Investigation of Fabrication and Microstructure of the Fe3Al/Al2O3 Composites by Hot-pressing Process

被引：0
|
作者：
Jiang, Tao [1 ]
Jin, Haiyun [2 ]
机构：
[1] Xian Shiyou Univ, Sch Mat Sci & Engn, Xian 710065, Peoples R China
[2] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Eqipment, Xian 710049, Peoples R China
来源：
ECO-MATERIALS PROCESSING AND DESIGN XII | 2011年 / 695卷
关键词：
Fe3Al/Al2O3; composites; Hot-pressing process; Mechanical alloying; Microstructure; AL-FE SYSTEM; ELEMENTAL POWDERS; ALLOYS; PHASES;
D O I：
10.4028/www.scientific.net/MSF.695.385
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Fe3Al/Al2O3 composites were fabricated by hot-pressing process at 1300 degrees C for 2h under the pressure of 35MPa, by using the Fe3Al interrnetallics compounds powders fabricated by mechanical alloying and heat treatment. The phase composition and microstructure of the Fe3Al intermetallics compounds powders and Fe3Al/Al2O3 composites were investigated. The XRD patterns results showed that the Fe-Al intermetallics compounds powders were prepared by mechanical alloying for 60h and heat treatment process at 800 degrees C and 1000 degrees C. The XRD patterns results showed that there existed Fe3Al phase and Al2O3 phase in sintered composites. The Fe3Al/Al(2)O(3)3 composites exhibited homogenous and compact microstructure, the Fe3Al particles were homogenously distributed in Al2O3 matrix. The mean particles size of Fe3Al was about 3-4 mu m and the mean particles size of Al2O3 matrix was about 4-5 mu m.
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页码：385 / +
页数：2
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