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The vacuum surface flashover characteristic of solid material under steep pulse severely restricts the structure and performance of pulsed-power devices; and with excellent performance in insulation and mechanical strength, epoxy resin has been widely employed in pulse equipment; moreover, the accumulation of surface charge not only enhances the electric field but also affects the movement of the...
Micro and nano Al2O3middot3H2O fillers are loaded into the epoxy resin by mixing different weight ratio. The flashover studies were conducted using three kinds of nanosecond rise pulse under 5 times 10-3 Pa vacuum. The surface flashover properties of nano and micro Al2O3middot3H2O/epoxy composites are presented. The influence of filler size and content on the interface structure, interface layer distribution...
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