期刊
JOURNAL OF ENERGETIC MATERIALS
卷 37, 期 4, 页码 484-495出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07370652.2019.1657203
关键词
Nano-sized CuO; AP-CMDB propellant; catalytic activity; thermal decomposition; combustion
类别
资金
- National Natural Science Foundation of China [21805139, 51606102]
- Fundamental Research Funds for the Central Universities [30918011312, 30919011404]
- Basic Product Innovation Technology Research Project of Explosives, Opening Project of Key Laboratory of Special Energy Materials (Nanjing University of Science and Technology), Ministry of Education, China [2019SEM01]
- Youth Scientific and Technological Innovation Project [QKCZ201713]
- Nanjing University of Science and Technology (Large-scale Instrument and Equipment Open Fund)
In this work, nano-sized CuO prepared by mechanical grinding method was applied to the AP-CMDB propellant. The catalytic activity of nano-sized CuO on AP-CMDB propellant was investigated by thermogravimetric analysis/differential scanning calorimetric techniques. The combustion rates at atmospheric pressure of AP-CMDB propellant modified by nano-sized CuO were measured by strand burner method. The experimental results show enhancements on the thermal decomposition and combustion of AP-CMDB propellant in the presence of nano-sized CuO. Compared with blank propellant, the thermal decomposition temperature of AP-CMDB propellant shifts downward. Simultaneously, the combustion rate of AP-CMDB propellant at atmospheric pressure increases by about 22.2%. Encouragingly, the catalytic activity of nano-sized CuO on AP-CMDB propellant is superior to that of the bulk CuO, which leads to a potential application of nano-sized CuO in the AP-CMDB propellant.
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