Preparation of BaTiO3-based chip thermistors by gelcasting approach

Gelcasting has been developed as a novel ceramic forming method for complex-shaped advanced materials of near-net-shape. In this work, the gelcasting process has been further developed to fabricate BaTiO3-based positive temperature coefficient chip thermistor. Special attentions were given to the ef...

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Published inMaterials science & engineering. B, Solid-state materials for advanced technology Vol. B99; no. 1-3; pp. 408 - 411
Main Authors Gong, Shuping, Zheng, Zhiping, Zhou, Dongxiang, Hu, Yunxiang
Format Journal Article
LanguageEnglish
Published 25.05.2003
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Summary:Gelcasting has been developed as a novel ceramic forming method for complex-shaped advanced materials of near-net-shape. In this work, the gelcasting process has been further developed to fabricate BaTiO3-based positive temperature coefficient chip thermistor. Special attentions were given to the effect of atmosphere type on gelcasting behavior of ceramics and the effect of the presence of glycerol and monomers in slurries on the flexibility and mechanical strength of gelcast green sheets. Compared with roll formed thermistors, gelcast ones exhibit stronger PTC effect.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0921-5107
DOI:10.1016/S0921-5107(02)00454-3