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Characterization of Microwave Ceramics with Low Permittivity and High Quality Factors

机译：低介电常数和高品质因数的微波陶瓷的表征

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摘要

A new type of porous ceramics, Mg_2SiO_4, for microwave application with low permittivity and high quality factors were prepared via gel-casting processing in this paper. Microstructure of the ceramics was observed and crystal structure of the samples was also identified. Moreover, emphasis was paid on the characterization of the microwave ceramics. Dielectric properties of the ceramics were measured by an automatic system of microwave measurement, resulting in dielectric constant of 3.51 and quality factor of 11,774 for the ceramic sample at frequency about 1 OGHz. Mechanical performance of the samples were also evaluated with maximal bending strength of 140MPa.
机译：通过凝胶浇铸工艺制备了一种新型的多孔陶瓷，Mg_2SiO_4，用于微波应用，具有低介电常数和高品质因数。观察到陶瓷的微观结构，并且还鉴定了样品的晶体结构。此外，重点放在微波陶瓷的表征上。陶瓷的介电性能通过自动微波测量系统进行测量，得出陶瓷样品在约1 GHz的频率下的介电常数为3.51，品质因数为11,774。还以140MPa的最大弯曲强度评估了样品的机械性能。

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  • 来源
    《Key Engineering Materials》 |2010年第2010期|244-246|共3页
  • 作者

    Z.X. Xiong; rnM.Y. Zhou; rnH. Xue; rnH. Qiu; rnF. Xiao;

  • 作者单位

    Department of Materials Science and Engineering, Xiamen University, Xiamen 361005, China;

    rnDepartment of Materials Science and Engineering, Xiamen University, Xiamen 361005, China;

    rnDepartment of Materials Science and Engineering, Xiamen University, Xiamen 361005, China;

    rnDepartment of Materials Science and Engineering, Xiamen University, Xiamen 361005, China;

    rnDepartment of Physics, Xiamen University, Xiamen 361005, China;

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  • 正文语种 eng
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  • 关键词

    microwave ceramics; dielectric property; mechanical performance;

    机译：微波陶瓷;介电性能机械性能;

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