The effect of Al on phase stability and oxidation behavior in ternary Nb-Ti-Si alloys

被引：0
|
作者：
Jiang, YongJun [1 ]
机构：
[1] Inner Monglia Univ Sci & Technol, Dept Mech Engn, Baotou, Peoples R China
来源：
MECHATRONICS ENGINEERING, COMPUTING AND INFORMATION TECHNOLOGY | 2014年 / 556-562卷
关键词：
Nb-Si alloys Elements Oxidation Behavior; MECHANICAL-PROPERTIES; COMPOSITES; MICROSTRUCTURE;
D O I：
10.4028/www.scientific.net/AMM.556-562.310
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we report a significant improvement in mechanical and oxidation properties of near eutectic Nb-Si alloys by the addition of aluminum (Al) and control of microstructural length scale. Thus in order to develop new alloys, we have to choose proper alloying elements keeping all the above issues in mind. Among the non-transition elements such as Al, Ga, Ge, Sn, and Al is most attractive from the point of view of enhancing the oxidation resistance and room temperature ductility due to substitution of Si with metallic Al. Al forms oxides which are even more thermodynamically stable than Si and Nb based oxides. Al is also soluble in Nb to a greater degree in conjunction with other refractory elements
引用
收藏
页码：310 / 313
页数：4
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