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Dataset for: The effects of Hydration on the DC Breakdown Strength of Polyethylene Composites Employing Oxide and Nitride Fillers

Dataset for: The effects of Hydration on the DC Breakdown Strength of Polyethylene Composites Employing Oxide and Nitride Fillers
Dataset for: The effects of Hydration on the DC Breakdown Strength of Polyethylene Composites Employing Oxide and Nitride Fillers
This dataset is intended to be used in conjunction with the journal publication;"The effects of Hydration on the DC Breakdown Strength of Polyethylene Composites Employing Oxide and Nitride Fillers"Authors: I. L. Hosier, M. Praeger, A. S. Vaughan and S. G. Swinglerto be published in IEEE Transactions on Dielectrics and Electrical Insulation (accepted for publication 27th April 2017)The excel file contains the raw data used to generate each figure on a seperate tab.Abstract: Particle dispersion, water absorption/desorption and electrical breakdown behavior were studied in a range of polyethylene composites having a common matrix morphology. Three different conditioning routes (dry, ambient and wet) were used to vary the absorbed water content. Systems employing oxide fillers (silica and alumina) were found to have poor or intermediate levels of particle dispersion and could absorb/desorb significant amounts of water. Consequently, they required drying to provide breakdown strengths comparable to that of the host matrix. Systems based on calcined silica exhibited reduced water absorption and provided improved breakdown strength after ambient conditioning, despite having an identical dispersion to those utilizing untreated silica. Composites employing nitride fillers (silicon nitride and aluminum nitride) were found to have good or intermediate levels of particle dispersion. These absorbed far less water and hence provided breakdown strength values comparable to that of the host matrix following ambient conditioning. Their breakdown strength was degraded after wet conditioning with both exhibiting similar breakdown strengths despite there being a large difference in the level of particle dispersion between the two fillers. In composites based upon a hydrophobic host matrix, water absorption is largely determined by particle surface chemistry and, although the above results are presented in terms of water absorption, we suggest that changes in this characteristic can be interpreted as a proxy for changed surface chemistry. The results suggest that surface chemistry is at least as important as particle dispersion in determining the electrical breakdown strength.
Composites, water absorption, morphology, dielectric breakdown strength
University of Southampton
Hosier, Ian
6a44329e-b742-44de-afa7-073f80a78e26
Vaughan, Alun
6d813b66-17f9-4864-9763-25a6d659d8a3
Praeger, Matthew
84575f28-4530-4f89-9355-9c5b6acc6cac
Hosier, Ian
6a44329e-b742-44de-afa7-073f80a78e26
Vaughan, Alun
6d813b66-17f9-4864-9763-25a6d659d8a3
Praeger, Matthew
84575f28-4530-4f89-9355-9c5b6acc6cac

Hosier, Ian (2017) Dataset for: The effects of Hydration on the DC Breakdown Strength of Polyethylene Composites Employing Oxide and Nitride Fillers. University of Southampton doi:10.5258/SOTON/D0026 [Dataset]

Record type: Dataset

Abstract

This dataset is intended to be used in conjunction with the journal publication;"The effects of Hydration on the DC Breakdown Strength of Polyethylene Composites Employing Oxide and Nitride Fillers"Authors: I. L. Hosier, M. Praeger, A. S. Vaughan and S. G. Swinglerto be published in IEEE Transactions on Dielectrics and Electrical Insulation (accepted for publication 27th April 2017)The excel file contains the raw data used to generate each figure on a seperate tab.Abstract: Particle dispersion, water absorption/desorption and electrical breakdown behavior were studied in a range of polyethylene composites having a common matrix morphology. Three different conditioning routes (dry, ambient and wet) were used to vary the absorbed water content. Systems employing oxide fillers (silica and alumina) were found to have poor or intermediate levels of particle dispersion and could absorb/desorb significant amounts of water. Consequently, they required drying to provide breakdown strengths comparable to that of the host matrix. Systems based on calcined silica exhibited reduced water absorption and provided improved breakdown strength after ambient conditioning, despite having an identical dispersion to those utilizing untreated silica. Composites employing nitride fillers (silicon nitride and aluminum nitride) were found to have good or intermediate levels of particle dispersion. These absorbed far less water and hence provided breakdown strength values comparable to that of the host matrix following ambient conditioning. Their breakdown strength was degraded after wet conditioning with both exhibiting similar breakdown strengths despite there being a large difference in the level of particle dispersion between the two fillers. In composites based upon a hydrophobic host matrix, water absorption is largely determined by particle surface chemistry and, although the above results are presented in terms of water absorption, we suggest that changes in this characteristic can be interpreted as a proxy for changed surface chemistry. The results suggest that surface chemistry is at least as important as particle dispersion in determining the electrical breakdown strength.

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More information

Published date: 15 March 2017
Keywords: Composites, water absorption, morphology, dielectric breakdown strength
Organisations: EEE

Identifiers

Local EPrints ID: 410328
URI: http://eprints.soton.ac.uk/id/eprint/410328
PURE UUID: 6a9d4d74-e599-4157-8a4f-1313db5170ac
ORCID for Ian Hosier: ORCID iD orcid.org/0000-0003-4365-9385
ORCID for Alun Vaughan: ORCID iD orcid.org/0000-0002-0535-513X
ORCID for Matthew Praeger: ORCID iD orcid.org/0000-0002-5814-6155

Catalogue record

Date deposited: 07 Jun 2017 04:19
Last modified: 13 Aug 2020 01:38

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Contributors

Creator: Ian Hosier ORCID iD
Contributor: Alun Vaughan ORCID iD
Contributor: Matthew Praeger ORCID iD

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