Microstructure and properties of CaO-ZrO2-SiO2 glass-ceramics prepared by sintering

被引:16
作者
Hong, KJ [1 ]
Kim, JM [1 ]
Kim, HS [1 ]
机构
[1] Sunchon Natl Univ, Dept Mat Sci & Met Engn, Sunchon 540742, South Korea
关键词
CaSiO3; Ca2ZrSi4O12; glass-ceramics; glazes; wear resistance; SYSTEM;
D O I
10.1016/S0955-2219(03)00089-X
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
For the development of a new wear resistant and chemically stable glass-ceramic glaze, the CaO-ZrO2-SiO2 system was studied. Compositions consisting of CaO, ZrO2, and SiO2 were used for frit, which formed a glass-ceramic under a single stage heat treatment in electric furnace. In the sintered glass-ceramic, wollastonite (CaSiO3) and calcium zirconium silicate (Ca2ZrSi4O12) were crystalline phases composed of surface and internal crystals in the microstructure. The internal crystal formed with nuclei having a composition of Ca1.2Si43Zr0.2O8. The CaO-ZrO2-SiO2 system showed good properties in wear and chemical resistance because the Ca2ZrSi4O12 crystals positively affected physical and mechanical properties. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2193 / 2202
页数:10
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