{"title":"A mathematical model for charging currents of polymeric insulating materials","authors":"G. Montanari, A. Motori, F. Sandrolini","doi":"10.1109/ICPADM.1994.413929","DOIUrl":null,"url":null,"abstract":"A model for the long-term behavior of charging current is proposed. It is based on the \"universal\" law of Jonscher (1983), where a threshold term, function of the steady-state current, has been introduced. On the basis of several sets of data relevant to different insulating polymeric materials, it is shown that the DC conductivity can be evaluated, in many cases, even by not too-long test times. Correct estimates of the activation energy of conduction, as well as of polarization processes, can be obtained by means of the model.<<ETX>>","PeriodicalId":331058,"journal":{"name":"Proceedings of 1994 4th International Conference on Properties and Applications of Dielectric Materials (ICPADM)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1994 4th International Conference on Properties and Applications of Dielectric Materials (ICPADM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPADM.1994.413929","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
A model for the long-term behavior of charging current is proposed. It is based on the "universal" law of Jonscher (1983), where a threshold term, function of the steady-state current, has been introduced. On the basis of several sets of data relevant to different insulating polymeric materials, it is shown that the DC conductivity can be evaluated, in many cases, even by not too-long test times. Correct estimates of the activation energy of conduction, as well as of polarization processes, can be obtained by means of the model.<>
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