The influence of B2O3 on the microstructures and properties of CaO-B2O3-SiO2-Al 2O3 glass-ceramics (α-Al2O3) System

Hui Shao, Hong Qing Zhou, Xiao Dong Shen

科研成果: 书/报告/会议事项章节会议稿件同行评审

3 引用 (Scopus)

摘要

The glass composition CaO-Al2O3-B2O 3-SiO2 as an alternative glass composition, and commercial α-Al2O3 as a ceramic material was used. The structure of the glass was analyzed by infrared spectra; the glass-ceramics thermal expansion coefficient was measured by dilatometer, the phase separation of the sample was investigated by scanning electron microscope and the component of phase was analyzed by X-ray. The results show that [BO3] increases and [BO4] decreases in the glass structure with the increasing of B2O3 content added into CaO-Al 2O3-B2O3-SiO2 glass. The relative density and dielectric constant (εr) are considerably decreased with the addition of amount of B2O3. Excellent microwave dielectric properties of 1MHz, εr = 8.0 and tanδ=0.003 are obtained by adding 10 wt% B2O3 to glass-ceramic and sintering at 875°Cfor 30 min.

源语言英语
主期刊名Manufacturing Process Technology
4466-4471
页数6
DOI
出版状态已出版 - 2011
活动2nd International Conference on Manufacturing Science and Engineering, ICMSE 2011 - Guilin, 中国
期限: 9 4月 201111 4月 2011

出版系列

姓名Advanced Materials Research
189-193
ISSN(印刷版)1022-6680

会议

会议2nd International Conference on Manufacturing Science and Engineering, ICMSE 2011
国家/地区中国
Guilin
时期9/04/1111/04/11

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