Paper Title:
Electric Field Breakdown of Polymer Based Nano-Composite at Room and Cryogenic Temperatures
  Abstract

Electrical breakdown field measurements on Polymethylmethylacrylate (PMMA) and a nano-composite of PMMA/Barium Titanate (BTA) by 10% wt are presented. The measurements were made using uniform field electrode configuration under high voltage DC. The electrodes were made of stainless steel, each having a Bruce profile, and diameter 25 mm. The measurements were made at room temperature (293 K) and liquid Nitrogen temperature (77 K). Using Weibull statistics it shows that both PMMA and the nano-composite have breakdown electrical field strengths much higher at 293 K than at 77 K. It has been shown that there was very marked improvement in the reliability of results for both compounds at 77 K over those at 293 K. The SEM micrographs have shown very distinct differences in the behavior of the nano-compound between 293 K and 77 K, PMMA also exhibit some clear differences.

  Info
Periodical
Edited by
Pietro VINCENZINI, Vojislav V. MITIC, Alois LOIDL and Dino FIORANI
Pages
10-15
DOI
10.4028/www.scientific.net/AST.67.10
Citation
H. Rodrigo, G. H. Heller, A. Ingrole, Z.R. Liang, D. G. Crook, S. L. Ranner, "Electric Field Breakdown of Polymer Based Nano-Composite at Room and Cryogenic Temperatures", Advances in Science and Technology, Vol. 67, pp. 10-15, 2010
Online since
October 2010
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