聚合物中水树的引发与生长不仅与多个内部、外部参数有直接的关系,还与这些参数之间的协同作用有关.在研究水树生长的过程中,采用统计方法是非常必要的,这些统计方法首先要包括可靠的重要变量,还要能够对大量的试验结果进行合理的解释.运用田口方法和有限元法相结合的模拟方法可以在短时间内找到诱发水树的原因,还可以表征水树的危险性并采取适当的方法加以抑制其生长.数值分析及水树培养试验结果显示,水树内部的介电常数及介电常数分布是影响水树诱发的主要原因,而水树本身的几何尺寸的作用则相对次要.
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