Thermodynamic properties of aluminum monooxycarbide Al2OC |
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| Authors: | V L Klimov G A Bergman O K Karlina |
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| Institution: | (1) United Ecological, Scientific and Research Center of Decontamination of Radioactive Waste and Environmental Protection, Moscow State Enterprise (SIA RADON), 7th Rostovskii per. 2/14, Moscow, 119121, Russia |
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| Abstract: | It was shown that the published data on the thermodynamic properties of aluminum monooxycarbide Al2OC (ed) are not consistent with the phase diagram of the Al2O3-Al4C3 system. A thermodynamic modeling of the equilibrium state of the Al2O3-Al4C3 system made it possible to obtain new estimates of the standard entropy and enthalpy of formation of aluminum monooxycarbide: S°(298.15 K, cd. Al2OC) = 45.3 J/(K mol) and Δf H°(298.15 K, cd, Al2OC) = ?625.6 kJ/mol. |
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