Sintering behavior and mechanical and thermal shock properties of silicon nitride-boron nitride composites

被引：0
|
作者：
Orgaz, F
Capel, F
Rodríguez, MA
机构：
[1] CSIC, Org Cent, E-28006 Madrid, Spain
[2] CSIC, Inst Ceram & Vidrio, E-28049 Madrid, Spain
来源：
EURO CERAMICS VIII, PTS 1-3 | 2004年 / 264-268卷
关键词：
boron nitride/silicon nitride composites; pressureless sintering; additives; kinetics; hardness; thermal shock resistance; toughness; high temperature flexural strength; creep behavior;
D O I：
10.4028/www.scientific.net/KEM.264-268.1067
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：
Si3N4/BN composites were formulated and prepared by pressureless sintering of mixed and granulated Si3N4 and BN powders using TiB2, Al2O3, Y2O3 and SiO4Zr as sintering aids. Compositions ranged from 5 to 30% BN. Several dispersant agents were also employed. Sintering was performed using a high temperature dilatometer equipped with a graphite furnace. Materials obtained were characterized mechanically through Vickers microhardness, mechanical strength, fracture toughness, thermal shock measurements and creep behavior.
引用
收藏
页码：1067 / 1070
页数：4
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