Investigation of Al2O3/Cr3C2 composites prepared by pressureless sintering:: 3

被引：5
|
作者：
Huang, JL [1 ]
Huang, JJ
Jeng, CA
Li, AK
机构：
[1] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Tainan 701, Taiwan
[2] Ind Technol Res Inst, Mat Res Lab, Hsinchu 310, Taiwan
来源：
CERAMICS INTERNATIONAL | 1999年 / 25卷 / 02期
关键词：
sintering; composite; Al2O3; Cr3C2;
D O I：
10.1016/S0272-8842(98)00014-5
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：
The phase stability of Cr3C2 in Al2O3/Cr3C2 composites sintered in as received Ar, purified Ar and vacuum were investigated. Test samples were cold isostatically pressed prior to pressureless sintering. Results suggested that phase conversion of Cr3C2 was eliminated by the reduction of oxygen content in sintering atmosphere. In addition, the porosities were substantially reduced, and strength and toughness were enhanced while sintered in vacuum. (C) 1999 Elsevier Science Limited and Techna S.r.l. All rights reserved.
引用
收藏
页码：141 / 144
页数：4
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