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Because of the special surface energy of nanoparticles, the electrical, thermal and mechanical properties of nanocomposties may be improved. In general, emission of electrons at cathode leads to charging of the surface and thus results in surface flashover. Since flashover happens at the interface between dielectrics and atmosphere, different characteristics of atmosphere and dielectric may influence...
Deposited charges in dielectric material under electron-beam radiation have an important influence on dc vacuum surface flashover. This paper investigates the charge transport characteristics of polyimide under electron-beam radiation and dc voltage. Based on the actual size of electrodes and polyimide, a physical model of electron-beam radiation is proposed. Considered the processes of charge deposition...
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