Crystallization kinetic and dielectric properties of CaO–MgO–Al2O3–SiO2 glass/Al2O3 composites-Reference-Cited by-同舟云学术

Crystallization kinetic and dielectric properties of CaO–MgO–Al₂O₃–SiO₂ glass/Al₂O₃ composites

Published:2022-04-15 Issue:5 Volume:113 Page:520-528
ISSN:1862-5282
Container-title:International Journal of Materials Research
language:en
Short-container-title:

Author:

Gong Weiping¹^ORCID,Luo Zhihong¹,Liu Yanzhi²

Affiliation:

1. Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices , Huizhou University , Huizhou 516001 , Guangdong , P. R. China

2. Department of Chemical and Biomolecular Engineering , Clarkson University Potsdam , New York 13699 , USA

Abstract

Abstract The sintering behavior and the dielectric properties of CaO–MgO–Al2O3–SiO2 (CMAS) glass and CMAS glass/Al2O3 ceramic composites were studied by the combination of differential scanning calorimetry, X-ray diffraction and scanning electron microscopy as well as dielectric properties measurement. The results demonstrate that the CMAS glass with composition 25CaO-15MgO-12Al2O3-48SiO2 (wt.%) can significantly improve the sintering performance of Al2O3 ceramics, and does not lead to an obvious decrease in the dielectric properties. Low dielectric constant and low dielectric loss were obtained when sintering the CMAS/Al2O3 composites at 1273 K, which demonstrate that it satisfies the requirement of the integrated circuit substrate materials when working at high frequency.

Funder

Huizhou University

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

Link

https://www.degruyter.com/document/doi/10.1515/ijmr-2021-8453/pdf

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