New approximants in the Al-Cr-Fe system and their oxidation resistance

被引：23
|
作者：
Demange, V
Machizaud, F
Dubois, JM
Anderegg, JW
Thiel, PA
Sordelet, DJ
机构：
[1] Ecole Mines, LSG2M, CIM, UMR 7584 CNRS,INPL,UHP, F-54042 Nancy, France
[2] ISU, Dept Chem, Ames, IA 50011 USA
[3] Ames Lab, Dept Chem, Ames, IA 50011 USA
[4] ISU, Dept Mat Sci, Ames, IA 50011 USA
[5] Ames Lab, Met Dev, Ames, IA 50011 USA
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2002年 / 342卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
quasicrystals; transmission electron microscopy; photoelectron spectroscopies;
D O I：
10.1016/S0925-8388(02)00118-4
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：
Two new orthorhombic approximants of the decagonal phase as well as a gamma-brass type phase are pointed out in the Al-Cr-Fe system. Analysis of diffraction data shows that they are isotypic with compounds already known in the Al-Cu-Fe-Cr and Al-Cr alloys, respectively. Resistance to oxidation in water as well as at high temperature is significantly enhanced thanks to the addition of Cr. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码：24 / 29
页数：6
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