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Intermediate microwave dielectric ceramic with high thermal shock resistance and preparation method thereof
The invention provides intermediate microwave dielectric ceramic with high thermal shock resistance and a preparation method thereof, and relates to the technical field of manufacturing of dielectric combiners, duplexers and multiplexers, the intermediate microwave dielectric ceramic with high thermal shock resistance comprises a composite oxide and a modifier; the composite oxide has the following general formula xCaTiO3-(1-x)SmAlO3, and in the formula, x is more than or equal to 0.5 and less than or equal to 0.8; the modifier comprises ZrO2 and other modifiers, and the other modifiers comprise at least one of Nb2O5, LiCO3, Bi2O3 and V2O5; the structure of the ZrO2 comprises a whisker-shaped monoclinic crystal structure. The medium microwave dielectric ceramic disclosed by the invention not only has relatively stable electrical properties, but also has relatively good thermal shock resistance.
本发明提供了一种高抗热震性中介微波介质陶瓷及制备方法，涉及介质合路器、双工器及多工器制造的技术领域，本发明提供的高抗热震性中介微波介质陶瓷包括复合氧化物和改性剂；所述复合氧化物具有如下通式xCaTiO3‑(1‑x)SmAlO3，式中，0.5≤x≤0.8；所述改性剂包括ZrO2和其他改性剂，所述其他改性剂包括Nb2O5、LiCO3、Bi2O3和V2O5中的至少一种；所述ZrO2的结构包括晶须状单斜晶型结构。本发明的中介微波介质陶瓷不仅具有较为稳定的电学性能，而且还具有较好的抗热震性能。
Intermediate microwave dielectric ceramic with high thermal shock resistance and preparation method thereof
The invention provides intermediate microwave dielectric ceramic with high thermal shock resistance and a preparation method thereof, and relates to the technical field of manufacturing of dielectric combiners, duplexers and multiplexers, the intermediate microwave dielectric ceramic with high thermal shock resistance comprises a composite oxide and a modifier; the composite oxide has the following general formula xCaTiO3-(1-x)SmAlO3, and in the formula, x is more than or equal to 0.5 and less than or equal to 0.8; the modifier comprises ZrO2 and other modifiers, and the other modifiers comprise at least one of Nb2O5, LiCO3, Bi2O3 and V2O5; the structure of the ZrO2 comprises a whisker-shaped monoclinic crystal structure. The medium microwave dielectric ceramic disclosed by the invention not only has relatively stable electrical properties, but also has relatively good thermal shock resistance.
本发明提供了一种高抗热震性中介微波介质陶瓷及制备方法，涉及介质合路器、双工器及多工器制造的技术领域，本发明提供的高抗热震性中介微波介质陶瓷包括复合氧化物和改性剂；所述复合氧化物具有如下通式xCaTiO3‑(1‑x)SmAlO3，式中，0.5≤x≤0.8；所述改性剂包括ZrO2和其他改性剂，所述其他改性剂包括Nb2O5、LiCO3、Bi2O3和V2O5中的至少一种；所述ZrO2的结构包括晶须状单斜晶型结构。本发明的中介微波介质陶瓷不仅具有较为稳定的电学性能，而且还具有较好的抗热震性能。
Intermediate microwave dielectric ceramic with high thermal shock resistance and preparation method thereof
高抗热震性中介微波介质陶瓷及制备方法
HUANG MINGZHENG (author) / HUANG QINGHUAN (author) / YE RONG (author) / WANG BINHUA (author) / GU GUOZHI (author)
2021-06-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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