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Synthesis of ZrC/ZrO2 by pyrolysis of modified zirconium alkoxide precursors

Artículo

Autoría:

SHAM, EDGARDO LING ; E.M. Farfán-Torres ; S. Bruque-Gamez

Fecha:

1993

Editorial y Lugar de Edición:

ELSEVIER SCIENCE BV

Revista:

SOLID STATE IONICS, vol. 63 (pp. 45-51) ELSEVIER SCIENCE BV

Resumen *

A new route to prepare zirconium carbide preceramic powders has been developed using alkoxides polymerized with polyalcohols. Preceramics were pyrolized under vacuum to form metal carbides/metal oxide materials. Best carbide yields were obtained using very low heating rates (0.5°C/min) and reaction time at final temperature higher than 30 min. An explanation of the possible parameters that govern zirconium carbide formation is presented. Información suministrada por el agente en SIGEVA

Palabras Clave

pyrolysissynthesiszirconium carbide-zirconium oxide