期刊
MATERIALS RESEARCH BULLETIN
卷 48, 期 11, 页码 4911-4916出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2013.07.029
关键词
Ceramics; Electron microscopy; Dielectric properties; Mechanical properties; Thermal conductivity
资金
- Ministry of Human Resource and Development, New Delhi
Silicone rubber composites filled with Ba(Zn1/3Ta2/3)O-3 (BZT) were prepared by hot pressing and the effect of filler content on the microwave dielectric, mechanical and thermal properties as well as on moisture absorption were investigated. The observed relative permittivity (epsilon(r)) was compared with different theoretical models. Among the different theoretical models Jayasundere Smith and Modified Lichtenecker were in good agreement with experimental values of epsilon(r). The study of the mechanical property showed that the silicone rubber - BZT composites were flexible and stretchable. The coefficient of thermal expansion and specific heat capacity decreased whereas thermal conductivity, thermal diffusivity and the moisture absorption increased with increase in filler loading. (C) 2013 Elsevier Ltd. All rights reserved.
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