Temperature dependence of surface flashover voltage of polyethylene in vacuum

Y. Ohki*, K. Yahagi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

The surface flashover voltage over cylindrical spacers made of polyethylene in vacuum under impulse voltage application decreases monotonically with increasing temperature of the sample surface. This temperature dependence may be explained well by the mechanism that electrons injected from a cathode-insulator-vacuum junction bombard the sample surface to cause desorption of adsorbed gases and vaporization of sample material, thereby triggering surface flashover.

Original languageEnglish
Pages (from-to)3695-3696
Number of pages2
JournalJournal of Applied Physics
Volume46
Issue number8
DOIs
Publication statusPublished - 1975

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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