Effect of pulsed laser heating on the magnetic properties of the amorphous alloy Fe76Si13B11

Gіrzhon, V. V.; Smolyakov, O. V.; Babich, N. G.; Semen’ko, M. P.

doi:10.1134/s0031918x09080043

Cited by 7 publications

(2 citation statements)

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“…The crystallization process of the amorphous alloy depends on the initial structure, especially in the case of the melt-spinning technique of the alloy production. Besides, the crystallization mechanism and kinetics of the amorphous alloys can depend on treatment features as it was shown in (Nykyruy and Mudry 2020;Girzhon et al 2009Girzhon et al ,2003. Thus, this work aimed to study the effect of heating, annealing at different temperatures, and laser irradiation on structural transformation of rapidly quenched Al 65 Ni 10 Si 25 ribbon.…”

Section: Introductionmentioning

confidence: 94%

Structure and phase transformations of amorphous-nanocrystalline Al-based alloy

et al. 2020

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Structure evolutions of rapidly quenched Al 65 Ni 10 Si 25 alloy were investigated using DTA, X-ray diffraction, SEM, and EDX methods. The processes of structural transformation from the as-quenched state into a nanocrystalline state were studied. The common and distinctive features of structural transformation processes induced by heating, isothermal annealing, and laser irradiation were observed. The formation of the nanoscale structure was observed in all ways of treatment. Two metastable phases that were formed at different temperatures were observed: hexagonal H-phase and Al 9 Ni 2 . The phase composition in the equilibrium state was observed as Al + Si + Al 3 Ni. A high-temperature phase of Al 6 Ni 3 Si was found in the alloy after laser heating that shows the possibility of "freezing" the high-temperature phases in the ribbon structure using laser treatment. The fractal structure was observed on the ribbon surface after irradiation.

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Section: Introductionmentioning

confidence: 94%

Structure and phase transformations of amorphous-nanocrystalline Al-based alloy

et al. 2020

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“…Laser heating of AMA also leads to crystallization process [4][5][6]. However, the laser-induced crystallization process has such a feature that both * E-mail: Yulia_nyk@ukr.net stages of crystallization in most cases occur simultaneously at the irradiated zone which is due to the uneven temperature distribution [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Nanocrystallization and phase formation in Fe_73:5Nb₃Cu₁Si_15:5B₇ amorphous ribbon under laser heating

Nykyruy

Mudry

Kulyk

et al. 2020

Materials Science-Poland

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Laser-induced local crystallization in Finemet-type alloy was studied using X-ray diffraction, SEM and EDX methods. For investigated conditions of irradiation (wavelength λ = 1.06 µm, laser power density 50 W/cm2), it was found that primary crystallization starts with the formation of the nanocrystalline α-Fe(Si) solid solution at shorter exposure time and the second step crystallization with the nanocrystalline hexagonal H-phase formation occurs in longer exposure time. Changes in the local element concentration were observed at the surface of the irradiated zone and at the ribbon fracture. It was shown that the nonlinear temperature field due to the laser irradiation resulted in changes of the local elements concentration and this feature changed crystallization mechanism of the Finemet-type alloy.

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Nanostructuring of Fe73.5Nb3Cu1Si15.5B7 amorphous alloy surface by laser-induced periodic structure formation

et al. 2021

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Effect of pulsed laser heating on the magnetic properties of the amorphous alloy Fe76Si13B11

Cited by 7 publications

References 5 publications

Structure and phase transformations of amorphous-nanocrystalline Al-based alloy

Structure and phase transformations of amorphous-nanocrystalline Al-based alloy

Nanocrystallization and phase formation in Fe_73:5Nb₃Cu₁Si_15:5B₇ amorphous ribbon under laser heating

Nanostructuring of Fe73.5Nb3Cu1Si15.5B7 amorphous alloy surface by laser-induced periodic structure formation

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Effect of pulsed laser heating on the magnetic properties of the amorphous alloy Fe76Si13B11

Cited by 7 publications

References 5 publications

Structure and phase transformations of amorphous-nanocrystalline Al-based alloy

Structure and phase transformations of amorphous-nanocrystalline Al-based alloy

Nanocrystallization and phase formation in Fe73:5Nb3Cu1Si15:5B7 amorphous ribbon under laser heating

Nanostructuring of Fe73.5Nb3Cu1Si15.5B7 amorphous alloy surface by laser-induced periodic structure formation

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Nanocrystallization and phase formation in Fe_73:5Nb₃Cu₁Si_15:5B₇ amorphous ribbon under laser heating