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Macrokinetics of Oxidation of Ultradisperse Aluminum by Water in the Liquid Phase

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Combustion, Explosion and Shock Waves Aims and scope

Abstract

The processes of oxidation of electroexplosive ultradisperse powders (UDP) of aluminum by water in the range of temperatures 50—75°C are studied by the method of continuous recording of gas release. It is shown that the electroexplosive UDP of aluminum are capable to be actively oxidized by water with the formation of oxide—hydroxide phases and hydrogen release already upon moderate heating. At temperatures higher than 75°C the oxidation occurs like a degenerate thermal explosion. The macrokinetic parameters of the oxidation of aluminum UDP are determined. The data obtained can be used to assess the fire hazard of UDP in the presence of moisture and analyze the combustion of aluminum UDP in the composition of energy materials.

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Authors and Affiliations

  1. Institute of Petroleum Chemistry, Siberian Division, Russian Academy of Sciences, Tomsk, 634021

    V. G. Ivanov, M. N. Safronov & O. V. Gavrilyuk

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  1. V. G. Ivanov
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  2. M. N. Safronov
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  3. O. V. Gavrilyuk
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Ivanov, V.G., Safronov, M.N. & Gavrilyuk, O.V. Macrokinetics of Oxidation of Ultradisperse Aluminum by Water in the Liquid Phase. Combustion, Explosion, and Shock Waves 37, 173–177 (2001). https://doi.org/10.1023/A:1017505709456

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