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Zirconium-tin-titanium microwave dielectric ceramic material and preparation method thereof
The invention provides a zirconium-tin-titanium microwave dielectric ceramic material and a preparation method thereof. The ceramic material comprises a base material, a modifying additive and a burning reducer; the chemical general formula of the base material is (ZrxSn1-x)TiO4, and x is more than or equal to 0.6 and less than or equal to 1; the modifying additive is at least one of Nb2O5, MnO2, La2O3, CeO2, Nd2O3, Sm2O3, Al2O3 and SiO2; and the burning reducer is at least one of ZnO and CuO. The microwave dielectric property of the material is improved by doping the modifying additive, and the zirconium-tin-titanium microwave dielectric ceramic material can be formed by adjusting the synthesis ratio of raw materials, so that the dielectric constant epsilon r is between 35 and 45 and is continuously adjustable, the quality factor Q x f value is between 40000 and 65000GHz, the resonance frequency temperature coefficient tau f is between +/-10ppm/DEG C and can be adjusted according to components, in addition, the bending strength can reach 230 MPa or above, the microwave performance requirement of microwave devices is met, and the application range of the material is widened. The dielectric ceramic material can be applied to microwave devices such as satellite communication, dielectric resonators, filters, oscillators and the like, and is green, environmentally friendly and pollution-free.
本发明提供了一种锆锡钛系微波介质陶瓷材料及其制备方法,包括基料、改性添加剂及降烧剂；基料的化学通式为(ZrxSn1‑x)TiO4，其中，0.6≤x≤1；改性添加剂为Nb2O5、MnO2、La2O3、CeO2、Nd2O3、Sm2O3、Al2O3及SiO2中的至少一种；降烧剂为ZnO和CuO中的至少一种。通过掺入改性添加剂，提升其微波介电性能，该锆锡钛系微波介质陶瓷材料通过调整原材料合成的配比可形成介电常数εr介于35～45之间且连续可调，品质因数Q×f值介于40000～65000GHz，谐振频率温度系数τf介于±10ppm/℃之间且可根据组分进行调节，并且抗弯强度可达到230MPa以上，满足微波器件的微波性能要求，拓宽材料的应用面。此介质陶瓷材料可应用于卫星通信、介质谐振器、滤波器、振荡器等微波器件中，绿色环保无污染。
Zirconium-tin-titanium microwave dielectric ceramic material and preparation method thereof
The invention provides a zirconium-tin-titanium microwave dielectric ceramic material and a preparation method thereof. The ceramic material comprises a base material, a modifying additive and a burning reducer; the chemical general formula of the base material is (ZrxSn1-x)TiO4, and x is more than or equal to 0.6 and less than or equal to 1; the modifying additive is at least one of Nb2O5, MnO2, La2O3, CeO2, Nd2O3, Sm2O3, Al2O3 and SiO2; and the burning reducer is at least one of ZnO and CuO. The microwave dielectric property of the material is improved by doping the modifying additive, and the zirconium-tin-titanium microwave dielectric ceramic material can be formed by adjusting the synthesis ratio of raw materials, so that the dielectric constant epsilon r is between 35 and 45 and is continuously adjustable, the quality factor Q x f value is between 40000 and 65000GHz, the resonance frequency temperature coefficient tau f is between +/-10ppm/DEG C and can be adjusted according to components, in addition, the bending strength can reach 230 MPa or above, the microwave performance requirement of microwave devices is met, and the application range of the material is widened. The dielectric ceramic material can be applied to microwave devices such as satellite communication, dielectric resonators, filters, oscillators and the like, and is green, environmentally friendly and pollution-free.
本发明提供了一种锆锡钛系微波介质陶瓷材料及其制备方法,包括基料、改性添加剂及降烧剂；基料的化学通式为(ZrxSn1‑x)TiO4，其中，0.6≤x≤1；改性添加剂为Nb2O5、MnO2、La2O3、CeO2、Nd2O3、Sm2O3、Al2O3及SiO2中的至少一种；降烧剂为ZnO和CuO中的至少一种。通过掺入改性添加剂，提升其微波介电性能，该锆锡钛系微波介质陶瓷材料通过调整原材料合成的配比可形成介电常数εr介于35～45之间且连续可调，品质因数Q×f值介于40000～65000GHz，谐振频率温度系数τf介于±10ppm/℃之间且可根据组分进行调节，并且抗弯强度可达到230MPa以上，满足微波器件的微波性能要求，拓宽材料的应用面。此介质陶瓷材料可应用于卫星通信、介质谐振器、滤波器、振荡器等微波器件中，绿色环保无污染。
Zirconium-tin-titanium microwave dielectric ceramic material and preparation method thereof
一种锆锡钛系微波介质陶瓷材料及其制备方法
HUANG QINGHUAN (Autor:in) / SI FENG (Autor:in) / WANG BINHUA (Autor:in) / WANG XUEMIN (Autor:in) / GUAN CHAO (Autor:in)
24.09.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Zirconium borate microwave dielectric ceramic material and preparation method thereof
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