局部放电下交联聚乙烯的高温改性

Proceedings of the 3rd International Conference on Conduction and Breakdown in Solid Dielectrics Pub Date : 1989-07-03 DOI:10.1109/ICSD.1989.69220

M. Gamez-Garcia, R. Bartnikas, M. Wertheimer

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引用次数: 0

摘要

介绍了高温电晕放电下交联聚乙烯(XLPE)表面降解的研究结果。电晕的持续时间长达24小时，在此期间，样品温度保持在20摄氏度到160摄氏度之间的选定值。在暴露期间，使用多通道分析仪监测电晕脉冲高度分布。电晕处理后，对样品进行了理化分析。给出了反应产物的演化、表面氧化和本体氧化的研究结果。

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High temperature modification of XLPE exposed to partial discharges

Results of surface degradation studies of XLPE (cross-linked polyethylene) under corona discharges at elevated temperature are presented. Corona was applied for durations up to 24 hr, during which time the sample temperature was maintained constant at a selected value between 20 degrees C and 160 degrees C. Corona pulse-height distributions were monitored during the exposure period using a multichannel analyzer. After corona treatment, the specimens were analyzed by several physical and chemical techniques. Results on the evolution of reaction products and on surface and bulk oxidation are presented.<>

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Proceedings of the 3rd International Conference on Conduction and Breakdown in Solid Dielectrics

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