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In this paper, epoxy resin based composites filled with nano-Al2O3 and nano-SiO2 individually were fabricated. The relationships between the dielectric properties and fillers properties (contents and particle size etc.) were investigated. The results showed that, for nano-SiO2 filled epoxy, relative permittivity (epsivr) and loss factor (tandelta) increased obviously when filler content was lower...
Dielectric characteristics of LDPE filled with micro- and nano-sized particles of SiO2 were studied in this paper. The dependence of the loss factor and dielectric constant of composites on frequency was investigated in a relatively wide frequency range, and the roles of the size and loading level of the filler are discussed. Compared with additive-free LDPE, incorporating nano-sized SiO2 can effectively...
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