{"title":"NiZnFe 2 O 4 包覆铁基软磁复合材料的制备及性能","authors":"吴深, 樊江磊, 刘建秀, 高红霞, 孙爱芝","doi":"10.11868/J.ISSN.1001-4381.2016.001428","DOIUrl":null,"url":null,"abstract":"采用溶胶-凝胶法制备的NiZnFe2O4作为绝缘剂包覆铁粉来制备铁基软磁复合材料,并研究了NiZnFe2O4含量和成型压力对复合材料磁性能的影响。采用SEM,EDX线扫描及元素面分布分析显示在铁粉颗粒表面存在一层均匀的NiZnFe2O4包覆层,绝缘包覆层的存在可以有效地提高软磁复合材料的电阻率。实验结果表明,随着NiZnFe2O4包覆剂含量的增加,软磁复合材料的复数磁导率实部值逐渐降低,与其他含量的样品相比,NiZnFe2O4含量为3%(质量分数,下同)的样品具有最低的复数磁导率虚部值和相对较高的复数磁导率实部值。NiZnFe2O4包覆剂的加入,可以大幅降低材料内部的磁损耗,在100kHz时其磁损耗仅为未包覆样品的16.2%。当NiZnFe2O4的含量为3%,成型压力为1000MPa时,软磁复合材料的密度达到7.14g/cm3,饱和磁感应强度为1.47T。","PeriodicalId":16195,"journal":{"name":"Journal of Materials Engineering","volume":"15 1","pages":"60-65"},"PeriodicalIF":0.0000,"publicationDate":"2017-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"NiZnFe 2 O 4 包覆铁基软磁复合材料的制备及性能\",\"authors\":\"吴深, 樊江磊, 刘建秀, 高红霞, 孙爱芝\",\"doi\":\"10.11868/J.ISSN.1001-4381.2016.001428\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"采用溶胶-凝胶法制备的NiZnFe2O4作为绝缘剂包覆铁粉来制备铁基软磁复合材料,并研究了NiZnFe2O4含量和成型压力对复合材料磁性能的影响。采用SEM,EDX线扫描及元素面分布分析显示在铁粉颗粒表面存在一层均匀的NiZnFe2O4包覆层,绝缘包覆层的存在可以有效地提高软磁复合材料的电阻率。实验结果表明,随着NiZnFe2O4包覆剂含量的增加,软磁复合材料的复数磁导率实部值逐渐降低,与其他含量的样品相比,NiZnFe2O4含量为3%(质量分数,下同)的样品具有最低的复数磁导率虚部值和相对较高的复数磁导率实部值。NiZnFe2O4包覆剂的加入,可以大幅降低材料内部的磁损耗,在100kHz时其磁损耗仅为未包覆样品的16.2%。当NiZnFe2O4的含量为3%,成型压力为1000MPa时,软磁复合材料的密度达到7.14g/cm3,饱和磁感应强度为1.47T。\",\"PeriodicalId\":16195,\"journal\":{\"name\":\"Journal of Materials Engineering\",\"volume\":\"15 1\",\"pages\":\"60-65\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-07-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Materials Engineering\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://doi.org/10.11868/J.ISSN.1001-4381.2016.001428\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Materials Engineering","FirstCategoryId":"1087","ListUrlMain":"https://doi.org/10.11868/J.ISSN.1001-4381.2016.001428","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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