Preparation and mechanical properties of Fe3Al/Al2O3 nano-/micro-composite

被引：0
|
作者：
Yin, YS [1 ]
Gong, HY [1 ]
Fan, RH [1 ]
Wang, X [1 ]
Tan, XY [1 ]
机构：
[1] Shandong Univ, Key Lab Mat Liquid Struct & Heredity Educ Minist, Key Lab Engn Ceram Shandong Prov, Jinan 250061, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2003年 / 13卷 / 06期
关键词：
alumina; iron aluminide(Fe; Al); composite;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Al2O3 matrix composites reinforced with Fe3Al nano-particles were fabricated by hot processing at 1 450 -1 600 degreesC. The effect of Fe3Al content on the densification, mechanical properties and microstructure of the composites was investigated. The results show that some elongated Al2O3 grains are observed. Fe3Al particles are mainly situated at grain boundaries of the matrix while smaller particles are trapped within the alumina grains. The addition of Fe3Al nanoparticles improves the mechanical properties of alumina. The maximum strength and toughness of the Fe3Al/Al2O3 nanocomposites are 832 MPa and 7.96 MPa (.) m(1/2) respectively.
引用
收藏
页码：1376 / 1380
页数：5
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