Research on grain growth in porous alumina ceramics using graphite as pore-forming agent

被引：0
|
作者：
Shen, Qian-Qian [1 ]
Tian, Dong [1 ]
Guo, Li-Hua [1 ]
Wang, Shu-Hua [1 ,2 ]
Jia, Hu-Sheng [1 ,2 ]
机构：
[1] College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
[2] Key Laboratory of Interface Science and Engineering in Advanced Materials, Taiyuan University of Technology, Taiyuan 030024, China
来源：
Rengong Jingti Xuebao/Journal of Synthetic Crystals | 2010年 / 39卷 / 05期
关键词：
Grain growth - Graphite - Sintering - Ceramic materials - Alumina - Grain size and shape - Aluminum oxide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of sintering temperature, holding time and content of graphite on the porosity and grain size of the ceramics in graphite-alumina biphasic system were investigated. The results showed that the grain size increased and porosity decreased as sintering temperature or holding time increasing. With the increase of graphite content, porosity obviously increased, while the grain size did not obviously change. On the basis of above experiments, the logarithmic relationship between grain growth and holding time was simulated. It was found that the grain growth index of porous alumina is 2.95, which is basically tallies with theoretical value.
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页码：1176 / 1180
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