注入电荷引发电树链断裂机理及氧的作用

Conference on Electrical Insulation & Dielectric Phenomena — Annual Report 1987 Pub Date : 1987-10-01 DOI:10.1109/CEIDP.1987.7736592

N. Shimizu, K. Uchida, K. Horii

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引用次数: 20

摘要

我们对聚乙烯的树形现象进行了广泛的研究。77 K时的成树阻力远高于常温下的成树阻力[1]。我们还报道了样品脱气后，室温下交流树的启动电压急剧增加;聚合物中吸收的氧的去除抑制了树状通道的生长[2]。

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Initiation mechanism of electrical tree — chain scission by injected charge and role of oxygen

We made extensive studies on treeing phenomena of polyethylene. The treeing resistance at 77 K is much higher than that at room temperature [1]. We also reported that the ac tree starting voltage at room temperature is drastically increased by degassing of sample; the removal of oxygen absorbed in polymer suppresses the tree channel growth [2].

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Conference on Electrical Insulation & Dielectric Phenomena — Annual Report 1987

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