Preparation and Characterization of Al2O3 High Density Ceramic Materials

被引：0
|
作者：
Jia, Chunyan [1 ]
Li, Donghong [1 ]
Liu, Yonghe [1 ]
机构：
[1] Zhengzhou Res Inst CHALCO, Zhengzhou 450041, Peoples R China
来源：
FRONTIERS OF MECHANICAL ENGINEERING AND MATERIALS ENGINEERING II, PTS 1 AND 2 | 2014年 / 457-458卷
关键词：
Al2O3; High density ceramic; Volume density; Shrinkage ratio;
D O I：
10.4028/www.scientific.net/AMM.457-458.266
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
With sub-micron alumina powder as raw material, high alumina ceramics were prepared through isostatic compaction. The volume density and shrinkage ratio were investigated. The influence of sintering temperature and molding pressure were studied on volume density and shrinkage ratio of ceramic. The results indicated that sintering characteristic of alumina ceramics could be improved at the appropriate sintering temperature and molding pressure and its sintering temperature could be decreased by using sub-micron alumina powder as raw material. 95 ceramics were prepared using sub-micron alumina as raw material, when the sintering temperature was 1550 degrees C, molding pressure was 12 t, and ceramic volume density could be achieved 3.71g/cm(3).
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收藏
页码：266 / 269
页数：4
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