Tree initiation and growth in LDPE/MgO nanocomposites and roles of nano fillers

Toshikatsu Tanaka, Tomonori Iizuka, Yoitsu Sekiguchi, Yoshinao Murata, Yoshimichi Ohki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Citations (Scopus)

Abstract

Processes of tree initiation and growth in LDPE/MgO nanocomposites were investigated by using optical and partial discharge (PD) detection methods. They can be divided into three stages depending on tree length. The first stage corresponds to the initial growth of about 10μm and might be subtly affected by the filler content up to 1 phr. This might be influenced by Coulombic field formed around nano fillers. The second stage is interpreted as tree growth around 100 μm, and is suppressed by nano fillers up to 2 phr, where trees grow by colliding with nano fillers. The third stage leads to final breakdown at which tree lengths are of 1 mm order, and are retarded by nano fillers up to 10 phr, where PD erosion processes are involved.

Original languageEnglish
Title of host publicationAnnual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
Pages646-649
Number of pages4
DOIs
Publication statusPublished - 2009
Event2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP - Virginia Beach, VA
Duration: 2009 Oct 182009 Oct 21

Other

Other2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
CityVirginia Beach, VA
Period09/10/1809/10/21

Fingerprint

Low density polyethylenes
Polyethylene
Fillers
Nanocomposites
Partial discharges
Erosion

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Tanaka, T., Iizuka, T., Sekiguchi, Y., Murata, Y., & Ohki, Y. (2009). Tree initiation and growth in LDPE/MgO nanocomposites and roles of nano fillers. In Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP (pp. 646-649). [5377899] https://doi.org/10.1109/CEIDP.2009.5377899

Tree initiation and growth in LDPE/MgO nanocomposites and roles of nano fillers. / Tanaka, Toshikatsu; Iizuka, Tomonori; Sekiguchi, Yoitsu; Murata, Yoshinao; Ohki, Yoshimichi.

Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP. 2009. p. 646-649 5377899.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tanaka, T, Iizuka, T, Sekiguchi, Y, Murata, Y & Ohki, Y 2009, Tree initiation and growth in LDPE/MgO nanocomposites and roles of nano fillers. in Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP., 5377899, pp. 646-649, 2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, Virginia Beach, VA, 09/10/18. https://doi.org/10.1109/CEIDP.2009.5377899
Tanaka T, Iizuka T, Sekiguchi Y, Murata Y, Ohki Y. Tree initiation and growth in LDPE/MgO nanocomposites and roles of nano fillers. In Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP. 2009. p. 646-649. 5377899 https://doi.org/10.1109/CEIDP.2009.5377899
Tanaka, Toshikatsu ; Iizuka, Tomonori ; Sekiguchi, Yoitsu ; Murata, Yoshinao ; Ohki, Yoshimichi. / Tree initiation and growth in LDPE/MgO nanocomposites and roles of nano fillers. Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP. 2009. pp. 646-649
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