Performances of CaSiO3 ceramic sintered by Spark plasma sintering

被引:23
|
作者
Wan, Xianghui [1 ]
Hu, Anmin [1 ]
Li, Ming [1 ]
Chang, Chengkang [1 ]
Mao, Dali [1 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200030, Peoples R China
基金
中国博士后科学基金;
关键词
Wollastonite; spark plasma sintering; mechanical properties;
D O I
10.1016/j.matchar.2007.01.002
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Wollastonite (CaSiO3) ceramics were prepared by a new sintering technology: spark plasma sintering (SPS), using CaSiO3 ultra-fine powders as precursor. The ceramics were sintered at different temperature and different heating rate. The properties of sintered ceramics were discussed detail. All samples have a high relative density, which are close to the theoretical density. The ceramic sample sintered at 1150 degrees C for S min with a heating rate of 100 degrees C/min had the compact microstructure, its relative density is 97.3%, meanwhile had a fine grain size of about 37.6 nm. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:256 / 260
页数:5
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