超拉伸聚偏氟乙烯的电阻率

Conference on Electrical Insulation & Dielectric Phenomena - Annual Report 1982 Pub Date : 1982-10-01 DOI:10.1109/CEIDP.1982.7726527

A. J. Bur

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引用次数: 1

摘要

该实验室之前的测量表明，机械取向和无取向PVDF的电击穿强度和电阻率存在显著差异[1]。无取向样品不仅击穿强度低(0.5 MV/cm)，而且其电阻率比机械取向样品的电阻率低一个数量级或更多。虽然我们没有测量定向PVDF的击穿强度，但我们已经观察到它足够高，可以在室温下应用高达2.5 MV/cm的极化场一分钟。

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Resistivity of ultra drawn polyvinylidene fluoride

Previous measurements from this laboratory showed that there is a significant difference in the electrical breakdown strength and resistivities of mechanically oriented and unoriented PVDF [1]. Unoriented samples not only had low breakdown strength (0.5 MV/cm) but also had resistivities which were an order of magnitude or more less than the resistivities of the mechanically oriented samples. Although we have not measured the breakdown strength for oriented PVDF, we have observed that it is high enough to permit the application of poling fields as high as 2.5 MV/cm at room temperature for one minute.

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Conference on Electrical Insulation & Dielectric Phenomena - Annual Report 1982

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