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Effect factors on pulsed flashover of epoxy composite filled with micro-scale Al2O3·3H2O particles in vacuum

  • Xi'an Jiaotong University

Research output: Contribution to journalArticlepeer-review

Abstract

The factors on pulsed vacuum flashover of epoxy composite filled with micro-scale Al2O3·3H2O particles are studied. The effects of coupling agent, dispersion method, curing agent, and surface roughness on the flashover properties are investigated respectively. Compared with the amine curing agent, the casting epoxy resin cured by the acid anhydride has higher flashover voltage. The epoxy composite matrix dispersed by the high shear force has better disperse effect compared with that dispersed by the ultrasonic dispersion method. Epoxy composite filled with micro-scale particles treated by coupling agent has higher flashover voltage than that without coupling agent treatment. After surface polishing, the flashover voltage of the epoxy sample becomes higher.

Original languageEnglish
Pages (from-to)1022-1026
Number of pages5
JournalQiangjiguang Yu Lizishu/High Power Laser and Particle Beams
Volume20
Issue number6
StatePublished - Jun 2008

Keywords

  • AlO·3HO particle
  • Coupling
  • Curing
  • Dispersion
  • Epoxy composite
  • Polishing
  • Pulsed vacuum flashover

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