Preparation and properties of low temperature sintered CaO-B2O3-SiO2 microwave dielectric ceramics using the solid-state reaction

被引：10

作者：

Zhou, Xiaohua ^{[1
]}

Li, Enzhu ^{[1
]}

Yang, Shilin ^{[1
]}

Li, Bo ^{[1
]}

Tang, Bin ^{[1
]}

Yuan, Ying ^{[1
]}

Zhang, Shuren ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Microelect & Solid State Elect, Chengdu 610054, Peoples R China

来源：

MATERIALS SCIENCE-POLAND | 2013年 / 31卷 / 03期

关键词：

solid state reaction; LTCC; CaO-B2O3-SiO2; flexural strength; microwave properties; SYSTEM GLASS-CERAMICS; LTCC APPLICATIONS; MICROSTRUCTURES; DENSIFICATION; ADDITIVES; MIXTURES; B2O3;

D O I：

10.2478/s13536-013-0120-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The LTCC CaO-B2O3-SiO2 (CBS) ceramics were synthesized via solid-state reaction process without any sintering aid. The effects of different sintering temperatures and B2O3 content on the microwave and mechanical properties were investigated. The results show that the best sintering temperature is around 950 A degrees C and increasing amount of B2O3 promotes the crystallization of CaB2O4 enhancing the flexure strength of the CBS ceramics. However, the dielectric and mechanical properties deteriorated rapidly while the amount of B2O3 exceeded 25 wt.%. The sample with 20.5 wt.% B2O3 sintered at 950 A degrees C had the best properties with E > (r) = 6.06; tan delta = 0.0015 (1 MHz) and a high flexure strength sigma (f) > 180 MPa.

引用

页码：404 / 409

页数：6

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