研究了高分子聚合物绝缘材料在强电场下发生的应力转化与补偿现象.发现外加电场可以转化为材料耐受的机械应力,形成机械应变;反之,外加机械应力或残余应力又可以补偿电场作用,影响材料的击穿电压和场强.这种转化和补偿的定量关系与材料的松弛特性有关,由此导出的材料击穿场强公式可用于定量评估应力/应变以及杨氏模量对材料介电性能的影响.
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