Mechanical spectroscopy of phase transitions in Fe-(23-38)Ga-RE alloys

被引：16

作者：

Golovin, I. S. ^{[1
]}

Mohamed, A. K. ^{[1
]}

Palacheva, V. V. ^{[1
]}

Zanaeva, E. N. ^{[1
]}

Cifre, J. ^{[2
]}

Samoylova, N. Yu ^{[1
,3
,4
]}

Balagurov, A. M. ^{[1
,3
,5
]}

机构：

[1] Natl Univ Sci & Technol MISIS, Leninsky Ave 4, Moscow 119049, Russia

[2] Univ Illes Balears, Ctra Valldemossa,Km 7-5, E-07122 Palma De Mallorca, Spain

[3] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Russia

[4] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia

[5] Lomonosov Moscow State Univ, Moscow, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 874卷

关键词：

Fe-Ga; Internal friction; Neutron diffraction; Rare-earth elements; Phase transition; Functional alloys; FE-GA ALLOYS; MAGNETIC-PROPERTIES; ANELASTICITY; MAGNETOSTRICTION;

D O I：

10.1016/j.jallcom.2021.159882

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：

Anelastic effects in Fe-(23-38)Ga binary and ternary alloys doped with rare-earth (RE) elements, RE = Pr, Sm, Tb, Er, and Yb, are studied in a sub-resonance frequency through heating and cooling in the range from 0 to 600 degrees C. In situ neutron diffraction, vibrating sample magnetometry (VSM), and differential scanning calorimetry (DSC) are used to trace phase transitions during heating and cooling and to interpret anelastic effects due to phase transitions. Besides the thermally activated effects, two transient effects due to the first-order transitions D0(3) -> L1(2) and B2/D0(3) -> Fe13Ga9 (later in alloys with Ga content > 29 at%) are studied. In most cases, the RE elements decrease the rate of phase transitions. The obtained results demonstrate an excellent correlation between temperature-dependent internal friction, in situ neutron diffraction, and vibrating sample magnetometry tests. (C) 2021 Elsevier B.V. All rights reserved.

引用

页数：13

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