Crystallization kinetics of SiO2-MgO-3CaO-P2O5-Al2O3-ZrO2 glass

被引：0

作者：

Yilmaz, S. ^{[1
]}

Gunay, V. ^{[1
]}

机构：

[1] TUBITAK, MRC, Mat Inst, TR-41470 Gebze, Turkey

来源：

MATERIALS SCIENCE-POLAND | 2007年 / 25卷 / 03期

关键词：

bioceramics; bioglass; heat treatment; crystallization; kinetics;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The crystallization behaviour of SiO2-MgO-3CaO-P2O5-Al2O3-ZrO2 glass was studied using glass samples prepared by melting reagent grade SiO2, MgO, Ca-5(PO4)(3)OH, P2O5, Al2O3 and ZrO2. DTA and XRD analysis revealed the crystallization of whitlockite, anorthite and baddeleyite phases. The crystallization kinetics was studied by applying the DTA measurements carried out at various heating rates. The activation energies of crystallization and viscous flow were measured as 209 kJ.mol(-1) and 356 kJ.mol(-1), respectively. The resultant SiO2-MgO-3CaO-P2O5-Al2O3-ZrO2 glass-ceramics revealed very fine and homogenous microstructure.

引用

页码：609 / 617

页数：9

共 17 条

[1]

[Anonymous], 1979, GLASS CERAMICS

[2] CRYSTALLIZATION STUDIES OF 30LI2O-70TEO2 GLASS [J].