{"title":"煤的废副产物飞灰在屏蔽中的应用","authors":"Monika Mishra, Avanish Pratap Singh, S.K. Dhawan","doi":"10.13074/jent.2013.02.nciset313","DOIUrl":null,"url":null,"abstract":"A matrix having conducting, magnetic and dielectric filler, due to their unique attenuation and electrical properties have shown their potential application in electromagnetic interference (EMI) shielding. However, the difficulties of reflection of microwave are yet to be overcome. Recently, exfoliated graphite along with iron oxide and fly ash found to a better alternate to the conventional shielding materials. Conductivity of composites lies in the range 0.013\"14.57 S/cm. The microwave absorption properties of the composites have been studied in the 8.2-12.4 GHz (X”Band) frequency range which shows a shielding effectiveness up-to 59.83 dB, which strongly depends on dielectric loss and weight fraction of fly ash and γ-Fe2O3 in EG matrix.","PeriodicalId":36296,"journal":{"name":"Journal of Water and Environmental Nanotechnology","volume":"4 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Utilization of Fly Ash - A Waste Byproduct of Coal for Shielding Application\",\"authors\":\"Monika Mishra, Avanish Pratap Singh, S.K. Dhawan\",\"doi\":\"10.13074/jent.2013.02.nciset313\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A matrix having conducting, magnetic and dielectric filler, due to their unique attenuation and electrical properties have shown their potential application in electromagnetic interference (EMI) shielding. However, the difficulties of reflection of microwave are yet to be overcome. Recently, exfoliated graphite along with iron oxide and fly ash found to a better alternate to the conventional shielding materials. Conductivity of composites lies in the range 0.013\\\"14.57 S/cm. The microwave absorption properties of the composites have been studied in the 8.2-12.4 GHz (X”Band) frequency range which shows a shielding effectiveness up-to 59.83 dB, which strongly depends on dielectric loss and weight fraction of fly ash and γ-Fe2O3 in EG matrix.\",\"PeriodicalId\":36296,\"journal\":{\"name\":\"Journal of Water and Environmental Nanotechnology\",\"volume\":\"4 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-01-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Water and Environmental Nanotechnology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.13074/jent.2013.02.nciset313\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"Materials Science\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Water and Environmental Nanotechnology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.13074/jent.2013.02.nciset313","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Materials Science","Score":null,"Total":0}
Utilization of Fly Ash - A Waste Byproduct of Coal for Shielding Application
A matrix having conducting, magnetic and dielectric filler, due to their unique attenuation and electrical properties have shown their potential application in electromagnetic interference (EMI) shielding. However, the difficulties of reflection of microwave are yet to be overcome. Recently, exfoliated graphite along with iron oxide and fly ash found to a better alternate to the conventional shielding materials. Conductivity of composites lies in the range 0.013"14.57 S/cm. The microwave absorption properties of the composites have been studied in the 8.2-12.4 GHz (X”Band) frequency range which shows a shielding effectiveness up-to 59.83 dB, which strongly depends on dielectric loss and weight fraction of fly ash and γ-Fe2O3 in EG matrix.
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