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Dielectric relaxation in insulators slightly damaged by stress pulses

 

作者: P. C. Lysne,  

 

期刊: Journal of Applied Physics  (AIP Available online 1983)
卷期: Volume 54, issue 6  

页码: 3160-3165

 

ISSN:0021-8979

 

年代: 1983

 

DOI:10.1063/1.332473

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The relationship between incipient stress‐pulse‐induced damage and the electrical response of a piezoelectric, ferroelectric, or electrically biased dielectric is examined. The model assumes the presence of isolated inclusions of damaged material which are conducting and which may grow. Virgin insulating material surrounds the inclusion . Sillars’ model of an inhomogeneous dielectric is invoked to yield parameters of an electrically equivalent, relaxing dielectric. These parameters are used to generate the electrical response caused by propagating stress pulses. Qualitative agreement with current histories obtained from experiments onX‐cut quartz is obtained, quantitative results await further experimentation.

 

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