Investigation of the structure evolution process in sol-gel derived CaO-B2O3-SiO2 glass ceramics

被引：10

作者：

Wang, Min ^{[1
]}

Zuo, Ruzhong ^{[1
]}

Jin, Jiao ^{[1
]}

Su, Shi ^{[1
]}

Zhai, Jiwei ^{[2
]}

机构：

[1] Hefei Univ Technol, Sch Mat Sci & Engn, Inst Electro Ceram & Devices, Hefei 230009, Peoples R China

[2] Tongji Univ, Funct Mat Res Lab, Shanghai 200092, Peoples R China

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2011年 / 357卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Sol-gel; CaO-B2O3-SiO2; Glass ceramic; Structural evolution; DIELECTRIC-PROPERTIES; SYSTEM; CRYSTALLIZATION; DENSIFICATION;

D O I：

10.1016/j.jnoncrysol.2010.11.028

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A sol-gel method was used to prepare CaO-B2O3-SiO2 (CBS) glass powder for making low-temperature cofired ceramics. This paper was focused on the mechanism of hydrolysis and polymerization and also on the structural evolution of xerogel at various temperatures. The xerogel was transformed into glass ceramics containing CaSiO3 and CaB2O4 crystalline phases through nucleation and crystallization processes. The results indicated that the xerogel exhibits [BO4] or [SiO4] based three-dimensional network structure whose interstices Ca ions fill in. which becomes more orderly and stable after heat treatments. The CBS glass ceramics through controlled crystallization have a potential as electronic packaging materials. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1160 / 1163

页数：4

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