固体推进剂热分解的高压DSC特征量

CHARACTERISTIC VALUES ON HIGH PRESSURE DSC CURVES FROM THERMAL DECOMPOSITION OF SOLID PROPELLANTS

通过差示扫描量热试验（ＤＳＣ），研究了三种改性双基推进剂及其主要组分ＲＤＸ的热分解，分析了不同压力条件下的分解峰温、峰温差、表观分解热焓以及分解曲线的变化规律。探讨了压力及催化剂对推进剂热分解过程的影响，并与燃速和燃速压力指数进行了初步关联。

Thermal decomposition of three modified double base propellants and their major component RDX were investigated by using high pressure differential scanning calorimeter(DSC).The change of the decomposition peak temperature,the peak tempertures difference,the apparent enthalpy and the curves of decomposition at different pressures were observed. The influence of pressure and the burning catalyst on the process of thermal decomposition were discussed and tentatively correlated with the burning rate and the pressure exponent of burning rate.