| 隔离器负载用微波吸收材料的研制 |
| |
| 引用本文： | 邓晓东,彭承敏,徐光亮,李扬兴,王向楠.隔离器负载用微波吸收材料的研制[J].电子元件与材料,2009,28(7). |
| |
| 作者姓名： | 邓晓东 彭承敏 徐光亮 李扬兴 王向楠 |
| |
| 作者单位： | 1. 西南科技大学,新材料研究所,材料科学与工程学院,四川,绵阳,621010
2. 西南应用磁学研究所,四川,绵阳,621000 |
| |
| 基金项目： | 西南科技大学博士基金资助项目 |
| |
| 摘 要： | 以环氧树脂为基体、羰基铁粉为吸收剂制备复合微波吸收材料。对获得的羰基铁粉/环氧树脂复合材料的击穿电压强度、密度和吸收损耗进行了测试,并对使用该材料的隔离器性能进行了研究。结果表明:羰基铁粉在树脂中分散性较好,颗粒之间的绝缘程度很高,吸收材料的吸收损耗大,承受功率高。密度为3.83g/cm3的试样,击穿电压强度达763V/mm,8～12GHz频率内吸收损耗在2.5～4.5dB/mm。隔离器负载中使用该材料,器件电压驻波比(VSWR)≤1.2时,隔离度≥20dB,相对带宽为25%,承受功率≥5W。
|
| 关 键 词： | 隔离器 带线状 负载 羰基铁粉 微波吸收材料 |
Development of microwave absorbing composite used in the load side of isolator |
| |
| DENG Xiaodong,PENG Chengmin,XU Guangliang,LI Yangxing,WANG Xiangnan.Development of microwave absorbing composite used in the load side of isolator[J].Electronic Components & Materials,2009,28(7). |
| |
| Authors: | DENG Xiaodong PENG Chengmin XU Guangliang LI Yangxing WANG Xiangnan |
| |
| Affiliation: | 1. Institute of New Materials;School of Material Science and Engineering;Southwest University of Science and Technology;Mianyang 621010;Sichuan Province;China;2. Southwest Institute of Applied Magnetics;Mianyang 621000;China |
| |
| Abstract: | Microwave absorbing composite with epoxy resin as matrix and carbonyl iron powder as absorber was prepared. The breakdown voltage, density and absorption loss of prepared composite were measured, and the properties of isolator fabricated with this composite were studied. The results show that carbonyl iron powders are well dispersed in the epoxy resin matrix, and the insulation level among carbonyl iron powders is quite high. High absorption loss and high power handling capability are found for the prepared... |
| |
| Keywords: | isolator stripline load carbonyl iron powder microwave absorbing material |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
