Study on the reaction kinetics mechanism and properties of RDX/ADN/FKM2602 composite microspheres

IF 5 Q1 ENGINEERING, MULTIDISCIPLINARY

Defence Technology(防务技术) Pub Date : 2025-02-12 DOI:10.1016/j.dt.2025.02.008

Cenlin Pan , Zhenhua Liu , Yubing Zhao , Ning Liu , Taixing Liang , Xiaodong Li , Jingyu Wang , Xiaofeng Shi

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Abstract

This study prepared a class of RDX-based composite microspheres (RAF) containing ADN and FKM2602. The reaction kinetics of RAF composite microspheres were effectively improved by maintaining the system's high energy and safety performance. In the close packing state, when the heating rate is rapid, the thermal stability of RAF composite microspheres is better than that of RDX; the close packing state will reduce the degree of freedom of RDX and ADN reaction but will increase the degree of freedom of RAF composite microsphere reaction. The thermal conductivity of RAF composite microspheres is close to that of RDX. In the ignition experiment, the flame of RAF composite microspheres can be maintained without the external heat source. Regarding safety, the H₅₀ of RAF composite microspheres was 274.04% higher than that of RDX. The detonation velocity of RAF composite microspheres is slightly higher than that of raw material RDX. Overall, these findings highlight the effectiveness of ADN in enhancing the reaction kinetics of RDX-based composites.

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RDX/ADN/FKM2602复合微球反应动力学机理及性能研究

本研究制备了一类含有ADN和FKM2602的rdx基复合微球（RAF）。通过保持体系的高能量和安全性能，有效地改善了RAF复合微球的反应动力学。在紧密填充状态下，升温速率较快时，RAF复合微球的热稳定性优于RDX；紧密的填充状态会降低RDX和ADN反应的自由度，但会增加RAF复合微球反应的自由度。RAF复合微球的导热系数与RDX接近。在点火实验中，RAF复合材料微球的火焰可以在没有外界热源的情况下保持。在安全性方面，RAF复合微球的H50比RDX高274.04%。RAF复合微球的爆轰速度略高于原料RDX。总之，这些发现突出了ADN在增强rdx基复合材料反应动力学方面的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Defence Technology(防务技术) Mechanical Engineering, Control and Systems Engineering, Industrial and Manufacturing Engineering

CiteScore

8.70

自引率

0.00%

发文量

728

审稿时长

25 days

期刊介绍： Defence Technology, a peer reviewed journal, is published monthly and aims to become the best international academic exchange platform for the research related to defence technology. It publishes original research papers having direct bearing on defence, with a balanced coverage on analytical, experimental, numerical simulation and applied investigations. It covers various disciplines of science, technology and engineering.