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Weibull Statistics In Electrical Aging of Polyesterimide Under AC Voltage

机译:交流电压下聚酯酰亚胺电老化的威布尔统计

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摘要

This article is aimed at the investigation of electrical aging of polyesterimide under AC voltage using Weibull statistical analysis. It's shown that the time to breakdown characteristic (V-t) of polyesterimide includes two zones (segments of straight line). The first zone characterizes a statistical dispersion of the intrinsic defects of material. The second zone expresses the real aging of polymer. The variation of the slope of lifetime curve is attributed to the change in the degradation mechanism.
机译:本文旨在使用Weibull统计分析方法研究AC电压下聚酯酰亚胺的电老化。结果表明,聚酯酰亚胺的击穿时间(V-t)包括两个区域(直线段)。第一区域表征材料固有缺陷的统计分散。第二个区域表示聚合物的实际老化。寿命曲线斜率的变化归因于降解机理的变化。

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