期刊
JOURNAL OF ENERGETIC MATERIALS
卷 36, 期 1, 页码 111-120出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07370652.2017.1326188
关键词
CL-20; desensitizers; phase transition; sensitivity
The phase transitions of epsilon-CL-20 coated with desensitizers [paraffin wax (PW), microcrystal wax (MW), graphite, molybdenum disulfide, tungsten disulfide, and graphite fluoride] were investigated using powder X-ray diffraction (PXRD) and differential scanning calorimetry (DSC). The thermal behavior of epsilon-CL-20 and epsilon-CL-20 coated with desensitizers was analyzed, and the compatibility of epsilon-CL-20 with the desensitizers was assessed using vacuum stability tests. The characteristics of several desensitizers were measured, and their effects on the friction and impact sensitivity of coarse and fine epsilon-CL-20 crystals were analyzed. The results indicate that graphite decreased the critical temperature of phase transition. The phase transition of DSC results is consistent with the PXRD data. epsilon-CL-20 was compatible with all the desensitizers studied. Molybdenum disulfide markedly lowered the impact sensitivity; PW and MW lowered the friction sensitivity of epsilon-CL-20. The molybdenum disulfide/PW compound system reduced both the friction and impact sensitivity of epsilon-CL-20.
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