Microstructures of L21/L12 multi-phase intermetallics in Co-Ni-Al-Ti system

被引：0

作者：

Wang, LJ ^{[1
]}

Li, JG ^{[1
]}

Zhang, YG ^{[1
]}

Chen, CQ ^{[1
]}

机构：

[1] Beijing Univ Aeronaut & Astronaut, Dept Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2001年 / 11卷 / 01期

关键词：

Co-Ni-Al-Ti quaternary system; L2(1)-type; (Co; Ni)(2)AlTi; L1(2)-type; Ni)(3)(Al; Ti); intermetallics;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

On the basis of the two ternary systems of Co-Al-Ti and Ni-Al-Ti, a series of high-temperature structural intermetallic alloys comprised of L2(1)-type (Co, Ni)(2)AlTi and Ll(2)-type (Co, Ni)(3)(Al, Ti) ordered phases in the Co-Ni-Al-Ti quaternary system were designed and melted to take the advantages of both the high elevated temperature strength of the L2(1) phase and the intrinsic room temperature ductility of the L1(2) phase. Analysis of the phase equilibrium, phase structure and microstructures of the as-cast and heat-treated alloys were conducted to gain some clues for the further optimization of the compositions, microstructures and processing.

引用

页码：80 / 83

页数：4

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