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.

引用

页码：297 / 300

页数：4

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