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Ageing Assessment of XLPE LV Cables for Nuclear Applications through Physico-Chemical and Electrical Measurements

Type
Articles dans des revues avec comité de lecture
Auteur
SURACI, Simone Vincenzo
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
FABIANI, Davide
453448 University of Bologna
XU, Anne
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
ROLAND, Sébastien
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
COLIN, Xavier
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/18387
DOI
10.1109/ACCESS.2020.2970833
Date
2020
Journal
IEEE Access

Résumé

This paper investigates the changes in electrical and physico-chemical properties of low-voltage power cables for nuclear application when subjected to the combined effects of gamma radiation and temperature. Electrical response is evaluated by means of the dielectric spectroscopy, while the physico-chemical changes are analyzed at different structural scales through five complementary techniques (OIT measurements, FTIR spectroscopy, swelling measurements, DSC analysis and micro-indentation). The dielectric spectroscopy and the first two chemical techniques are shown to be appropriate for evaluating the development of radio-thermal ageing in low-voltage cables. Hence, the results reported in this article suggest the effectiveness of dielectric spectroscopy as a non-destructive technique for on-site cable diagnosis.

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PIMM_IIEE_2020_SURACI.pdf
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Documents liés

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  • Degradation assessment of polyethylene-based material through electrical and chemical-physical analyses 
    SURACI, Simone Vincenzo; FABIANI, Davide; MAZZOCCHETTI, Laura; GIORGINI, Loris (MDPI, 2020)
    The usability of any material hinges upon its stability over time. One of the major concerns, focusing on polymeric materials, is the degradation they face during their service life. The degradation mechanisms are deeply ...
  • Thermal ageing of a silane-crosslinked polyethylene stabilised with a thiodipropionate antioxidant 
    XU, Anne; ROLAND, Sébastien; COLIN, Xavier (Elsevier, 2020)
    he thermal ageing of a silane-crosslinked polyethylene stabilised with 1 wt% of distearyl thiodipropionate (Irganox PS802) was studied in air at three different temperatures: 87 °C, 110 °C, and 130 °C. FTIR spectroscopy ...
  • Physico-chemical characterization of the blooming of Irganox 1076® antioxidant onto the surface of a silane-crosslinked polyethylene 
    XU, Anne; ROLAND, SEBASTIEN; COLIN, Xavier (Elsevier, 2020)
    This study aims at investigating the blooming of Irganox 1076® onto the surface of a silane-crosslinked polyethylene. Preliminary studies on the commercial Irganox 1076® powder enabled to identify its crystalline structure ...
  • A new analytical model for predicting the radio-thermal oxidation kinetics and the lifetime of electric cable insulation in nuclear power plants. application to silane cross-linked polyethylene 
    HETTAL, Sarah; ROLAND, Sébastien; SIPILA, Konsta; JOKI, Harri; COLIN, Xavier (Elsevier, 2021)
    The radio-thermal oxidation of silane cross-linked polyethylene (Si-XLPE) was studied in air under different γ dose rates (6.0, 8.5, 77.8, and 400 Gy.h−1) at different temperatures (21, 47, and 86°C). The changes in the ...
  • A kinetic model for predicting PET macromolecular changes during its mechanical recycling 
    NAÏT-ALI, Linda K.; BERGERET, Anne; COLIN, Xavier (EDP Sciences, 2011)
    The rheometer cavity has been used to analyse, in carefully controlled exposure conditions, the macromolecular changes generated by the mechanical recycling of PET during its extrusion. Isothermal ageing tests at 280 °C, ...

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