Influence of rare earth element terbium doping on microstructure and magnetostrictive properties of Fe81Al19 alloy

Wang, Rui; Tian, Xiaobo; Yao, Zhanquan; Zhao, Xuan; Hu, Hao

doi:10.1016/j.jre.2020.12.009

Cited by 8 publications

(3 citation statements)

References 50 publications

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“…The grain shape of the alloy appears columnar and its orientation along the direction of water cooling is very clearly shown. As mentioned in the literature, the gray matrix phase structure is the Fe (Ga) solid solution phase with a bcc structure [21]. There are three reasons for the formation of black dot tissue.…”

Section: Analysis Of Alloy Structure and Morphologymentioning

confidence: 98%

“…Within x = 0.5-2.5%, the λs of the alloy rises and reaches the maximum value of 115 ppm at x = 2.5%. After adding the La element in the Fe-Ga alloy, large portions of the La exist in the form of precipitates, Materials 2023, 16, 12 8 of 10 but a small amount will still dissolve in the matrix, leading to preferred orientation in the (100) direction, greater magneto-crystalline anisotropy and a greater tetragonal distortion range, which enhances the magnetostrictive property [27]. At 2.5-4.5%, λs reduces continuously, which is the result of the joint action of the increase in the lattice constant and the decrease in I 200 /I 110 (%) and is consistent with the previous theory.…”

Section: Magnetostriction Propertiesmentioning

confidence: 99%

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Effect of Al and La Doping on the Structure and Magnetostrictive Properties of Fe73Ga27 Alloy

Gong

et al. 2022

Materials

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The changes of microstructure, magnetostriction properties and hardness of the Fe73Ga27−xAlx alloy and (Fe73Ga27−xAlx)99.9La0.1 alloy (x = 0, 0.5, 1.5, 2.5, 3.5, 4.5) were studied by doping Al into the Fe73Ga27 and (Fe73Ga27)99.9La0.1 alloy, respectively. The results show that both the Fe73Ga27−xAlx alloy and (Fe73Ga27−xAlx)99.9La0.1 alloy are dominated by the A2 phase, and the alloy grains are obvious columnar crystals with certain orientations along the water-cooled direction. A proportion of Al atoms replaced Ga atoms, which changed the lattice constant of the alloy, caused lattice distortion, and produced vacancy effects which affected the magnetostriction properties. La atoms were difficult to dissolve in the matrix alloy which made the alloy grains smaller and enhanced the orientation along the (100) direction, resulting in greater magneto-crystalline anisotropy and greater tetragonal distortion, which is conducive to improving the magnetostriction properties. Fe73Ga24.5Al2.5 alloy has a saturation magnetostrictive strain of 74 ppm and a hardness value of 268.064 HV, taking into account the advantages of saturated magnetostrictive strain and high hardness. The maximum saturation magnetostrictive strain of the (Fe73Ga24.5Al2.5)99.9La0.1 alloy is 115 ppm and the hardness is 278.096 HV, indicating that trace La doping can improve the magnetostriction properties and deformation resistance of Fe-Ga alloy, which provides a new design idea for the Fe-Ga alloy, broadening their application in the field of practical production.

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Section: Analysis Of Alloy Structure and Morphologymentioning

confidence: 98%

Section: Magnetostriction Propertiesmentioning

confidence: 99%

Effect of Al and La Doping on the Structure and Magnetostrictive Properties of Fe73Ga27 Alloy

Gong

et al. 2022

Materials

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“…To improve the adhesion of the scale, doping of the alloy with rare earth metals (REM: La, Y, Ce etc.) is used [5][6][7][8], as for other alloys [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Oxidation Kinetics of FeCr and FeCrAl Alloys: Influence of Secondary Processes

Nakhutsrishvil

2023

Preprint

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The work presents a mathematical model of a thermogravimetric curve for the growth and simultaneous sublimation of scale on a metal or alloy surface. Reduction of the reaction area as a result of the formation of oxides of alloying elements (for obtaining the basic oxide) is considered for the alloy. For metals, the case where this area is increased as a result of powder metal crushing is also considered. The equations that were obtained are employed to explain the kinetic curves of the mass change of the samples.

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A comprehensive review of spinel ferrites and their magnetic composites as highly efficient adsorbents of rare earth elements

Rafie,

Abu-Zahra,

Sillanpää

2025

Emerging Contaminants

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Influence of rare earth element terbium doping on microstructure and magnetostrictive properties of Fe81Al19 alloy

Cited by 8 publications

References 50 publications

Effect of Al and La Doping on the Structure and Magnetostrictive Properties of Fe73Ga27 Alloy

Effect of Al and La Doping on the Structure and Magnetostrictive Properties of Fe73Ga27 Alloy

Oxidation Kinetics of FeCr and FeCrAl Alloys: Influence of Secondary Processes

A comprehensive review of spinel ferrites and their magnetic composites as highly efficient adsorbents of rare earth elements

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