在任何降解之前,在现场和温度条件下对聚乙烯微观结构进行直接光学观察

C. Bertin, J. Guastavino, M. Briot, A. Campus, P. Druot
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引用次数: 4

摘要

本文提出了一种方法来了解在电应力作用下lde的微观结构在材料老化过程中所起的作用。光学观察和结构演变的图像处理揭示了类似于“疲劳过程”的物理行为。虽然施加的电场大约是电缆工作电场的35倍,但我们在样品中没有观察到任何树木。
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Direct optical observation of polyethylene microstructures under field and temperature conditions, before any degradation
An approach was made to understand the role played by the microstructure of a LPDE in the ageing process of this material under electric stress. An optical observation and an image treatment of the structure evolution reveal a physical behaviour comparable to a "fatigue process". Although the applied field was about 35 times the working field of a cable we have not observed any tree in the samples.
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