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Preparation and characterization of GA/RDX nanostructured energetic composites

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Abstract

Graphene aerogel (GA) with nano-porous structure was assembled through the formation of physical cross-links between graphene sheets by a facile sol–gel method and supercritical CO 2 drying process. Then hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) was added and trapped in the nano-porous three-dimensional networks of GA to obtain a novel GA/RDX nanostructured energetic composite. The composition, morphology and structure of the obtained GA/RDX nanostructured energetic composite were characterized by elemental analysis, scanning electron microscopy, nitrogen sorption tests and X-ray diffraction. Moreover, the thermal decomposition characteristic was investigated by thermogravimetry and differential scanning calorimetry. The results showed that GA could be a perfect aerogel matrix for the fabrication of GA/RDX nanostructured energetic composite due to its unique nano-porous structure and attributes. It was also demonstrated that RDX homogeneously disperses in the as-prepared GA/RDX nanostructured energetic composite at nanometric scale. GA showed promising catalytic effects for the thermal decomposition of RDX. After incorporating with GA, the decomposition of RDX was obviously accelerated.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China

    YUANFEI LAN & YUNJUN LUO

  2. Department of Fire Protection Engineering, The Armed Police Forces Academy, Langfang, 065000, China

    XUEBAO WANG

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  1. YUANFEI LAN
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  2. XUEBAO WANG
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  3. YUNJUN LUO
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Correspondence to YUNJUN LUO.

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LAN, Y., WANG, X. & LUO, Y. Preparation and characterization of GA/RDX nanostructured energetic composites. Bull Mater Sci 39, 1701–1707 (2016). https://doi.org/10.1007/s12034-016-1320-x

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  • DOI: https://doi.org/10.1007/s12034-016-1320-x

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