The Al-rich region of the Al-Fe-Mn alloy system

被引：36

作者：

Balanetskyy, S. ^{[1
,2
]}

Pavlyuchkov, D. ^{[2
,3
]}

Velikanova, T. ^{[2
]}

Grushko, B. ^{[4
]}

机构：

[1] Forschungszentrum Julich, IMF IFF, D-52425 Julich, Germany

[2] IN Frantsevich Inst Problems Mat Sci, Dept Phys Chem Inorgan Mat, UA-03680 Kiev 142, Ukraine

[3] Tech Univ Freiberg, Inst Mat Sci, D-09599 Freiberg, Germany

[4] Forschungszentrum Julich, PGI 5, D-52425 Julich, Germany

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 619卷

关键词：

Transition metal alloys and compounds; Phase diagrams; CR PHASE-DIAGRAM; CRYSTAL-STRUCTURE; TRANSLATIONAL SYMMETRY; STRUCTURE REFINEMENT; QUASI-CRYSTAL; EQUILIBRIA; ALUMINUM; RANGE; PART; INTERMETALLICS;

D O I：

10.1016/j.jallcom.2014.08.232

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：

Phase equilibria in the Al-rich region of the Al-Fe-Mn alloy system were studied at 1070, 1020, 950, 875, 800, 740, 695 and 650 degrees C. The continuous region of the bcc solid solution was estimated between the Al-Mn and Al-Fe terminals. Also the isostructural high-temperature Al-Mn and Al-Fe gamma(1)-phases (gamma-brass type structure) form continuous regions. The Al6Mn, high-temperature T-Al11Mn4 and low-temperature gamma(2) phases dissolve up to 9.0, 14.5 and 31.0 at.% Fe, respectively, while the M-Al13Fe4, Al5Fe2 and Al2Fe phases dissolve up to 15.5, 11.5 and 10.0 at.% Mn, respectively. The thermodynamically stable decagonal D-3-phase with periodicity of 1.25 nm in the specific direction and two periodic intermetallics designated phi(P6(3)/mmc; a = 0.7554, c = 0.7872 nm) and kappa (P6(3)/m; a = 1.7630, c = 1.2506 nm) were identified. An additional ternary phase of unknown structure was also revealed. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：211 / 220

页数：10

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