Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Microwave dielectric composite ceramic and preparation method thereof
The invention provides a microwave dielectric composite ceramic and a preparation method thereof, the microwave dielectric composite ceramic comprises a main phase component and a second phase component, the main phase component comprises Mg1. 2TiO3.2, the second phase component comprises SiO2 or MgSiO4, the Mg1. 2TiO3.2 is a mixture of MgTiO3 and Mg2TiO4 prepared from MgO and TiO2 according to a molar ratio of 1.2: 1, and the main phase component and the second phase component are mixed and sintered to obtain the microwave dielectric ceramic. In the microwave dielectric composite ceramic provided by the invention, the main phase component is Mg1. 2TiO3.2 with high quality factor and low dielectric loss, the second phase component has lower dielectric constant and capacity temperature coefficient similar to that of Mg1. 2TiO3.2, the microwave dielectric composite ceramic is formed by compounding, and the dielectric constant is reduced while the capacity temperature coefficient is not influenced.
本发明提供一种微波介电复合陶瓷及其制备方法，微波介电复合陶瓷包括主相成分和第二相成分，主相成分包括Mg1.2TiO3.2，第二相成分包括SiO2或MgSiO4，其中，Mg1.2TiO3.2为MgO与TiO2按摩尔比1.2:1的比例制备形成的MgTiO3和Mg2TiO4的混合物，主相成分与第二相成分混合烧结得到微波介电陶瓷。本发明提供的微波介电复合陶瓷中，主相成分为品质因数高且介电损耗低的Mg1.2TiO3.2，第二相成分具有较低的介电常数以及与Mg1.2TiO3.2相近的容量温度系数，复合形成微波介电复合陶瓷，在不影响容量温度系数的同时降低介电常数。
Microwave dielectric composite ceramic and preparation method thereof
The invention provides a microwave dielectric composite ceramic and a preparation method thereof, the microwave dielectric composite ceramic comprises a main phase component and a second phase component, the main phase component comprises Mg1. 2TiO3.2, the second phase component comprises SiO2 or MgSiO4, the Mg1. 2TiO3.2 is a mixture of MgTiO3 and Mg2TiO4 prepared from MgO and TiO2 according to a molar ratio of 1.2: 1, and the main phase component and the second phase component are mixed and sintered to obtain the microwave dielectric ceramic. In the microwave dielectric composite ceramic provided by the invention, the main phase component is Mg1. 2TiO3.2 with high quality factor and low dielectric loss, the second phase component has lower dielectric constant and capacity temperature coefficient similar to that of Mg1. 2TiO3.2, the microwave dielectric composite ceramic is formed by compounding, and the dielectric constant is reduced while the capacity temperature coefficient is not influenced.
本发明提供一种微波介电复合陶瓷及其制备方法，微波介电复合陶瓷包括主相成分和第二相成分，主相成分包括Mg1.2TiO3.2，第二相成分包括SiO2或MgSiO4，其中，Mg1.2TiO3.2为MgO与TiO2按摩尔比1.2:1的比例制备形成的MgTiO3和Mg2TiO4的混合物，主相成分与第二相成分混合烧结得到微波介电陶瓷。本发明提供的微波介电复合陶瓷中，主相成分为品质因数高且介电损耗低的Mg1.2TiO3.2，第二相成分具有较低的介电常数以及与Mg1.2TiO3.2相近的容量温度系数，复合形成微波介电复合陶瓷，在不影响容量温度系数的同时降低介电常数。
Microwave dielectric composite ceramic and preparation method thereof
一种微波介电复合陶瓷及其制备方法
MENG LITIAN (Autor:in) / DING MINGJIAN (Autor:in) / LI YUYANG (Autor:in) / ZHENG SHUYI (Autor:in)
12.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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