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Surface flashover in vacuum is a kind of complicated surface and interface phenomena, which seriously restricts the development of high voltage electro-vacuum devices. On the basis of a novel material as machinable ceramic (MC) for vacuum insulation system, which has excellent machinable performance and good surface electric strength, the surface electric property of samples with different preparation...
This paper probes into the influences of preparation technology, mainly crystallization time, on the flashover characteristics of machinable ceramics under 0.4/2.5 mus impulse voltage in vacuum. Several machinable ceramic samples are prepared with the same procedure under different crystallization time. To study the association between crystallization time and flashover characteristics, the surface...
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