Microstructure and Properties of Calcium Borosilicate and Borosilicate Glass-Ceramic Composites

An Guo Lu; Tai Qiu

doi:10.4028/www.scientific.net/KEM.368-372.1422

Paper Titles

Influence of Nucleating Additions on the Crystallization in the CaO-MgO-Al₂O₃-SiO₂ Glass-Ceramics
p.1408

Effects of Phosphorus and Fluorine on the Crystallization and Structure of CaO-A1₂O₃-SiO₂ System Glass-Ceramic
p.1412

Microstructure and Crystallization Kinetics Analysis of MO-B₂O₃-Al₂O₃-SiO₂(M=Mg, Ca, Ba) Glass-Ceramics
p.1415

Phase Separation and Nanocrystal TiO₂ Formation in Na₂O-B₂O₃-SiO₂-TiO₂ System
p.1419

Microstructure and Properties of Calcium Borosilicate and Borosilicate Glass-Ceramic Composites
p.1422

Use of Angang Slag for the Production of Glass-Ceramic Materials
p.1426

Effect of ZrO₂ on Mechanical and Biological Properties of Calcium Phosphate-Based Glass-Ceramics for Biomedical Applications
p.1429

Properties and Structure of BaO-ZnO-B₂O₃ Glasses
p.1433

Li₂O-Al₂O₃-SiO₂ Glass-Ceramics Used As Anodic Bonding Materials
p.1436

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Microstructure and Properties of Calcium Borosilicate and Borosilicate Glass-Ceramic Composites

Abstract:

Calcium borosilicate (CaO-B2O3-SiO2, CBS) glass based glass-ceramic composites were prepared by introducing borosilicate glass. The effects of borosilicate glass and firing temperature on the microstructure and properties of the glass-ceramic composites were investigated. The results showed that the composites containing 0~40% (in mass fraction, the same below) borosilicate glass can be sintered at 850°C. The dielectric constant (εr) decreases with the increase of borosilicate glass content and can be adjusted in the range of 5.6~6.6. The coefficient of thermal expansion (CTE) increases with the increase of borosilicate glass content. Increasing sintering temperature favors the precipitations of crystal phases, which have lower εr than CBS glass, resulting in the decrease of εr for the composites.