Effects of Nano-Hmx on the Properties of RDX-CMDB Propellant: Higher Energy and Lower Sensitivity
Defence technology(2017)
摘要
Batch preparation of nano-HMX was achieved via a mechanical trituration method. The morphology and particle size of nano-HMX and raw RDX were characterized using SEM. Then nano-HMX was used in a formulation of composite modified double base propellant containing RDX. The method is to use nano-HMX to replace the RDX in the formulation by 10% gradually with the total mass content of RDX and HMX unchanged. The burning rate, mechanical sensitivity and mechanical property of propellant strands with different mass content of nano-HMX were tested. The results indicate that the 30% content of nano-HMX has the best comprehensive performance which can be used as an improvement of the existing formula. A possible mechanism of action was discussed.
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关键词
Nano-HMX,CMDB propellant,Comprehensive performance
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