SiC whisker reinforced ZrO2 composites prepared by flash-sintering

被引：69
|
作者：
Liu, Dianguang [1 ]
Gao, Yan [2 ]
Liu, Jinling [2 ]
Li, Kai [1 ]
Liu, Fangzhou [1 ]
Wang, Yiguang [1 ]
An, Linan [3 ]
机构：
[1] Northwestern Polytech Univ, Sci & Technol Thermostruct Composite Mat Lab, Xian 710072, Shaanxi, Peoples R China
[2] Southwest Jiaotong Univ, Sch Mech & Engn, State Key Lab Tract Power, Chengdu 610031, Sichuan, Peoples R China
[3] Univ Cent Florida, Adv Mat Proc & Anal Ctr, Dept Mat Sci & Engn, Orlando, FL 32816 USA
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2016年 / 36卷 / 08期
关键词：
Flash sintering; SiC whiskers; Composites; TOUGHENING MECHANISMS; NANOGRAIN ZIRCONIA; TEMPERATURE; FIELD; MICROSTRUCTURE; CERAMICS; BEHAVIOR;
D O I：
10.1016/j.jeurceramsoc.2016.02.014
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：
SiC whisker-reinforced ZrO2 composite is prepared by flash sintering. The density of the composite obtained at the optimal conditions is close to the theoretical value. SEM observations reveal that the whiskers with well-preserved original morphology are uniformly distributed within the matrix and strongly bonded with ZrO2. The composite exhibits a fracture toughness value higher than SiC-ZrO2 (with 6 mol% Y2O3) made by conventional hot-pressing. These results clearly demonstrate that the flash-sintering can prepare SiCw/ZrO2 composites more effectively. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2051 / 2055
页数：5
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