Electrically Conductive Dense and Porous Alumina with In-Situ-Synthesized Nanoscale Carbon Networks

Electrically conductive dense and porous alumina compacts are fabricated by sintering dried gel‐cast alumina samples with a homogeneous gel‐binder distribution under an argon atmosphere. Sintering at an optimal temperature of 1700 °C leads to the uniform formation of electrically conductive nanoscal...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2008-06, Vol.20 (12), p.2345-2351
Main Authors: Menchavez, Ruben L., Fuji, Masayoshi, Takahashi, Minoru
Format: Article
Language:English
Subjects:
alumina
carbonization
ceramic composites
composite materials
graphite
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Summary:Electrically conductive dense and porous alumina compacts are fabricated by sintering dried gel‐cast alumina samples with a homogeneous gel‐binder distribution under an argon atmosphere. Sintering at an optimal temperature of 1700 °C leads to the uniform formation of electrically conductive nanoscale graphitic conduits throughout the composite, as shown in the figure.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200701897