Niobium aluminides

被引：43
作者：
Hanada, S
机构：
[1] Institute for Materials Research, Tohoku Univ., Katahira 2-1-1, A., Sendai
来源：
CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE | 1997年 / 2卷 / 03期
关键词：
D O I：
10.1016/S1359-0286(97)80115-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Niobium aluminides for structural applications to operate beyond the operating temperatures of conventional nickel-base superalloys have been assessed over the past few years. The niobium aluminides have extremely high strength at elevated temperatures, above 1000 degrees C. Brittleness at ambient temperatures is alleviated by incorporating a ductile phase, and poor oxidation resistance is being improved by macro- or micro-alloying.
引用
收藏
页码：279 / 283
页数：5
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