Journal article
High breakdown-strength composites from liquid silicone rubbers
In this paper we investigate the performance of liquid silicone rubbers (LSRs) as dielectric elastomer transducers. Commonly used silicones in this application include room-temperature vulcanisable (RTV) silicone elastomers and composites thereof. Pure LSRs and their composites with commercially available fillers (an anatase TiO2, a core–shell TiO2-SiO2 and a CaCu3Ti4O12 filler) are evaluated with respect to dielectric permittivity, elasticity (Young’s modulus) and electrical breakdown strength.
Film formation properties are also evaluated. The best-performing formulations are those with anatase TiO2 nanoparticles, where the highest relative dielectric permittivity of 5.6 is obtained, and with STX801, a core–shell morphology TiO2-SiO2 filler from Evonik, where the highest breakdown strength of 173 V μm−1 is obtained.
Language: | English |
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Year: | 2014 |
Pages: | 105017 |
ISSN: | 1361665x and 09641726 |
Types: | Journal article |
DOI: | 10.1088/0964-1726/23/10/105017 |
ORCIDs: | Vudayagiri, Sindhu , Yu, Liyun and Skov, Anne Ladegaard |