Flash sintering of yttria-stabilized zirconia: Fundamental understanding and applications

被引：57
作者：
Ren, Ke [1 ,2 ]
Liu, Jinling [3 ,4 ]
Wang, Yiguang [1 ]
机构：
[1] Beijing Inst Technol, Inst Adv Struct Technol, Beijing 100081, Peoples R China
[2] Northwestern Polytech Univ, Sci & Technol Thermostruct Composite Mat Lab, Xian 710072, Shaanxi, Peoples R China
[3] Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Sichuan, Peoples R China
[4] Southwest Jiaotong Univ, Sch Mech & Engn, Chengdu 610031, Sichuan, Peoples R China
来源：
SCRIPTA MATERIALIA | 2020年 / 187卷
基金：
中国国家自然科学基金;
关键词：
Flash sintering mechanism; Yttria-stabilized zirconia (YSZ); Flash sintering applications; Joule heating; Defects; ELECTRIC-FIELD; GRAIN-GROWTH; MICROSTRUCTURAL DEVELOPMENT; TEMPERATURE DISTRIBUTION; DENSIFICATION BEHAVIOR; IONIC-CONDUCTIVITY; THERMAL RUNAWAY; SILICATE GLASS; ONSET; ALUMINA;
D O I：
10.1016/j.scriptamat.2020.06.040
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Flash sintering has emerged as a promising opportunity for ceramic sintering, synthesis and processing. However, three basic questions about flash sintering remain unanswered: what triggers the flash during Stage I? what causes rapid densification during Stage II? How does the microstructure evolve during Stage III? In general, the mechanism of flash sintering is explained by Joule heating and non-equilibrium defect evolution. Herein, the recent findings and status of scientific understanding regarding the mechanism of flash sintering are critically reviewed by taking the example of yttria-stabilized zirconia. Moreover, the potential applications of flash sintering in ceramic synthesis and processing are presented. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：371 / 378
页数：8
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