Fabrication of Ti3AlC2 ceramic material by mechanical alloying

被引：0
作者：
Shibo Guo
Qiping Kang
Jun Liu
Xuanhui Qu
机构：
[1] Hunan University of Science and Technology,College of Electromechanical Engineering
[2] University of Science and Technology Beijing,School of Materials Science and Engineering
来源：
Rare Metals | 2010年 / 29卷
关键词：
mechanical alloying; Ti; AlC; microstructure; mechanical properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ti3AlC2 has the properties of ceramics and metals. These excellent properties indicate that Ti3AlC2 is a very promising material to extensive applications. Ti3AlC2 ceramic material was prepared by mechanical alloying. The effects of milling time and sintering temperature on the fracture, microstructure and mechanical properties of Ti3AlC2 ceramic material were analyzed by laser particle analyzer, X-ray diffraction, and scanning electron microscopy. The experimental results showed that Ti3AlC2 had the best comprehensive properties after the composite powder was milled for 3 h and sintered at 1630°C for 2 h. The relative density, bending strength, and hardness of the sample reached 92.23%, 345.2 MPa, and HRA 34.1, respectively. The fracture surface indicated that the fracture of the material belonged to ductile rapture.
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页码：376 / 379
页数：3
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