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Effect of different dopant in machinable ceramic on its surface flashover characteristics in vacuum

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

As well known, the secondary electron emission yield is one important factor for the flashover phenomena of solid materials under high electric field in vacuum. On the basis of the novel low melting temperature machinable glass ceramics for vacuum insulation system, which has excellent machinable performance and good electrical properties, different low SEE yield metal oxides including Cu2O and Cr2O3 were doped into the original glass ceramics to investigate the effects of different process technology on the surface flashover phenomena of the machinable ceramics under pulse voltage in vacuum. We found that after doping the metal oxide, the samples' surface flashover voltage has changed. Experimental results revealed that after doping metal oxide into the machinable ceramic, the sample's SEE yield relatively reduced.

Original languageEnglish
Title of host publication2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials, ICPADM 2009
Pages717-720
Number of pages4
DOIs
StatePublished - 2009
Event2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials, ICPADM 2009 - Harbin, China
Duration: 19 Jul 200923 Jul 2009

Publication series

NameProceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials

Conference

Conference2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials, ICPADM 2009
Country/TerritoryChina
CityHarbin
Period19/07/0923/07/09

Keywords

  • Flashover
  • Machinable ceramic
  • SEE yield

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