Science and Technology of Energetic Materials

Vol.75, No.2 (2014)


Effect of nitrocellulose and polytetrafluoroethylene on the combustion characteristics of Ba (NO3)2/ Mg-containing pyrotechnic mixtures
Di-hua Ouyang and San-xue Guo


The examination of nitrocellulose (NC) and polytetrafluoroethylene (PTFE) , and their influences on the combustion characteristics of Ba(NO3)2/Mg were studied experimentally, using IGA-140 non contact far-infrared thermometer and transient intensity testing instrument. The results revealed that the burn temperature, lumionous intensity and burn rate of the pyrotechnic mixtures with NC (1432.6℃, 49140.3cd, 9.0mm/s) were all larger than the PTFE system (1248.4℃ ,32439.8cd, 7.3mm/s), which is due to the differences in the decomposition progress between the two additives, so that led to substantial differences in the loss of reaction energy.

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pyrotechnic mixtures, additives, combustion characteristics

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