Electric Poling Behavior of Polymethylmethacrylate

J. B. Bernstein; C. M. Cooke

doi:10.1109/14.108145

Electric Poling Behavior of Polymethylmethacrylate

J. B. Bernstein, C. M. Cooke

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

The electrically stimulated acoustic wave method for observing resident space charge in dielectric insulators has been used to characterize the poling behavior of mm thickness samples of PMMA at temperatures from 40 to 90°C with moderate applied fields. Heterocharge appears in the bulk of every sample tested resulting in an apparent net increase of low frequency dielectric permittivity over time. In addition, a net internal charge was observed in some cases. This net charge was negative and located in the vicinity of the poling anode, and became most significant at 90°C.

Original language	English
Pages (from-to)	1087-1093
Number of pages	7
Journal	IEEE Transactions on Electrical Insulation
Volume	26
Issue number	6
DOIs	https://doi.org/10.1109/14.108145
State	Published - Dec 1991
Externally published	Yes

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Electric Poling Behavior of Polymethylmethacrylate

Abstract

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