Flexural strength and translucent characteristics of lithium disilicate glass-ceramics with different P2O5 content

被引：68

作者：

Wang, Fu ^{[1
]}

Gao, Jing ^{[1
]}

Wang, Hui ^{[1
]}

Chen, Ji-hua ^{[1
]}

机构：

[1] Fourth Mil Med Univ, Sch Stomatol, Dept Prosthodont, Xian 710032, Peoples R China

来源：

MATERIALS & DESIGN | 2010年 / 31卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Ceramic; Mechanical; Selection for material properties; HEAT-TREATMENT; CRYSTALLIZATION; MICROSTRUCTURE; NUCLEATION; SYSTEMS;

D O I：

10.1016/j.matdes.2010.02.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lithium disilicate glass-ceramics derived from the SiO2-Li2O-K2O-Al2O3-ZrO2-P2O5 system with different P2O5 content (from 0.5 mol.% to 2.0 mol.% at a step of 0.5 mol.%) were prepared for dental restorative application. Flexural strength of final glass-ceramics and translucent characteristics expressed in term of contrast ratio (CR) were measured. The interrelations between P2O5 content, microstructure and properties were discussed. Glass-ceramic with a P2O5 content of 1.0 mol.%, in which elongated rod-like Li2Si2O5 crystals formed an interlocking microstructure, showed the highest flexural strength and suitable contrast ratio for dental restorative application. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：3270 / 3274

页数：5

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