含CL-20的改性双基推进剂的机械感度

1引言为实现固体推进剂高能化,各国均在大力开展HEDM(高能量密度材料)的开发和应用研究1~3]。在已合成的众多高能量密度材料中,CL-20(六硝基六氮杂异戊兹烷,又称HNIW)以较高的密度比冲、优异的燃烧性能等特征,备受青睐。因此,近些年各国对CL-20单体的合成、表征、热性能、安全

Impact and friction sensitivity of composite modified double base propellant containing hexanitrohexaazaisowurtzitane(CL-20)

The influence of the hexanitrohexaazaisowurtzitane(CL-20) content and combustion catalysts on the impact sensitivity and friction sensitivity of composite modified double base propellant containing CL-20(CL-20-CMDB propellant) was investigated,and these sensitivities of CL-20-CMDB propellants were compared with those of composite modified double base propellant containing 3,4-dinitrofurazanfuroxan(DNTF-CMDB propellant),composite modified double base propellant containing N-guanylureadinitramide(FOX-12-CMDB propellant),several double base(DB) propellants and composite modified double base propellants containing octogen(HMX-CMDB propellant).The results show that the impact sensitivity of CL-20-CMDB propellant is greater than that of DNTF-CMDB propellant and FOX-12-CMDB propellant with similar composition and its friction sensitivity is greater than that of DNTF-CMDB propellant and less than that of FOX-12-CMDB propellant.The impact sensitivity of CL-20-CMDB propellant with over 8% CL-20 is less than that of several DB propellants whereas its friction sensitivity is greater than that of these DB propellants.The impact sensitivity and friction sensitivity of CL-20-CMDB propellant are greater than those of HMX-CMDB propellants when the content of oxidizer in the two propellants is equal.