MECHANICAL-PROPERTIES OF JOINED SILICON-NITRIDE

被引:67
作者
JOHNSON, SM
ROWCLIFFE, DJ
机构
[1] SRI Int, Menlo Park, CA, USA, SRI Int, Menlo Park, CA, USA
关键词
CERAMIC MATERIALS - Mechanical Properties - JOINTS - Testing;
D O I
10.1111/j.1151-2916.1985.tb15810.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
A technique is described to join Si//3N//4 ceramics using oxide glasses. The technique involves a glazing step, followed by a pressureless reaction treatment of 30 to 60 min at 1575 degree to 1650 degree C. Reactions between the glasses and Si//3N//4 are reported. Important events are dissolution of Si//3N//4 and the growth of Si//2N//2O crystals into the joint. The strength of joined bars depends on joint thickness. Two strength regimes are identified, and two corresponding fracture mechanisms are described.
引用
收藏
页码:468 / 472
页数:5
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