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Título: | High temperature oxidation resistance of (Ti,Ta)(C,N)-based cermets |
Autor: | Chicardi, E. CSIC ORCID; Córdoba, J.M. CSIC ORCID ; Gotor, F.J. CSIC ORCID | Palabras clave: | A. Ceramic matrix composites A. Cobalt A. Titanium B. SEM B. X-ray diffraction C. Oxidation |
Fecha de publicación: | 2016 | Editor: | Elsevier | Citación: | Corrosion Science, 102: 126-136(2016) | Resumen: | Cermets based on titanium–tantalum carbonitride were oxidized in static air between 800 °C and 1100 °C for 48 h. The thermogravimetric and microstructural study showed an outstanding reduction in the oxidation of more than 90% when the Ta content was increased. In cermets with low Ta content, the formation of a thin CoO/Co3O4 outer layer tends to disappear by reacting with the underlying rutile phase, which emerges at the surface. However, in cermets with higher Ta content, the formation of an external titanate layer, observed even at a low temperature, appears to prevent the oxygen diffusion and the oxidation progression | Versión del editor: | http://dx.doi.org/10.1016/j.corsci.2015.10.001 | URI: | http://hdl.handle.net/10261/130084 | DOI: | 10.1016/j.corsci.2015.10.001 |
Aparece en las colecciones: | (ICMS) Artículos |
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Datos adjuntos sin título 00031.pdf | 2,79 MB | Adobe PDF | Visualizar/Abrir |
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