Author:
Funahashi Yoshiaki,Xin Yunzi,Kato Kunihiko,Nguyen Huu Hien,Shirai Takashi
Abstract
AbstractIn the present study, graphite/alumina composites are fabricated via reductive sintering of gel-casted green bodies with structurally controlled cross-linked epoxy polymers for the first time. The cross-linking degrees of polymers are tuned by the amount ratio of epoxy monomer/polyvinyl alcohol cross-linker utilized in gel-casting process. Superior electrical properties with respect to 5-fold enhanced electrical conductivity and 2-fold higher carrier mobility are successfully achieved in graphite/alumina composite fabricated from cross-linked epoxy polymer, whose phenomenon is attributed to the excellent conductive path in ceramic matrix established by highly uniform network with improved graphitization degree.
Publisher
Tsinghua University Press
Subject
Ceramics and Composites,Electronic, Optical and Magnetic Materials
Cited by
15 articles.
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