Journal
MICRO & NANO LETTERS
Volume 11, Issue 1, Pages 24-28Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2015.0265
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Funding
- National Natural Science Foundation of China [11176029]
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To improve the safety of octahdro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX), a submicron energetic material, 1,3,5-triamino-2,4,6-trinitrobenzene (TATB), was introduced to coat HMX by a novel method. This novel method contained the reaction crystallisation and the solvent-non-solvent method. X-ray diffraction, scanning electron microscope, and optical microscopy analyses showed that a homogeneous layer of TATB particles with submicron scale had been successfully coated on the surface of HMX particle. Differential scanning calorimetry and thermogravimetry indicated that the coated HMX only had an exothermic peak at 279.4 degrees C, and the phase transition temperature reached 213.5 degrees C and increased by 20.2 degrees C compared with the pure HMX. The content of the coating TATB was determined to be 6.2 wt.% through high-performance liquid chromatograph. Relative to the mechanically mixed HMX/TATB, the drop height (H-50) was increased from 23.0 to 74.1 cm, and the friction probability was reduced from 4 to 0% for the coated HMX.
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