Properties of a nanodielectric cryogenic resin

被引：25

作者：

Polizos, Georgios ^{[1
]}

Tuncer, Enis ^{[1
]}

Sauers, Isidor ^{[1
]}

More, Karren L. ^{[2
]}

机构：

[1] Oak Ridge Natl Lab, Div Fus Energy, Appl Superconduct Grp, Oak Ridge, TN 37831 USA

[2] Oak Ridge Natl Lab, Div Mat Sci & Technol, Microscopy Grp, Oak Ridge, TN 37831 USA

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 15期

关键词：

dielectric losses; electric breakdown; filled polymers; nanocomposites; nanofabrication; nanoparticles; titanium compounds; CARBON NANOTUBES; NANOFIBER COMPOSITES; NANOCOMPOSITES; BEHAVIOR; CRYSTALLIZATION; DISPERSION; SILICA;

D O I：

10.1063/1.3394011

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Physical properties of a nanodielectric composed of in situ synthesized titanium dioxide (TiO(2)) nanoparticles (< 5 nm in diameter) and a cryogenic resin are reported. The dielectric losses were reduced by a factor of 2 in the nanocomposite, indicating that the presence of small TiO(2) nanoparticles restricted the mobility of the polymer chains. Dielectric breakdown data of the nanodielectric was distributed over a narrower range than that of the unfilled resin. The nanodielectric had 1.56 times higher 1% breakdown probability than the resin, yielding 0.64 times thinner insulation thickness for the same voltage level, which is beneficial in high voltage engineering.

引用

页数：3

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