|
|||||
|
|
| Co_2W型六角晶系铁氧体的磁性与微波吸收性能 | |
| 引用本文： | 邓联文,丁丽,安维,聂彦.Co_2W型六角晶系铁氧体的磁性与微波吸收性能[J].矿冶工程,2009,29(1). |
| 作者姓名： | 邓联文 丁丽 安维 聂彦 |
| 作者单位： | 1. 中南大学物理科学与技术学院粉末冶金国家重点实验室,湖南,长沙,410083 2. 广东省公安消防总队惠州消防局,广东,惠州,516001 3. 华中科技大学电子科学与技术系,湖北,武汉,430074 |
| 基金项目： | 国家自然科学基金汁划项目 |
| 摘 要： | 采用传统的氧化物固相反应法制备组分为BaZn1.1Co0.9Fe16O27,的Co2W型六角晶系铁氧体材料,研究了工艺参数、材料组成等对软磁特性、微波电磁参量、特性阻抗及吸波性能的影响.结果表明,适当提高烧结温度有助于提高w型铁氧体材料的饱和磁化强度,减小矫顽力,从而提高其磁导率;由Co2W型六角晶系铁氧体材料构成的吸波材料的阻抗匹配特性和吸波性能可以通过材料组成、材料复合及材料厚度变化米调整,有利于高性能铁氧体吸波材料的设计和制备. |
| 关 键 词： | 吸波材料 六角晶系铁氧体 阻抗匹配 烧结工艺 |
Magnetism and Microwave Absorbing Ability of Co_2 W Type Hexagonal Ferrite |
|
| DENG Lian-wen,DING Li,AN Wei,NIE Yan.Magnetism and Microwave Absorbing Ability of Co_2 W Type Hexagonal Ferrite[J].Mining and Metallurgical Engineering,2009,29(1). | |
| Authors: | DENG Lian-wen DING Li AN Wei NIE Yan |
| Affiliation: | 1.School of Physics Science and Technology;Central South University;Changsha 410083;Hunan;China;2.The Fire Bureau of Huizhou;Guandong Chief Fire Department of Police;Huizhou 516001;Guangdong;3.Department of Electronic Science and Technology;Huazhong University of Science and Technology;Wuhan 430074;Hubei;China |
| Abstract: | The Co2W type hexaferrite material whose constituent is BaZn1.1Co0.9Fe16O27 was prepared by traditional oxide solid-phase reaction and the effects of technology parameters and constituent on soft magnetism,microwave electromagnetic parameters,characteristic impedance and microwave absorbing properties were investigated.The results show that proper increase of sintering temperature can improve the saturation magnetization of W type ferrite material and reduce coercivity so as to increase the permeability.The... |
| Keywords: | microwave absorbing material hexaferrite material impedance matching sintering technique |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |