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Non-isothermal Crystallization of DNTF:Ⅰ. Crystallization Kinetics in HMX
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    Abstract:

    The non-isothermal crystallization of 3,4-dinitrofurazanofuroxan (DNTF) in octalzydro-1,3,5,7-tetranitro-1,3,5,7-trtrazocine (HMX) was researched by differential scanning calorimetry. Several kinetics models were used to investigate the crystallization behavior of DNTF and the obtained results were compared. The results show that HMX can reduce the super-cooling degree of DNTF and eliminate self-heating of DNTF crystallization. The crystallization kinetics exponent n was obtained from Avrami equation and the mechanism function g(α) was determined. The active energy of non-isothermal crystallization kinetics parameter of DNTF were obtained from Kissinger equation. Furthermore, Ozawa exponent m and temperature function F(T) were obtained from Avrami-Ozawa equation. The results also show that the non-isothermal crystallization process of DNTF can be preferably described by Avrami-Ozawa equation.

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周文静,覃光明,张皋,等. DNTF的非等温结晶研究—Ⅰ.在HMX中的结晶动力学[J].含能材料,2007,15(6):629-632.
ZHOU Wen-jing, QIN Guang-ming, ZHANG Gao, et al. Non-isothermal Crystallization of DNTF:Ⅰ. Crystallization Kinetics in HMX[J]. Chinese Journal of Energetic Materials,2007,15(6):629-632.

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History
  • Received:April 10,2007
  • Revised:
  • Adopted:
  • Online: November 03,2011
  • Published: