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Título: | High density carbon materials obtained at relatively low temperature by spark plasma sintering of carbon nanofibers |
Autor: | Borrell, Amparo; Fernández, Adolfo CSIC ORCID; Merino, César; Torrecillas, Ramón CSIC ORCID CVN | Fecha de publicación: | 2010 | Editor: | Carl Hanser Verlag | Citación: | International Journal of Materials Research 01: 112-116 (2010) | Resumen: | Graphitic materials obtained at low temperatures are interesting for a wide range of industrial applications including bipolar plates. In this work, graphite based nanocomposites have been obtained starting from carbon nanofibers and a mixture of carbon nanofibers with 20 vol.% of alumina nanopowders. High density carbon components were obtained by using Spark Plasma Sintering at temperatures as low as 1500–1800°C for this kind of materials. The effect of spark plasma sintering parameters on the final density, and the mechanical and electrical properties of resulting nanocomposites have been investigated. Pure carbon nanofibers with around 90% of theoretical density and fracture strength of 60 MPa have been obtained at temperatures as low as 1500°C applying a pressure of 80 MPa during sintering. It has been proved that attrition milling is a suitable method for preparing homogeneous mixtures of carbon nanofibers and alumina powders. | Descripción: | 5 páginas. | Versión del editor: | http://dx.doi.org/10.3139/146.110246 | URI: | http://hdl.handle.net/10261/43875 | DOI: | 10.3139/146.110246 | ISSN: | 1862-5282 |
Aparece en las colecciones: | (CINN) Artículos |
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