Properties of SiC and Si3N4 Based Composite Ceramic with Nanosize Component

被引:20
|
作者
Perevislov, S. N. [1 ]
Nesmelov, D. D. [1 ]
机构
[1] Cent Sci Res Inst Mat, St Petersburg, Russia
关键词
silicon carbide; silicon nitride; nanosize oxides; liquid-phase sintering; mechanical properties; SILICON-CARBIDE;
D O I
10.1007/s10717-016-9867-y
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
Materials with nanosize oxide additive aluminum garnet were obtained by liquid-phase sintering. SiC and Si3N4 based materials were sintered at temperatures 100A degrees C below the sintering of materials with addition of micron-size oxide powders. High mechanical properties were obtained: sigma(b) = 540 MPa, K (1C) = 5.5 MPa center dot m(1/2), HV = 20.1 GPa for SiC-based materials and sigma(b) = 650 MPa, K (1C) = 6.4 MPa center dot m(1/2), HV = 17.2 GPa for Si3N4-based materials.
引用
收藏
页码:249 / 252
页数:4
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