Science of flash-sintering and innovation to sintering technology

被引:0
作者
Yamamoto T. [1 ]
Yoshida H. [2 ]
机构
[1] Dept. Materials Design Innovation Engineering, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya
[2] Dept. Materials Science and Engineering, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo
来源
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy | 2020年 / 67卷 / 11期
基金
日本学术振兴会;
关键词
FAST; Flash sintering; Photo luminescence; Sintering; Zirconia;
D O I
10.2497/jjspm.67.593
中图分类号
学科分类号
摘要
When the ceramic green compacts are heated with electric fields, the specimen electric current increases steeply at a certain critical furnace temperature. This phenomenon is called a flash event, and along with this phenomenon, sintering process complete immediately. Flash sintering is a new sintering method that uses this flash event. Various kinds of researches have been reported since Raj et al. found the flash sintering. In addition, some new phenomena induced by the application of electric fields have been pointed out, for example, the change in the point defect configuration due to electric fields. Recently, photo luminescence emission has been found, which is closely related to point defects generated by electric fields during flash event. In this report, we would like to summarize the outline of flash sintering method and to review our recent researches. © 2020 Japan Society of Powder and Powder Metallurgy.
引用
收藏
页码:593 / 600
页数:7
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