MZT-CLT介质陶瓷的微波烧结研究

发布时间：2018-03-19 15:40

  本文选题：(-x)(Mg_(.)Zn_(.))TiO_(-x)(Ca_(.)La_(.))TiO_(MZT-CLT　切入点：x=.)　出处：《压电与声光》2017年05期 　论文类型：期刊论文

【摘要】：微波烧结法制备(1-x)(Mg_(0.7)Zn_(0.3))TiO_(3-x)(Ca_(0.61)La_(0.26))TiO_3(MZT-CLT,x=0.13)系介质陶瓷,研究微波烧结工艺对MZT-CLT陶瓷烧结性能、微观结构、相组成和微波介电性能的影响。结果表明,MZT-CLT陶瓷的主晶相为(Mg_(0.7)Zn_(0.3))TiO_3(MZT)、Ca_(0.61)La_(0.26)TiO_3(CLT),第二相为(Mg_(0.7)Zn_(0.3))Ti_2O_5;升温速率15℃/min,烧结温度1 275℃,保温时间20min时,陶瓷微波介电性能优良:介电常数εr=26.21,品质因数与频率之积Q·f=120 000GHz,频率温度系数τf=-3×10~(-6)/℃。
[Abstract]:Microwave sintered dielectric ceramics were prepared by microwave sintering. The sintering properties and microstructure of MZT-CLT ceramics by microwave sintering were studied. The results show that the main crystalline phase of MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is MZT-CLT, the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is: the main crystal phase of the MZT-CLT ceramics is. The microwave dielectric properties of the ceramics are as follows: dielectric constant 蔚 rn 26.21, the product of quality factor and frequency Q 路fN 120000GHz, and the frequency temperature coefficient 蟿 fn-3 脳 10 ~ (-1) ~ (-6) ~ (-1) / 鈩，

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