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Generic PD (Partial discharge) resistance characteristics of polymer nanocomposites are discussed mainly on thermosetting epoxy nanocomposites containing silica, alumina, titania, silicon carbide and layered silicate nano fillers. Generic PD erosion process comprises a process of erosion of epoxy to be impeded by nano fillers and interfaces. It is stressed that only epoxy regions can be eroded. Three-dimensional...
Effects of addition of micro-sized silica fillers and/or nano-sized clay fillers into epoxy resin on its dielectric properties were examined. The glass transition intermediate temperature (Tg) was found to show a decrease by the addition of a small amount of nanofillers, while it is increased by the addition of abundant microfillers with and without co-addition of a small amount of nanofillers. At...
Partial discharge (PD) endurance of epoxy/SiC nanocomposite was investigated in comparison with that of epoxy/silica (SiO2) nanocomposite. Filler contents were 1 wt%, 2 wt%, 3 wt%, 4 wt% and 5 wt% in epoxy/silicon carbide (SiC) nanocomposite. Evaluation was made by erosion depth and eroded cross sectional area in its profile measured with the laser surface profilometory. It was confirmed that epoxy...
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