The Proceedings of Ibaraki District Conference
Online ISSN : 2424-2683
ISSN-L : 2424-2683
2010.18
Session ID : 906
Conference information
906 Applicability of Thermoanalysis methods to Evaluation for Thermal Degradation of EP-Rubber O-rings in Substation Equipments
Morikatsu INAMINE, Yoshinobu MIZUTANI, Hiroyuki SHINKAI, Akihiro MATSUDA
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Keywords: Thermal degradation, GIS, DSC analysis, Initial Oxidation Temperature, Oxidative Induction Time, Arrhenius plot
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Abstract
This paper, an evaluation of thermal degradation characteristics of EP-rubber used for O-rings in the Gas Insulated Switch Gear (GIS) is described. The gas seal performance of GIS is an important issue for deciding the instrument duration and maintenance period. In order to establish the accurate evaluation methods for thermal degradation of GIS O-rings, biaxial tensile test was conducted to obtain material parameter of EP-rubber. Moreover, some DSC analyses were carried out to validate its applicability to the aging index of EP-rubber.
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© 2010 The Japan Society of Mechanical Engineers
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