Analysis of mechanisms of Spark-Plasma Sintering

被引：16
作者：
Olevsky, E. [1 ]
Kandukuri, S. [2 ]
Froyen, L. [2 ]
机构：
[1] San Diego State Univ, Powder Technol Lab, 5500 Campanile Dr, San Diego, CA 92182 USA
[2] Katholieke Univ Leuven, Dept Met & Mat Engn, B-3001 Louvain, Belgium
来源：
HIGH-PERFORMANCE CERAMICS V, PTS 1 AND 2 | 2008年 / 368-372卷
基金：
美国国家科学基金会;
关键词：
sintering; modeling; Spark-Plasma; electromigration;
D O I：
10.4028/www.scientific.net/KEM.368-372.1580
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：
Spark-Plasma Sintering (SPS) involves rapid heating of powder by electric current with simultaneous application of external pressure. Numerous experimental investigations point to the ability of SPS to render highly-dense powder products with the potential of grain size retention. The latter ability is of significance for the consolidation of nano-powder materials where the grain growth is one of the major problems. A model for spark-plasma sintering taking into consideration various mechanisms of material transport is developed. The results of modeling agree satisfactorily with the experimental data in terms of SPS shrinkage kinetics.
引用
收藏
页码：1580 / +
页数：2
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