Artículo
Creep-resistant composites of alumina and single-wall carbon nanotubes
Autor/es | Zapata Solvas, Eugenio
Poyato Galán, Rosalía Gómez García, Diego Domínguez Rodríguez, Arturo Radmilovic, Velimir Padture, Nitin P. |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2008 |
Fecha de depósito | 2015-08-24 |
Publicado en |
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Resumen | Composites of alumina Al2O3 ceramic and single-wall carbon nanotubes (SWNTs) have been tested in uniaxial compression at 1300 and 1350 °C (Ar atmosphere), and they have been found to be about two orders of magnitude more ... Composites of alumina Al2O3 ceramic and single-wall carbon nanotubes (SWNTs) have been tested in uniaxial compression at 1300 and 1350 °C (Ar atmosphere), and they have been found to be about two orders of magnitude more creep-resistant compared to a pure alumina of about the same grain size (0.5 micras). This is attributed to partial blocking of grain-boundary sliding by SWNTs in the composites. Since the grain boundaries in the ceramic/SWNTs composites are amenable to being engineered, this constitutes an attractive approach to the design of creep-resistant ceramic composites. |
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