Changes in Chemical Structure and Mechanical Properties Induced in Cross-linked Polyethylene by Thermal and Radiation Aging

研究成果: Conference contribution

抄録

The degradation behavior of cross-linked polyethylene (XLPE) exposed to heat and radiation was investigated, focusing on its changes in chemical structure and mechanical properties. Infrared absorption spectroscopy (FT-IR), differential scanning calorimetry (DSC), and tensile tests were conducted. At the aging condition becomes more severe, the absorption due to carbonyl groups increases. In accord with this, the elongation at break decreases exponentially, while the enthalpy of fusion due to the melting of crystals decreases. When XLPE is exposed to heat and radiation, it is oxidized, which lowers the crystallinity and makes the crystals smaller. As a result, the mechanical properties of XLPE become degraded.

本文言語English
ホスト出版物のタイトルProceedings of the 2020 IEEE 3rd International Conference on Dielectrics, ICD 2020
出版社Institute of Electrical and Electronics Engineers Inc.
ページ45-48
ページ数4
ISBN(電子版)9781728189833
DOI
出版ステータスPublished - 2020 7 5
イベント3rd IEEE International Conference on Dielectrics, ICD 2020 - Virtual, Valencia, Spain
継続期間: 2020 7 52020 7 9

出版物シリーズ

名前Proceedings of the 2020 IEEE 3rd International Conference on Dielectrics, ICD 2020

Conference

Conference3rd IEEE International Conference on Dielectrics, ICD 2020
国/地域Spain
CityVirtual, Valencia
Period20/7/520/7/9

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 電子材料、光学材料、および磁性材料

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