Material Characterization and Microwave Substrate Applications of Alumina‐Filled Butyl Rubber Composites
Source abstract
Abstract
Composites of butyl rubber with micron alumina ( BRAL ) and nanoalumina ( BR n AL ) have been prepared by sigma mixing. The stress‐strain curves of both BRAL and BR n AL 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 ( ε r ) of 2.82 and loss tangent (tanδ) of 0.0023 at 5 GH z, and for the same volume fraction of nanoalumina content, the composite showed ε r of 3.15 and tanδ of 0.014 at 5 GH z.
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Research context
OpenAlex topics: Synthesis and properties of polymers · Dielectric materials and actuators · Ferroelectric and Piezoelectric Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Materials Science and Technology Division National Institute for Interdisciplinary Science and Technology (CSIR) Trivandrum 695019 India
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