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    • Preparation and characterization of GA/RDX nanostructured energetic composites

      YUANFEI LAN XUEBAO WANG YUNJUN LUO

      Volume 39 Issue 7 December 2016 pp 1701-1707

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/039/07/1701-1707

    • Keywords

       

      Graphene aerogel; hexahydro-1,3,5-trinitro-1,3,5-triazine; nanostructured energetic composite; sol–gel.

    • 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. Thenhexahydro-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 andstructure 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 decompositioncharacteristic 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 itsunique nano-porous structure and attributes. It was also demonstrated that RDX homogeneously disperses in the asprepared 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.

    • Author Affiliations

       

      YUANFEI LAN1 XUEBAO WANG2 YUNJUN LUO1

      1. School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
      2. Department of Fire Protection Engineering, The Armed Police Forces Academy, Langfang 065000, China

    • Dates

       
      Published
      15 December 2016
      Manuscript received
      9 March 2015
      Accepted
      25 April 2016

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