Effect of oscillatory pressure on the sintering behavior of ZrO2 ceramic

被引：49
作者：
Li, Junshan [1 ]
Fan, Jianye [2 ]
Yuan, Yi [1 ]
Liu, Jinling [1 ]
Zhao, Ke [1 ]
Liu, Dianguang [2 ]
Xie, Zhipeng [3 ]
An, Linan [4 ]
机构：
[1] Southwest Jiaotong Univ, Sch Mech & Engn, Chengdu 610031, Sichuan, Peoples R China
[2] Southwest Jiaotong Univ, Sch Mat Sci & Engn, Chengdu 610031, Sichuan, Peoples R China
[3] Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
[4] Univ Cent Florida, Dept Mat Sci & Engn, Orlando, FL 32816 USA
来源：
CERAMICS INTERNATIONAL | 2020年 / 46卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Oscillatory pressure sintering; Zirconia; Densification; Grain growth; Hardness; MECHANICAL-PROPERTIES; GRAIN-GROWTH; ZIRCONIA; MICROSTRUCTURE; DENSIFICATION;
D O I：
10.1016/j.ceramint.2020.02.100
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：
Zirconia ceramics were prepared by oscillatory pressure sintering (OPS) and hot pressing (HP). The result revealed that OPS could enhance densification compared to HP when sintering temperature was higher than a critical value. The onset temperature for rapid grain growth was found to be same for both techniques. However, rate of grain growth in OPS was lower than that in HP. Furthermore, the result also showed that samples prepared by OPS exhibited higher hardness than those prepared by HP when sintering temperature was higher than the critical value. The improved hardness was solely due to the higher density of the samples prepared by OPS.
引用
收藏
页码：13240 / 13243
页数：4
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