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Standard enthalpies of formation of TiSi2 and VSi2 by high-temperature calorimetry

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Abstract

The standard enthalpies of formation of TiSi2 and VSi2 have been measured by a new calorimetric method. The following results are reported: ΔH °f (TiSi2) = −(170.9 ± 8.3) kJ mol−1 and ΔH °}{f (VSi2) = −(112.4 ± 6.0) kJ mol−1. These results are compared with experimental, assessed, and predicted values reported in the literature and with our own data for the corresponding borides. Estimates are given for the enthalpies of formation of the silicides of scandium and chromium.

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Authors and Affiliations

  1. James Franck Institute, University of Chicago, 5640 South Ellis Avenue, 60637, Chicago, IL

    Letitia Topor (Senior Research Associate) & O. J. Kleppa (Professor of Chemistry and Geophysical Sciences)

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  1. Letitia Topor
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  2. O. J. Kleppa
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Topor, L., Kleppa, O.J. Standard enthalpies of formation of TiSi2 and VSi2 by high-temperature calorimetry. Metall Trans A 17, 1217–1221 (1986). https://doi.org/10.1007/BF02665321

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  • DOI: https://doi.org/10.1007/BF02665321

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