Fracture toughness of fibrous Si3N4 monolithic ceramics

被引：1
|
作者：
Guo, Hai [1 ]
Yoon, Dae-Hyun [1 ]
Shin, Dong-Woo [1 ]
机构：
[1] Gyeongsang Natl Univ, Ceram Matrix Composites Lab, Dept Mat Sci & Engn, Engn Res Inst, Jinju 660701, Gyeongnam, South Korea
来源：
SCIENCE OF ENGINEERING CERAMICS III | 2006年 / 317-318卷
关键词：
Fibrous Si3N4 monolithic; fracture toughness; SiC whisker;
D O I：
10.4028/www.scientific.net/KEM.317-318.297
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：
Fibrous Si3N4 monolithic ceramics with a hexagonal cell were fabricated in the preferred orientation. The densified Si3N4 fibrous monolithic showed fracture toughness of 17 MPa center dot m(1/2). An application of SiC whisker as reinforcement exhibited higher fracture toughness (24 MPa-m(1/2)). The influences of fiber diameter and reinforcement on the fracture toughness of these fibrous monolithic ceramics were studied in details.
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页码：297 / 300
页数：4
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