Sintering and characterization of Zr2Al3C5 monolith

被引:12
作者
Leela-adisorn, U. [1 ]
Choi, S-M.
Hashimoto, S.
Honda, S.
Awaji, H.
Hayakawa, K.
Yamaguchi, A.
机构
[1] Nagoya Inst Technol, Dept Mat Sci & Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
[2] Japan Fine Ceram Ctr, Atsuta Ku, Nagoya, Aichi 4568587, Japan
[3] Okayama Ceram Res Fdn, Res Lab, Okayama 7050021, Japan
来源
SCIENCE OF ENGINEERING CERAMICS III | 2006年 / 317-318卷
关键词
Zr2Al3C5; Pulse Electric Current Sintering (PECS); complex carbide; mechanical properties; oxidation resistance; hydration resistance;
D O I
10.4028/www.scientific.net/KEM.317-318.27
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
Zr2Al3C5 has been successfully synthesized via solid state reaction between Al, ZrC and carbon powder at 1600 degrees C in vacuum. This complex carbide has very strong bond between metal atoms and carbon atoms. Thus, this material has a potential to be utilized as structural materials. Some properties of Zr2Al3C5 powder from solid-state reaction in vacuum had been tested. It was found that this powder was completely oxidized in air at 900 degrees C 1 h, and can be hydrated in moist air. These drawbacks might come from the high reactivity of the powder due to synthesis in vacuum. Zr2Al3C5 powder from solid state reaction in vacuum was sintered at various temperatures from 1500 degrees C to 2000 degrees C under vacuum with pulse electric current sintering (PECS) and pressureless sintering. Zr2Al3C5 started to sinter at 1500 degrees C and got partially dense from 1700 degrees C. Physical properties and mechanical properties of this material were investigated and discussed.
引用
收藏
页码:27 / 30
页数:4
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