Experimental Investigations of the Detonation Synthesis of Micron Al2O3 by the Precursor of Thermal Decomposition

R.Y. Li; H.L. Yang; H.H. Yan; X.H. Wang; X.J. Li

doi:10.4028/www.scientific.net/KEM.609-610.165

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 609-610Experimental Investigations of the Detonation...

Experimental Investigations of the Detonation Synthesis of Micron Al₂O₃ by the Precursor of Thermal Decomposition

Abstract:

The Al₂O₃ is synthesized by detonation of mixed explosive, prepared by mixing RDX and aluminum hydroxide named as precursor of thermal decomposition. The production of detonation is analysed by XRD, TEM and DTA/TG. The curve of XRD indicates that the production are (α+γ)-Al₂O₃. The average crystal size of Al₂O₃ is 126nm calculated by the Scherrer equation. The photographs of TEM show that all granules of Al₂O₃ are spherical, and the average size of granule is 1000nm. The visible exothermic or endothermic peak does not appear on the curve of DTA from 50 to 1300 degree Centigrade. The curve of TG indicates that the production of detonation generates 12% weight loss from 50 to 1300 degree Centigrade.

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Periodical:

Key Engineering Materials (Volumes 609-610)

Pages:

165-168

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.609-610.165

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Online since:

April 2014

Authors:

R.Y. Li*, H.L. Yang, H.H. Yan, X.H. Wang, X.J. Li

Keywords:

(α+γ)-Al₂O₃, Aluminum Hydroxide, Detonation, Micrometer, RDX

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DOI: 10.1134/s0010508213010115

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