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Degradation Assessment of Polyethylene-Based Material Through Electrical and Chemical-Physical Analyses

Author

Listed:
  • Simone Vincenzo Suraci

    (Laboratory of Innovative Materials for Electrical Systems (LIMES), Department of Electrical, Electronic and Information Engineering, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy
    PIMM, Arts et Métiers Sciences et Technologies, CNRS, Cnam, HESAM Université, 151 boulevard de l’Hôpital, 75013 Paris, France)

  • Davide Fabiani

    (Laboratory of Innovative Materials for Electrical Systems (LIMES), Department of Electrical, Electronic and Information Engineering, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy)

  • Laura Mazzocchetti

    (Industrial Chemistry Department, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy)

  • Loris Giorgini

    (Industrial Chemistry Department, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy)

Abstract

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 influenced by the aging temperature to which the material is subjected. In this paper, low-density polyethylene (LDPE) flat specimens were thermally aged under two different temperatures (90 °C and 110 °C) and analyzed. Specimens were characterized through both the most common mechanical and chemical measurements techniques (e.g., tensile stress, thermal analyses, oxidation induction time) and electrical measurements (dielectric spectroscopy, in particular), which are examples of non-destructive techniques. As a result, a very spread characterization of the polyethylene-based materials was obtained and a very good correlation was found to exist between these different techniques, highlighting the possibility of following the aging degradation development of polymers through electrical non-destructive techniques.

Suggested Citation

  • Simone Vincenzo Suraci & Davide Fabiani & Laura Mazzocchetti & Loris Giorgini, 2020. "Degradation Assessment of Polyethylene-Based Material Through Electrical and Chemical-Physical Analyses," Energies, MDPI, vol. 13(3), pages 1-13, February.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:3:p:650-:d:316035
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    Cited by:

    1. Ehtasham Mustafa & Ramy S. A. Afia & Oumaima Nouini & Zoltán Ádám Tamus, 2021. "Implementation of Non-Destructive Electrical Condition Monitoring Techniques on Low-Voltage Nuclear Cables: I. Irradiation Aging of EPR/CSPE Cables," Energies, MDPI, vol. 14(16), pages 1-16, August.
    2. Yoshimichi Ohki & Hiroyuki Ishii & Naoshi Hirai, 2021. "Degradation of Soft Epoxy Resin for Cable Penetrations Induced by Simulated Severe Accidents," Energies, MDPI, vol. 14(21), pages 1-15, October.
    3. Ehtasham Mustafa & Ramy S. A. Afia & Aamir Nawaz & Oumaima Nouini & Zoltán Ádám Tamus, 2022. "Implementation of Non-Destructive Condition Monitoring Techniques on Low-Voltage Nuclear Cables: II. Thermal Aging of EPR/CSPE Cables," Energies, MDPI, vol. 15(9), pages 1-16, April.

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