HIGH-STRENGTH MICA-CONTAINING GLASS-CERAMICS

被引：88
|
作者：
UNO, T
KASUGA, T
NAKAJIMA, K
机构：
[1] Materials Research Laboratory, HOYA Corporation, Tokyo
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1991年 / 74卷 / 12期
关键词：
GLASS-CERAMICS; STRENGTH; MICA; MACHINING; MECHANICAL PROPERTIES;
D O I：
10.1111/j.1151-2916.1991.tb04314.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：
Glass-ceramics containing barium-mica in the system Ba0.5 Mg3(Si3AlO10)F2-2MgO.2Al2O3.5SiO2-Ca3(PO4)2 are two to three times stronger than conventional mica-containing glass-ceramics. Moreover, the barium-mica glass-ceramics are easier to machine, as confirmed by a drilling test using conventional steel tools. Such mechanical properties are attributable to the microstructure of the barium-mica glass-ceramics. Very fine, interlocking mica crystals are precipitated in the glass, and a crack-deflection mechanism is observed by scanning electron microscopy.
引用
收藏
页码：3139 / 3141
页数：3
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