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Thermal Aging Predictions of Polymeric Materials from Arrhenius Plot Using TGA  

Sim, Dae-Seop (한국전기연구원 전기시험연구소)
Park, Seong-Gyun (한국전기연구원 전기시험연구소)
Lee, Cheol-Ho (평일산업(주))
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.51, no.10, 2002 , pp. 473-478 More about this Journal
Abstract
Accelerated thermal aging conditions of polymeric materials were studied by Kissinger equation with TGA analysis. The activation energy was obtained from the slope of straight line of each specimen at the different TGA heating rate. Estimating activation energy from Kissinger equation was acquired, and the resulting calculation showed that 3.59, 3.0, 3.86, 3.73 for the PEEK, polyimide, polysulfone and Viton, respectively. The studied polymeric specimens are used for electrical penetration assembly in nuclear power plant. Accelerated aging time and temperature were also determined corresponding to actual service temperature and 41 years.
Keywords
Thermal aging; Kissinger; TGA; Polymeric materials;
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