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玻璃包覆Fe基非晶微丝制备及其微波电磁特性

Preparation of amouphous glass-covered Fe-rich microwires and its microwave properties

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【作者】 江建军吴挺华邸永江何华辉

【Author】 Jiang Jianjun Wu Tinghua Di Yongjiang He Huahui (Department of Electronics Science and Technology,Huazhong University of Science and Technology,Wuhan 430074,China)

【机构】 华中科技大学电子科学与技术系华中科技大学电子科学与技术系 湖北武汉430074湖北武汉430074

【摘要】 采用Taylor-Ulitovsky方法制备了非晶态玻璃包覆Fe基微丝,合金芯直径为16μm,玻璃包覆层厚度为3μm.利用X射线衍射和扫描电镜对非晶态玻璃包覆Fe基微丝进行了组织和结构分析,并采用微波网络矢量分析仪测量了试样的微波电磁参数,计算了样品在2~18 GHz的反射率曲线,结果显示在高频时玻璃包覆Fe基非晶微丝阻抗匹配性好,吸收率高.

【Abstract】 Amorphous glass-coated microwires with its diameters of 16 μm and the glass-covered thicknesses of 3μm were prepared by the Tayor-Ulitovsky method and their microstructure were analyzed by X-ray diffraction and SEM.The microwires samples′ microwave electromagnetic parameters were measured by microwave vector network analyzer and their power absorptions were calculated during 2~18 GHz.Testing results shows that the microwires give good compatible impedances and high power absorption on high frequency bands.

【基金】 国家自然科学基金资助项目(50371029)
  • 【文献出处】 华中科技大学学报(自然科学版) ,Journal of Huazhong University of Science and Technology(Nature Science Edition) , 编辑部邮箱 ,2007年04期
  • 【分类号】TN304.7
  • 【被引频次】4
  • 【下载频次】198
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