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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN Imprimir: 1093-3611
ISSN En Línea: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v1.i3.90
pages 393-408

Thermodynamics of titanium carbide and the oxycarbide Ti2OC

Alexandra Maitre
Laboratoire Science des Procedes Ceramiques et Traitements de Surface UMR CNRS 6638 123 Avenue Albert-Thomas F-87060 Limoges Cedex, France
Philippe Cathalifaud
Laboratoire de materiaux ceramiques et traitements de surface ESA CNRS 6015, 123 Avenue Albert-Thomas 87060 Limoges cedex (France)
Pierre Lefort
Laboratoire Science des Precedes Ceramiques et Traitements de Surface UMR CNRS 6638 123 Avenue Albert-Thomas F-87060 Limoges Cedex, France

SINOPSIS

An experimental approach of the thermodynamical data of the oxycarbide Ti2OC, coupled with a revision of those of TiC leads to major modifications of previous values. It allows to introduce an existence domain for the oxycarbide which was not previously forecast. For instance, at 1500 K,Ti2OC is the stable phase for oxygen partial pressures between 2.2.10 −15 and 3.9.10−12 Pa. This result opens new fields for comprehension of the carbide synthesis mechanism.


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