Preliminary Study on Combining K2O-Al2O3-SiO2 System Dental Glass Ceramic with Al2O3 Ceramic

被引：0

作者：

吴琪琪 ^{[1
]}

XU Yujing ^{[1
]}

JIN Fengchao ^{[1
]}

张飚 ^{[1
]}

机构：

[1] Hospital of Stomatology,Wuhan University

来源：

Journal of Wuhan University of Technology(Materials Science) | 2017年 / 32卷 / 02期

关键词：

glass ceramics; Al2O3; ceramics; composite ceramic material; compressive strength;

D O I：

暂无

中图分类号：

TQ174.1 [基础理论]; TQ171.733 [];

学科分类号：

0805 ; 080502 ;

摘要：

Relationship between KO-AlO-SiOsystem dental glass ceramics and AlOceramics was investigated. 4 groups of glass ceramic with the same components but different thickness(0.8, 1.2, 1.6, and 2.0 mm) were sintered on AlObase ceramics according to the same thermal treatment system of leucite micro-crystallization reported in previous literatures. The products of each group were analyzed by polarizing microscope, X-ray diffractometer, and an INSTRON material testing machine. Under the thermal treatment system, leucite crystals were formed in samples of each group, and dispersed evenly. Meanwhile, the compressive strengths of group 3 and group 4 were higher than those of group 1 and group 2. Samples of group 3 showed better mechanical properties than others. The conclusions are drawn that Leucite crystals can be controlled in KO-AlO-SiOsystem glass ceramic-AlOceramic composite material, and the thickness of glass ceramic has a notable influence on the compressive strength of this ceramic composite material.

引用

页码：491 / 493

页数：3

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