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Title: Material characterization and microwave substrate applications of alumina-filled butyl rubber composites
Authors: Chameswary, J
Namitha, L K
Brahmakumar, M
Sebastian, M T
Keywords: Polymer-ceramic composites
Dielectric properties
Issue Date: 2014
Publisher: Wiley
Citation: International Journal of Applied Ceramic Technology 11(5):919-926;Sep-Oct 2014
Abstract: Composites of butyl rubber with micron alumina (BRAL) and nanoalumina (BRnAL) have been prepared by sigma mixing. The stress-strain curves of both BRAL and BRnAL composites show the mechanical flexibility of the composites. The dielectric and thermal properties of both composites were studied as a function of ceramic loading. For 0.1 volume fraction of micron alumina loading, the composites have attained a relative permittivity (epsilon(r)) of 2.82 and loss tangent (tan delta) of 0.0023 at 5 GHz, and for the same volume fraction of nanoalumina content, the composite showed epsilon(r) of 3.15 and tan delta of 0.014 at 5 GHz.
ISSN: 1546-542X
Appears in Collections:2014

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