Effect of Cu additions over the lattice parameter and hardness of the NiAl intermetallic compound

被引:20
作者
Colin, J. [1 ]
Serna, S. [2 ]
Campillo, B. [3 ]
Rodriguez, R. A. [4 ]
Juarez-Islas, J. [4 ]
机构
[1] Univ Autonoma Estado Morelos, Fac Ciencias Quim & Ingn, Cuernavaca 62209, Morelos, Mexico
[2] Univ Autonoma Estado Morelos, Ctr Invest Ingn & Ciencias Aplicadas, Cuernavaca 62209, Morelos, Mexico
[3] Univ Nacl Autonoma Mexico, Inst Ciencias Fis, Fac Quim, Cuernavaca 62210, Morelos, Mexico
[4] Univ Nacl Autonoma Mexico, Inst Invest Mat, Mexico City 04510, DF, Mexico
关键词
Intermetallic alloys; Crystal structure; Microhardness; Microstructure; Deformation; DUCTILITY; ALLOYS; MICROSTRUCTURE; NI3AL; AL;
D O I
10.1016/j.jallcom.2009.09.034
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A set of NiAl intermetallic alloys was prepared with several Cu additions, exploring the Ni-rich and the Al-rich side of the NiAl intermetallic compound. An abrupt increment in hardness was obtained in the Al-rich alloys. while the opposite occurs in the Ni-rich alloys. This may be due to the presence of beta-phase (Ni,Cu) Al and gamma'-phase (Ni,Cu)(3)Al, in addition to the variation of the beta-phase lattice parameter. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:26 / 29
页数:4
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