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- Title
Thermal decomposition kinetics and compatibility of NH<sub>3</sub>OHN<sub>5</sub>.
- Authors
Chen, Xiang; Zhu, Chenguang; Hu, Bingcheng; Zhang, Chong
- Abstract
Hydroxylammonium cyclo‐pentazolate (NH3OHN5), as one of the poly‐nitrogen compounds, has a broad prospect in the field of energetic materials, due to its high specific impulse, high detonation velocity, and the pollution‐free products. In this paper, the thermal decomposition behavior of NH3OHN5 was studied by differential scanning calorimetry (DSC) using four heating rates (2, 5, 8, 10 °C min−1). The apparent activation energy (EK,O=114.31 kJ mol−1), the pre‐exponential factor (AK=4.78×1011 s−1) and the critical temperature of the thermal explosion (Tb=108.08 °C) of NH3OHN5 were calculated by Kissinger and Ozawa method under non‐isothermal heating conditions. The compatibility of NH3OHN5 with 1,3,5‐trinitro‐1,3,5‐triazacyclohexane (RDX), 1,3,5,7‐tetranitro‐1,3,5,7‐tetraazacyclooctane (HMX), 2,4,6,8,10,12‐hexanitro‐2,4,6,8,10,12‐hexaza‐isowurtzitane (CL‐20), ammonium perchlorate (AP), and hydroxy‐terminated polybutadiene (HTPB) were tested and judged based on a standard agreement (STANAG‐4147). The DSC results showed that NH3OHN5/HMX, NH3OHN5/RDX, NH3OHN5/CL‐20, NH3OHN5/AP and NH3OHN5/HTPB had good compatibility.
- Subjects
FURAZANS; DIFFERENTIAL scanning calorimetry; CRITICAL temperature; AMMONIUM perchlorate; POLYBUTADIENE; CYCLONITE
- Publication
Propellants, Explosives, Pyrotechnics, 2024, Vol 49, Issue 3, p1
- ISSN
0721-3115
- Publication type
Article
- DOI
10.1002/prep.202300141