Effect of the processing method on the treeing resistance of polymeric dielectrics

Research output: Contribution to journalArticle

Abstract

Results of investigation into the effect of the processing method on the treeing resistance of polystyrene, polymethylmethacrilate, and polycarbonate are presented. It is demonstrated that in the presence of residual internal strain arising at the stage of processing, the highest treeing resistance possess polymers with a higher tensile yield strength. The tree propagation rate can be decreased and the time to breakdown of polymeric dielectrics can be increased by decreasing the thermal diffusivity of the base polymers.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalRussian Physics Journal
DOIs
Publication statusAccepted/In press - 2012

Fingerprint

polymers
high resistance
polycarbonates
yield strength
thermal diffusivity
polystyrene
breakdown
propagation

Keywords

  • high electric field
  • time for primary channel inception at polymer destruction
  • time to breakdown
  • treeing resistance

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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abstract = "Results of investigation into the effect of the processing method on the treeing resistance of polystyrene, polymethylmethacrilate, and polycarbonate are presented. It is demonstrated that in the presence of residual internal strain arising at the stage of processing, the highest treeing resistance possess polymers with a higher tensile yield strength. The tree propagation rate can be decreased and the time to breakdown of polymeric dielectrics can be increased by decreasing the thermal diffusivity of the base polymers.",
keywords = "high electric field, time for primary channel inception at polymer destruction, time to breakdown, treeing resistance",
author = "Gefle, {O. S.} and Lebedev, {S. M.}",
year = "2012",
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AB - Results of investigation into the effect of the processing method on the treeing resistance of polystyrene, polymethylmethacrilate, and polycarbonate are presented. It is demonstrated that in the presence of residual internal strain arising at the stage of processing, the highest treeing resistance possess polymers with a higher tensile yield strength. The tree propagation rate can be decreased and the time to breakdown of polymeric dielectrics can be increased by decreasing the thermal diffusivity of the base polymers.

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KW - time to breakdown

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