核电站的控制系统等需要大量的电线电缆,这些电缆的耐辐射性能至关重要.高能辐射对固态聚合物有多种作用,包括引发交联以及链裂解等.水树是影响交联聚乙烯电缆,特别是中低压电缆使用寿命的重要因素.本文?哪 研究了γ辐射对交联聚乙烯电缆绝缘水树行为的影响.结果显示,在0～3 000 kGy辐照剂量之内,水树的长度与密度随着辐照剂量的增加而增加.
参考文献
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