1H NMR Tests on Damaged and Undamaged XLPE Samples

  • Taiji Wang
  • , Lydia Gkoura
  • , Noureddine Harid
  • , Georgios Papavassiliou
  • , Huw Griffiths

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

XLPE (Cross-linked polyethylene) samples were subjected to high voltage AC in a plane-plane configuration and the voltage was increased to a level such that discharge was observed across the surface of the test sample for durations up to 10hrs. Selected stressed samples together with virgin samples from the same manufactured batch were tested using NMR (Nuclear Magnetic Resonance) spectroscopy. Specifically, 1H NMR spin-lattice (T1) and spin-spin (T2) relaxation time measurements were employed to examine potential changes in the chemical bonding of undamaged and damaged XLPE samples. Preliminary data show that there may be a moderate increase in the T1 and T2 values of the damaged samples in comparison to the undamaged ones. This raises the possibility that NMR can be a useful additional experimental tool in characterizing material degradation.

Original languageBritish English
Title of host publicationICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538650868
DOIs
StatePublished - 13 Feb 2019
Event2018 IEEE International Conference on High Voltage Engineering and Application, ICHVE 2018 - Athens, Greece
Duration: 10 Sep 201813 Sep 2018

Publication series

NameICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application

Conference

Conference2018 IEEE International Conference on High Voltage Engineering and Application, ICHVE 2018
Country/TerritoryGreece
CityAthens
Period10/09/1813/09/18

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