The influence of titanium dioxide additive on the short-term DC breakdown strength of polyethylene

M. S Khalil; Peter O Henk; Mogens Henriksen

doi:10.1109/ELINSL.1990.109753

The influence of titanium dioxide additive on the short-term DC breakdown strength of polyethylene

M. S Khalil, Peter O Henk, Mogens Henriksen

Danish Electrical Research Institute

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Abstract

The effect of the addition of 1% by weight of titanium dioxide fine particles to low-density polyethylene (LDPE) on the short-term DC breakdown strength of the LDPE was investigated using direct and reverse polarity voltages. The samples used were cylinders of both plain and doped materials, with hemispherically tipped cylindrical electrodes completely embedded in the material, with a minimum gap length between the electrode tips of 0.25 mm. All tests were conducted at room temperature. Results indicate that, although the addition of TiO2 reduces the DC breakdown strength of the doped material if compared to the plain material, it significantly improves its DC reverse polarity characteristics. The doped material seems to be insensitive to the DC polarity reversals. The observed beneficial effect of the addition of TiO2 on the DC reverse polarity characteristics is attributed to the role of this additive in modifying the trapping levels in the polymer, and the consequent change in the space charge pattern in the doped material

Original language	English
Journal	I E E E International Symposium on Electrical Insulation. Conference Record
Pages (from-to)	268-271
ISSN	0164-2006
DOIs	https://doi.org/10.1109/ELINSL.1990.109753
Publication status	Published - 1990
Event	1990 IEEE International Symposium on Electrical Insulation - Toronto, Canada Duration: 3 Jun 1990 → 6 Jun 1990

Conference

Conference	1990 IEEE International Symposium on Electrical Insulation
Country/Territory	Canada
City	Toronto
Period	03/06/1990 → 06/06/1990

Bibliographical note

Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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@inproceedings{da27d5a13ca94887a193d8af0c79c86f,

title = "The influence of titanium dioxide additive on the short-term DC breakdown strength of polyethylene",

abstract = "The effect of the addition of 1% by weight of titanium dioxide fine particles to low-density polyethylene (LDPE) on the short-term DC breakdown strength of the LDPE was investigated using direct and reverse polarity voltages. The samples used were cylinders of both plain and doped materials, with hemispherically tipped cylindrical electrodes completely embedded in the material, with a minimum gap length between the electrode tips of 0.25 mm. All tests were conducted at room temperature. Results indicate that, although the addition of TiO2 reduces the DC breakdown strength of the doped material if compared to the plain material, it significantly improves its DC reverse polarity characteristics. The doped material seems to be insensitive to the DC polarity reversals. The observed beneficial effect of the addition of TiO2 on the DC reverse polarity characteristics is attributed to the role of this additive in modifying the trapping levels in the polymer, and the consequent change in the space charge pattern in the doped material",

author = "Khalil, {M. S} and Henk, {Peter O} and Mogens Henriksen",

note = "Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.; 1990 IEEE International Symposium on Electrical Insulation ; Conference date: 03-06-1990 Through 06-06-1990",

year = "1990",

doi = "10.1109/ELINSL.1990.109753",

language = "English",

pages = "268--271",

journal = "I E E E International Symposium on Electrical Insulation. Conference Record",

issn = "0164-2006",

publisher = "Institute of Electrical and Electronics Engineers",

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T1 - The influence of titanium dioxide additive on the short-term DC breakdown strength of polyethylene

AU - Khalil, M. S

AU - Henk, Peter O

AU - Henriksen, Mogens

N1 - Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

PY - 1990

Y1 - 1990

N2 - The effect of the addition of 1% by weight of titanium dioxide fine particles to low-density polyethylene (LDPE) on the short-term DC breakdown strength of the LDPE was investigated using direct and reverse polarity voltages. The samples used were cylinders of both plain and doped materials, with hemispherically tipped cylindrical electrodes completely embedded in the material, with a minimum gap length between the electrode tips of 0.25 mm. All tests were conducted at room temperature. Results indicate that, although the addition of TiO2 reduces the DC breakdown strength of the doped material if compared to the plain material, it significantly improves its DC reverse polarity characteristics. The doped material seems to be insensitive to the DC polarity reversals. The observed beneficial effect of the addition of TiO2 on the DC reverse polarity characteristics is attributed to the role of this additive in modifying the trapping levels in the polymer, and the consequent change in the space charge pattern in the doped material

AB - The effect of the addition of 1% by weight of titanium dioxide fine particles to low-density polyethylene (LDPE) on the short-term DC breakdown strength of the LDPE was investigated using direct and reverse polarity voltages. The samples used were cylinders of both plain and doped materials, with hemispherically tipped cylindrical electrodes completely embedded in the material, with a minimum gap length between the electrode tips of 0.25 mm. All tests were conducted at room temperature. Results indicate that, although the addition of TiO2 reduces the DC breakdown strength of the doped material if compared to the plain material, it significantly improves its DC reverse polarity characteristics. The doped material seems to be insensitive to the DC polarity reversals. The observed beneficial effect of the addition of TiO2 on the DC reverse polarity characteristics is attributed to the role of this additive in modifying the trapping levels in the polymer, and the consequent change in the space charge pattern in the doped material

U2 - 10.1109/ELINSL.1990.109753

DO - 10.1109/ELINSL.1990.109753

M3 - Conference article

SP - 268

EP - 271

JO - I E E E International Symposium on Electrical Insulation. Conference Record

JF - I E E E International Symposium on Electrical Insulation. Conference Record

SN - 0164-2006

T2 - 1990 IEEE International Symposium on Electrical Insulation

Y2 - 3 June 1990 through 6 June 1990

ER -

The influence of titanium dioxide additive on the short-term DC breakdown strength of polyethylene

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