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Appl. Sci. 2016, 6(11), 348; doi:10.3390/app6110348

Investigating the Influence of Plasma-Treated SiO2 Nanofillers on the Electrical Treeing Performance of Silicone-Rubber

Institute of High Voltage and High Current (IVAT), Faculty of Electrical Engineering Universiti Teknologi Malaysia, Johor Bahru 81310, Johor, Malaysia
Power Equipment & Electrical Machinery Development Institute (PEEMADI), P.M.B. 1029, Okene, Kogi, Nigeria
Author to whom correspondence should be addressed.
Academic Editor: Patrick A. Fairclough
Received: 21 August 2016 / Revised: 8 November 2016 / Accepted: 9 November 2016 / Published: 16 November 2016
View Full-Text   |   Download PDF [5087 KB, uploaded 16 November 2016]   |  


This study presents an investigation of electrical tree performance as well as the effect of filler concentration of silicone rubber (SiR) filled with atmospheric-pressure plasma-treated silicon dioxide (SiO2) nanofiller. Atmospheric-pressure plasma was used to treat the SiO2 nanofiller surfaces to enhance compatibility with SiR matrices. A fixed AC voltage of 10 kV, 50 Hz was applied to untreated, silane-treated, and plasma-treated nanocomposites with filler concentrations of 1, 3, and 5 wt % to investigate their electrical performance during electrical treeing. The result showed that plasma-treated SiO2 nanoparticles were uniformly well dispersed and formed strong covalent bonds with the molecules of the SiR polymer matrix. The plasma-treated nanocomposites were able to resist the electrical treeing better than the untreated or silane-treated nanocomposites. The increase in filler concentration enhanced the electrical tree performances of the nanocomposites. The result from this study reveals that the plasma-treated nanocomposites exhibited the best result in inhibiting the growth of electrical treeing compared to the existing surface treatment methods used in this study. View Full-Text
Keywords: atmospheric-pressure plasma; electrical treeing; silicon dioxide; silicone rubber atmospheric-pressure plasma; electrical treeing; silicon dioxide; silicone rubber

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Musa, F.N.; Bashir, N.; Ahmad, M.H.; Buntat, Z.; Piah, M.A.M. Investigating the Influence of Plasma-Treated SiO2 Nanofillers on the Electrical Treeing Performance of Silicone-Rubber. Appl. Sci. 2016, 6, 348.

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