The Al-Cr-Fe system-phases and phase equilibria in the Al-rich corner

被引：79
|
作者：
Palm, M
机构：
[1] Max-Planck-Inst. Eisenforschung GmbH, D-40237 Düsseldorf
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1997年 / 252卷 / 1-2期
关键词：
Al-Cr-Fe system; phase diagram; intermetallic phases;
D O I：
10.1016/S0925-8388(96)02719-3
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：
An isothermal section for the Al-Cr-Fe system at 1000 degrees C has been experimentally determined. From metallography, electron microprobe analyses and X-ray investigations on quenched samples the phase equilibria in the Al-rich corner of this system were established. No ternary intermetallic phases were found. But the binary compounds-and here especially those intermetallic phases originating in the Al-Cr subsystem-have large solid solubility ranges for the third element. This has a marked influence on the lattice constants, which were determined for all phases. In addition two X-ray spectra are presented. One for Al8Cr5, where three quarters of Cr can be substituted by Fe and for Al4Cr, which was found to have a different crystallographic structure than described elsewhere.
引用
收藏
页码：192 / 200
页数：9
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