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期刊论文

Experimental Investigation of Influence of Surface Roughness on Flashover Performance of Ceramics In Vacuum

丁立健Lijian Ding Youping Tu C.R. Li Wei Wang

Conference Record of the 2004 IEEE International Symposium on Electrical Insulation, Indianapolis, IN USA, 19-22 September 2004,-0001,():

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摘要/描述

This paper provides some experimental investigation on the influence of the surface roughness on the flashover performance of ceramics in vacuum. The test samples were prepared with four kinds of ceramics (99.9% Alumina) which were polished by four different SIC abrasives. The flashover performances of 20 kinds of test samples have been tested with an impulse voltage in vacuum. According to the experimental results, it was found that the roughness of the test sample was quite different among different ceramics although the same grinding procedure was used with the same abrasive. It was also found that the flashover performance was influenced by the surface roughness, and there is a trend that the samples with a lower surface roughness have a higher breakdown voltage.

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版权说明:以下全部内容由丁立健上传于   2006年01月17日 17时50分12秒,版权归本人所有。

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