Reinforcement of hydroxyapatite bioceramic by addition of Ti3SiC2

被引：20
|
作者：
Shi, SL [1 ]
Pan, W [1 ]
Fang, MH [1 ]
Fang, ZY [1 ]
机构：
[1] Tsing Hua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2006年 / 89卷 / 02期
关键词：
D O I：
10.1111/j.1551-2916.2005.00764.x
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：
Ti3SiC2/HAp composites with different Ti3SiC2 volume fractions were fabricated by spark plasma sintering (SPS) at 1200 degrees C. The effects of Ti3SiC2 addition on the mechanical properties and microstructures of the composites were investigated. The bending strength and fracture toughness of the composites increased with increasing of Ti3SiC2 content, whereas the Vickers hardness decreased. The bending strength and fracture toughness reached 252 +/- 10 MPa and 3.9 +/- 0.1 MPa.m(1/2), respectively, with the addition of 50 vol% Ti3SiC2. The increases in the mechanical properties were attributed to the matrix strengthening and interactions between cracks and the Ti3SiC2 platelets.
引用
收藏
页码：743 / 745
页数：3
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