the enthalpy of formation and chemical composition of the explosive. In addition, the quantitative correlation between the quantities p cr and Q max examined in [5,7] shows that the impact sensitivity of solid explosives is the lower the lower the heat of explosion.…”

“…Therefore, the possibilities of this class of compounds have not been exhausted, and one might expect the synthesis of new energetic substances close in properties to HNIW. It is only necessary to bear in mind that excessive pumping of energy into such compounds and the corresponding increase in the enthalpy of formation may be accompanied by an increase in sensitivity and a reduction in safety [5].…”

“…In other words, it is this compound, rather than HNIW, that should be considered the most powerful explosive today. At the same time, this substance is very sensitive [5]. In fact, it is a primary explosive.…”