Densification and grain growth in oscillatory pressure sintering of alumina toughened zirconia ceramic composites

被引：32
作者：
Fan, Jianye [1 ]
Yuan, Yi [2 ]
Li, Junshan [2 ]
Liu, Jinling [2 ]
Zhao, Ke [2 ]
Liu, Dianguang [1 ]
An, Linan [3 ]
机构：
[1] Southwest Jiaotong Univ, Sch Mat Sci & Engn, Chengdu 610031, Sichuan, Peoples R China
[2] Southwest Jiaotong Univ, Sch Mech & Engn, Chengdu 610031, Sichuan, Peoples R China
[3] Univ Cent Florida, Dept Mat Sci & Engn, Orlando, FL 32816 USA
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2020年 / 845卷
基金：
中国国家自然科学基金;
关键词：
Oscillatory pressure sintering; Alumina toughened zirconia; Densification; Grain growth;
D O I：
10.1016/j.jallcom.2020.155644
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Alumina toughened zirconia (ATZ) ceramic composites are prepared by both oscillatory pressure sintering (OPS) and hot press (HP) at various temperatures and times. The density and grain size of the resultant samples are measured and compared to illustrate the effect of oscillatory pressure on the sintering behavior of the material. The results reveal that there is a critical temperature, above which OPS can retard grain growth compared to HP. The grain growth rate in OPS-sintered sample is several times lower than those in HP-sintered sample. The phenomenon was discussed in terms of plastic deformation. These results clearly show that OPS is a better method for sintering the composite compared to HP. (C) 2020 Elsevier B.V. All rights reserved.
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页数：5
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