<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>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 °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 °C had the best properties with ɛ
                        r = 6.06; tanδ = 0.0015 (1 MHz) and a high flexure strength σ
                        f > 180 MPa.</p></abstract>

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 °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 °C had the best properties with ɛ
                        r = 6.06; tanδ = 0.0015 (1 MHz) and a high flexure strength σ
                        f > 180 MPa.

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

School of Microelectronics and Solid State Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, People’s Republic of China

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The LTCC CaO-B2O3-SiO2 (CBS) ceramics were synthesized via solid-state reaction process without any sintering aid. The effects of different sintering...

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

Publié en ligne: 29 août 2013

Pages: 404 - 409

DOI: https://doi.org/10.2478/s13536-013-0120-x

Mots clés
solid state reaction, LTCC, CaO-B2O3-SiO2, flexural strength, microwave properties

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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

Publié en ligne: 29 août 2013

Pages: 404 - 409

DOI: https://doi.org/10.2478/s13536-013-0120-x

Mots cléssolid state reaction, LTCC, CaO-B2O3-SiO2, flexural strength, microwave properties

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
solid state reaction, LTCC, CaO-B2O3-SiO2, flexural strength, microwave properties