Abstract
A nanodimensional powder of doped boron carbide has been obtained by means of mechanoactivation in a planetary centrifugal mill and used to produce a nanostructural ceramic material by hot pressing at a temperature of 1900°C and a pressure of 30 MPa. Investigation of a combination of mechanical properties of the nanostructural ceramics showed its advantage over a material obtained using the traditional ceramic technology from the same (micron-sized) initial boron carbide powder. A ballistic armor structure containing the new nanostructural ceramics possesses improved protective properties, which have been confirmed by shooting tests. The introduction of a front layer of the nanostructural ceramics into a test armor structure significantly increased its bullet resistance as compared to that of an analogous structure with a ceramics manufactured using the traditional technology.
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References
N. P. Lyakishev and M. I. Alymov, Preparation and Physicomechanical Properties of Bulk Nanocrystalline Materials (ELIZ, Moscow, 2007), p. 148 [in Russian].
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Original Russian Text © M.V. Kremenchugskii, G.G. Savkin, V.I. Malinov, A.I. Rachkovskii, G.Yu. Smorchkov, 2008, published in Rossiiskie nanotekhnologii, 2008, Vol. 3, Nos. 3–4.
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Kremenchugskii, M.V., Savkin, G.G., Malinov, V.I. et al. Ultralight ceramic armor materials based on nanostructural mechanoactivated boron carbide powder. Nanotechnol Russia 3, 209–213 (2008). https://doi.org/10.1134/S1995078008030075
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DOI: https://doi.org/10.1134/S1995078008030075