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Graphene or carbon nanofiber-reinforced zirconia composites: Are they really worthwhile for structural applications? |
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| Authors: | Rafael Cano-Crespo Bibi Malmal Moshtaghioun Diego Gómez-García Rodrigo Moreno Arturo Domínguez-Rodríguez |
| Affiliation: | 1. Departamento de Física de la Materia Condensada, Universidad de Sevilla, Apartado 1065, 41080, Sevilla, Spain;2. Instituto de Ciencia de Materiales de Aragón, CSIC-Universidad de Zaragoza, Sede Campus Río Ebro, Edificio Torres Quevedo, calle María de Luna 3, 50018 Zaragoza, Spain;3. Instituto de Ciencia de Materiales de Sevilla, CSIC-USE, Avenida Américo Vespucio 49, 41092, Sevilla, Spain;4. Instituto de Cerámica y Vidrio, CSIC, E-28049, Madrid, Spain |
| Abstract: | The use of allotropic phases of carbon (i.e. nanotubes, graphene or carbon nanofibers) as second phases to design ceramic composites is a hot topic at present. Researchers try to provide a remarkable improvement of the parent ceramic assuming that some of the outstanding mechanical properties of these phases migrate to the resultant composite. This reasonable idea has been questioned severely in the case of nanotubes addition but there is not any analysis for the other two phases cited previously. To elucidate this question, zirconia was selected as a model ceramic. This paper reports the mechanical properties of zirconia composites reinforced either with graphene or carbon nanofibers, with special emphasis on the high-temperature plasticity. |
| Keywords: | Zirconia Graphene oxide Carbon nanofibers Mechanical properties Creep resistance |
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