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Zirconia nanopowder synthesis via detonation of trinitrotoluene

Gibot, Pierre and Vidal, Loic and Laffont, Lydia and Mory, Julien Zirconia nanopowder synthesis via detonation of trinitrotoluene. (2020) Ceramics International, 46 (17). 27057-27062. ISSN 0272-8842

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Official URL: https://doi.org/10.1016/j.ceramint.2020.07.182

Abstract

Zirconium (IV) oxide nanopowder was successfully synthesized through the detonation of a mixture composed of 2,4,6 trinitrotoluene (TNT, C7H5N3O6) and zirconium sulfate tetrahydrate (Zr(SO4)2·4H2O) as the energetic material and ceramic precursor, respectively. TNT, one of the most popular explosives, is a secondary energetic molecule and exhibits high stability and low sensitivity toward external stresses, making its handling safe. After detonation of the energetic material/ceramic precursor mixture and purification of the detonation soot, a crystallized zirconium oxide (ZrO2) powder composed of nanosized particles with a spherical morphology was produced and analysed by the usual characterization techniques (X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy and nitrogen physisorption). The reaction mechanism, considering the thermochemical aspect of the explosive, is offered. This approach could provide promising opportunities for the synthesis of various nano-sized oxide ceramic powders.

Item Type:Article
HAL Id:hal-03033101
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Direction Générale pour l'Armement - DGA (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Université de Strasbourg - UNISTRA (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Institut franco-allemand de recherches de Saint-Louis - ISL (FRANCE)
Other partners > Université de Haute Alsace - UHA (FRANCE)
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Deposited On:23 Oct 2020 11:41

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