R-curve behavior of tic particle reinforced Al2O3 composites

被引：25

作者：

Gong, JH ^{[1
]}

Zhao, Z ^{[1
]}

Miao, HH ^{[1
]}

Guan, ZD ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

SCRIPTA MATERIALIA | 2000年 / 43卷 / 01期

关键词：

fracture and fracture toughness; structural ceramics; hardness testing;

D O I：

10.1016/S1359-6462(00)00374-2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

TiC particle size plays an important role in improving fracture toughness of the Al2O3-30wt%TiC composites. The composites having small TiC particles exhibit flat R-curve behavior and have fracture toughness similar to that of the Al2O3 matrix. Adding large TiC particles in Al2O3 matrix makes the resultant composite possess a rising R-curve behavior and the fracture toughness of the composite increases with increasing TiC particle size.

引用

页码：27 / 31

页数：5

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