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

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

doi:10.1109/CEIDP.2009.5377899

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

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

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

17 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 language	English
Title of host publication	CEIDP - 2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena
Pages	646-649
Number of pages	4
DOIs	https://doi.org/10.1109/CEIDP.2009.5377899
Publication status	Published - 2009 Dec 1
Event	2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP - Virginia Beach, VA, United States Duration: 2009 Oct 18 → 2009 Oct 21

Publication series

Name	Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
ISSN (Print)	0084-9162

Conference

Conference	2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
Country/Territory	United States
City	Virginia Beach, VA
Period	09/10/18 → 09/10/21

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/CEIDP.2009.5377899

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 CEIDP - 2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (pp. 646-649). Article 5377899 (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP). 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 et al.
CEIDP - 2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena. 2009. p. 646-649 5377899 (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP).

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 CEIDP - 2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena., 5377899, Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, pp. 646-649, 2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, Virginia Beach, VA, United States, 09/10/18. https://doi.org/10.1109/CEIDP.2009.5377899

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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.",

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AU - Ohki, Yoshimichi

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

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