The effect of K2O in the glass-ceramics based on the BaO-TiO2-SiO2 glasses

被引：8
|
作者：
Lee, Hoi Kwan
Lee, Young Su
Bhalla, Amar S.
Kang, Won Ho [1 ]
机构：
[1] Dankook Univ, Dept Mat Sci & Engn, Choongnam 330714, Peoples R China
[2] Penn State Univ, MRI, University Pk, PA 16802 USA
来源：
MATERIALS LETTERS | 2006年 / 60卷 / 20期
基金：
美国国家科学基金会;
关键词：
glasses; fresnoite; surface crystallization; crystal growth; heat treatment;
D O I：
10.1016/j.matlet.2006.01.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To study the effect of K2O in the glass-ceramics, the heat-treated glasses were characterized by using X-ray diffraction, Fourier transform infrared spectroscopy and Scanning electron microscope. The results showed that the K2O contents were not effects on the formation of new crystals but increased the lattice constant. Combined with XRD data, the FT-IR peaks assigned to Ti-O and Si-O vibration indicate the formation of fresnoite(Ba2TiSi2O8) phase. The crystal shape and crystallization tendency of Ba2TiSi2O8 crystal by the K2O contents were also discussed. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：2457 / 2460
页数：4
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