BaTiO3-Epoxy Composites for Electronic Applications

A brief review related with dielectric properties of BaTiO3/epoxy composites is presented. The composites were obtained using the dipping technique. To facilitate the mixing and modify the filler surface, a solvent and a surface coupling agent were used. Intermediate and low concentrations of solven...

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Bibliographic Details
Published inInternational journal of applied ceramic technology Vol. 7; no. 4; pp. 444 - 451
Main Authors Ramajo, Leandro, Reboredo, María M., Castro, Miriam S.
Format Journal Article
LanguageEnglish
Published Malden, USA Blackwell Publishing Inc 01.07.2010
Subjects
Ceramics
Coupling agents
Dielectric properties
Dipping
Electronics
Fillers
Low concentrations
Mathematical analysis
Mathematical models
Permittivity
Silanes
Solvents
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Summary:A brief review related with dielectric properties of BaTiO3/epoxy composites is presented. The composites were obtained using the dipping technique. To facilitate the mixing and modify the filler surface, a solvent and a surface coupling agent were used. Intermediate and low concentrations of solvent and silane improved microstructure and dielectric properties of the composite material, whereas higher concentrations led to composites of poor quality. Finally, a model using finite elements was used, in order to predict the composite permittivity in relation to the percentage of filler. Model results were compared with the effective medium theory and experimental results.
Bibliography:ArticleID:IJAC02473
istex:635EEB475441A9B665EE7A819369924B69F37E9E
ark:/67375/WNG-VQK1CL6M-L
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lramajo@fi.mdp.edu.ar
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ISSN:1546-542X
1744-7402
DOI:10.1111/j.1744-7402.2009.02473.x