Absence of long-range chemical ordering in equimolar FeCoCrNi

被引：194

作者：

Lucas, M. S. ^{[1
,2
]}

Wilks, G. B. ^{[1
,3
]}

Mauger, L. ^{[4
]}

Munoz, J. A. ^{[4
]}

Senkov, O. N. ^{[1
,3
]}

Michel, E. ^{[1
,5
]}

Horwath, J. ^{[1
]}

Semiatin, S. L. ^{[1
]}

Stone, M. B. ^{[6
]}

Abernathy, D. L. ^{[6
]}

Karapetrova, E. ^{[7
]}

机构：

[1] USAF, Res Lab, Wright Patterson AFB, OH 45433 USA

[2] UTC Inc, Dayton, OH 45432 USA

[3] UES Inc, Dayton, OH 45432 USA

[4] CALTECH, WM Keck Lab, Pasadena, CA 91125 USA

[5] Wright State Univ, Dayton, OH 45435 USA

[6] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[7] Argonne Natl Lab, Argonne, IL 60439 USA

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 25期

关键词：

NI PHASE-DIAGRAM; ENTROPY; SCATTERING;

D O I：

10.1063/1.4730327

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Equimolar FeCoCrNi alloys have been the topic of recent research as "high-entropy alloys," where the name is derived from the high configurational entropy of mixing for a random solid solution. Despite their name, no systematic study of ordering in this alloy system has been performed to date. Here, we present results from anomalous x-ray scattering and neutron scattering on quenched and annealed samples. An alloy of FeNi3 was prepared in the same manner to act as a control. Evidence of long-range chemical ordering is clearly observed in the annealed FeNi3 sample from both experimental techniques. The FeCoCrNi sample given the same heat treatment lacks long-range chemical order. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4730327]

引用

页数：4

共 24 条

[1] Design and operation of the wide angular-range chopper spectrometer ARCS at the Spallation Neutron Source [J].

Abernathy, D. L. ;

Stone, M. B. ;

Loguillo, M. J. ;

Lucas, M. S. ;

Delaire, O. ;

Tang, X. ;

Lin, J. Y. Y. ;

Fultz, B. .

REVIEW OF SCIENTIFIC INSTRUMENTS, 2012, 83 (01)

[2]

Fultz B., 2002, TRANSMISSION ELECT M, P242

[3]

Graef M.D., 2007, STRUCTURE MAT INTRO, P305

[4] X-RAY INTERACTIONS - PHOTOABSORPTION, SCATTERING, TRANSMISSION, AND REFLECTION AT E=50-30,000 EV, Z=1-92 [J].

HENKE, BL ;

GULLIKSON, EM ;

DAVIS, JC .

ATOMIC DATA AND NUCLEAR DATA TABLES, 1993, 54 (02) :181-342

[5] Local atomic order and individual pair displacements of Fe46.5Ni53.5 and Fe22.5Ni77.5 from diffuse x-ray scattering studies [J].

Jiang, X ;

Ice, GE ;

Sparks, CJ ;

Robertson, L ;

Zschack, P .

PHYSICAL REVIEW B, 1996, 54 (05) :3211-3226

[6] Design and performance of the 33-BM beamline at the Advanced Photon Source [J].

Karapetrova, Evguenia ;

Ice, Gene ;

Tischler, Jonathan ;

Hong, Hawoong ;

Zschack, Paul .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2011, 649 (01) :52-54

[7] Neutron scattering measurements of phonons in nickel at elevated temperatures [J].

Kresch, M. ;

Delaire, O. ;

Stevens, R. ;

Lin, J. Y. Y. ;

Fultz, B. .

PHYSICAL REVIEW B, 2007, 75 (10)

[8]

KRESCH M, 2009, THESIS CALTECH

[9] NEUTRON DIFFUSE-SCATTERING INVESTIGATION OF DIFFERENT STATES OF LOCAL ORDER IN (NI0.765FE0.235)-NI-62 [J].

LEFEBVRE, S ;

BLEY, F ;

FAYARD, M ;

ROTH, M .

ACTA METALLURGICA, 1981, 29 (05) :749-761

[10] Magnetic and vibrational properties of high-entropy alloys [J].

Lucas, M. S. ;

Mauger, L. ;

Munoz, J. A. ;

Xiao, Yuming ;

Sheets, A. O. ;

Semiatin, S. L. ;

Horwath, J. ;

Turgut, Z. .

JOURNAL OF APPLIED PHYSICS, 2011, 109 (07)

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