Temperature stability range of the binary MoC phase |
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| Authors: | J. Kouvetdkis} and L. Brewer |
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| Affiliation: | (1) Department of Chemistry, University of California and Materials Sciences Division, Lawrence Berkeley Laboratory, 94720 Berkeley, CA;(2) Department of Chemistry, Arizona State University, 85287 Tempe, AZ |
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| Abstract: | The MoC phase with the WC structure was prepared by a novel synthetic route that involved the stoichiometric disproportionation of a high-temperature phase, Mo 3 C 2 , to MoC and M0 2 C at 1000 °C. MoC was found to be thermodynamically stable at temperatures below 1080 °C. From consideration of equilibrium and calorimetric data, the thermodynamic properties of MoC can be established as S 298 0/R = 4.41(0.3) andΔH 298 0/R = -3430(800)K, Paper presented at the Calorimetry Conference, Asilomar, California. |
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