ZnO掺杂对CLST微波介质陶瓷烧结及介电性能的影响

Effect of ZnO addition on sintering and dielectric properties of CLST microwave dielectric ceramics

    摘要
  • 摘要: 研究了烧结助剂ZnO对CaO-Li2O-Sm2O3-TiO2(简写为CLST)系微波介质陶瓷的烧结特性及介电性能的影响。结果表明:ZnO的添加能有效地降低CLST陶瓷的烧结温度至1150℃。掺杂2wt%ZnO的CLST陶瓷取得了较好的介电性能:εr=84,tanδ=0.009,τf=-15ppm/℃。

     

    Abstract: The effect of ZnO on the sintering behavior and the dielectric properties of 16CaO-9Li2O-12Sm2O3-63TiO2 based ceramics was investigated.The results indicate that the sintering temperature of the CLST ceramics can be lower than 1150℃ by ZnO addition.The specimens with 2wt% ZnO sintered at 1150℃ for 2h show εr of 84,tanδ of 0.009,and τf of -15ppm/℃.

     

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