{"title":"硅橡胶外壳和涂层的热激退极化电流","authors":"S. Gubanski","doi":"10.1109/ICPADM.1991.172131","DOIUrl":null,"url":null,"abstract":"The TSD fractional polarization current technique was applied to characterize changes in silicone rubber based materials that were exposed to an aging process in natural service conditions as HV outdoor composite insulation housings and coatings. An elevated temperature polarization process, which is characteristic for silicone rubbers, was analyzed and the distribution of thermokinetic parameters of its relaxation time tau , such as preexponential factor tau /sub oa/ and activation enthalpy Delta H, was found. The natural aging process leads to a drastic decrease of the tau /sub oa/ values, while the Delta H values increase slightly.<<ETX>>","PeriodicalId":6450,"journal":{"name":"[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials","volume":"15 1","pages":"81-84 vol.1"},"PeriodicalIF":0.0000,"publicationDate":"1991-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Thermostimulated depolarization (TSD) currents of silicone rubber housings and coatings\",\"authors\":\"S. Gubanski\",\"doi\":\"10.1109/ICPADM.1991.172131\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The TSD fractional polarization current technique was applied to characterize changes in silicone rubber based materials that were exposed to an aging process in natural service conditions as HV outdoor composite insulation housings and coatings. An elevated temperature polarization process, which is characteristic for silicone rubbers, was analyzed and the distribution of thermokinetic parameters of its relaxation time tau , such as preexponential factor tau /sub oa/ and activation enthalpy Delta H, was found. The natural aging process leads to a drastic decrease of the tau /sub oa/ values, while the Delta H values increase slightly.<<ETX>>\",\"PeriodicalId\":6450,\"journal\":{\"name\":\"[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials\",\"volume\":\"15 1\",\"pages\":\"81-84 vol.1\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-07-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICPADM.1991.172131\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPADM.1991.172131","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Thermostimulated depolarization (TSD) currents of silicone rubber housings and coatings
The TSD fractional polarization current technique was applied to characterize changes in silicone rubber based materials that were exposed to an aging process in natural service conditions as HV outdoor composite insulation housings and coatings. An elevated temperature polarization process, which is characteristic for silicone rubbers, was analyzed and the distribution of thermokinetic parameters of its relaxation time tau , such as preexponential factor tau /sub oa/ and activation enthalpy Delta H, was found. The natural aging process leads to a drastic decrease of the tau /sub oa/ values, while the Delta H values increase slightly.<>
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