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Experimental investigations of the controlled explosive synthesis of ultrafine Al2O3

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Combustion, Explosion, and Shock Waves Aims and scope

Abstract

The relation between the parameters of mixed explosives [combinations of Al(NO3)3·9H2O powder, RDX powder, and/or polyethylene foaming particles] and the phase and dimension of ultrafine Al2O3 is studied in this paper. Experimental results indicate that mixed explosives with a high density of 1.8 g/cm3 are adapted to prepare high-temperature α-Al2O3. Ultrafine (α + γ)-Al2O3 with α-phase dominance is synthesized by the detonation of charges with a medium-high density of 1.3 g/cm3. Explosives with a medium-low density of 0.8 g/cm3 synthesize low-temperature pure λ-Al2O3.

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Authors and Affiliations

  1. Department of Engineering Mechanics, China University of Petroleum (East China), Qingdao, Shandong, 266555, P.R. China

    R. Y. Li

  2. Department of Engineering Mechanics, Dalian University of Technology, State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian, Liaoning, 116023, P.R. China

    X. J. Li & H. H. Yan

  3. Holvrieka Co. Ltd., Nantong, Jiangsu, 226010, P.R. China

    J. Peng

Authors
  1. R. Y. Li
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  2. X. J. Li
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  3. H. H. Yan
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  4. J. Peng
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Corresponding author

Correspondence to R. Y. Li.

Additional information

Original Russian Text © R.Y. Li, X.J. Li, H.H. Yan, J. Peng.

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Translated from Fizika Goreniya i Vzryva, Vol. 49, No. 1, pp. 121–124, January–February, 2013.

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Li, R.Y., Li, X.J., Yan, H.H. et al. Experimental investigations of the controlled explosive synthesis of ultrafine Al2O3 . Combust Explos Shock Waves 49, 105–108 (2013). https://doi.org/10.1134/S0010508213010115

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  • DOI: https://doi.org/10.1134/S0010508213010115

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