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Article

Evaluation of the Effect of Minor Additions in the Crystallization Path of [(Fe0.5Co0.5)0.75B0.2Si0.05]100-xMx Metallic Glasses by Means of Mössbauer Spectroscopy

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Departament de Física, Universitat Politècnica de Catalunya, BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
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Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, A-8700 Leoben, Austria
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Department of Mechanical Engineering, University of Dunaujvaros, Tancsics M. u. 1/A, H-2400 Dunaujvaros, Hungary
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Departament d’Enginyeria Industrial i Construcció, Universitat de les Illes Balears, Cra. De de Valldemossa km 7.5, 07122 Palma de Mallorca, Spain
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Laboratory of Metal Physics and Technology, Department of Materials, ETH Zurich, 8093 Zurich, Switzerland
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Departament de Física, Universitat de les Illes Balears, Cra. de Valldemossa km 7.5, 07122 Palma de Mallorca, Spain
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Institut de Tècniques Energètiques (INTE), Av. Diagonal 647, 08028 Barcelona, Spain
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Barcelona Research Center in Multiscale Science and Engineering, Av. Eduard Maristany 16, 08019 Barcelona, Spain
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Author to whom correspondence should be addressed.
Academic Editor: Qingping Cao
Metals 2021, 11(8), 1293; https://doi.org/10.3390/met11081293
Received: 22 July 2021 / Revised: 6 August 2021 / Accepted: 13 August 2021 / Published: 16 August 2021
(This article belongs to the Special Issue Mössbauer Analysis Applied to Metals, Alloys and Compounds)
Understanding the crystallization of metallic glasses is fundamental in the design of new alloys with enhanced properties and better glass-formability. The crystallization of a series of Fe-based metallic glasses of composition [(Fe0.5Co0.5)0.75B0.2Si0.05]100-xMx (M = Mo, Nb and Zr) has been studied by means of differential scanning calorimetry and transmission Mössbauer spectroscopy. This latter technique allows the following of the microstructural evolution of the studied alloys through the identification and quantification of the several Fe-containing crystalline phases and also through the changes in the amorphous structure at the initial stages of crystallization. The results show that the crystallization products are the same for all the studied compositions (α-Fe, Fe2B, (FeCo)23B6 and a paramagnetic remnant) although with different relative proportions and the crystallization of a phase without Fe in the alloys with Zr. Moreover, the addition of Zr favors the crystallization of α-Fe causing a detrimental effect on the glass forming ability, while the increase in Mo content up to 6 at% favors the crystallization of (FeCo)23B6. The different amount of α-Fe and borides is presented as a measure of the glass forming ability of this type of alloys. View Full-Text
Keywords: metallic glasses; Mössbauer spectroscopy; crystallization metallic glasses; Mössbauer spectroscopy; crystallization
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MDPI and ACS Style

Panahi, S.L.; Ramasamy, P.; Masdeu, F.; Stoica, M.; Torrens-Serra, J.; Bruna, P. Evaluation of the Effect of Minor Additions in the Crystallization Path of [(Fe0.5Co0.5)0.75B0.2Si0.05]100-xMx Metallic Glasses by Means of Mössbauer Spectroscopy. Metals 2021, 11, 1293. https://doi.org/10.3390/met11081293

AMA Style

Panahi SL, Ramasamy P, Masdeu F, Stoica M, Torrens-Serra J, Bruna P. Evaluation of the Effect of Minor Additions in the Crystallization Path of [(Fe0.5Co0.5)0.75B0.2Si0.05]100-xMx Metallic Glasses by Means of Mössbauer Spectroscopy. Metals. 2021; 11(8):1293. https://doi.org/10.3390/met11081293

Chicago/Turabian Style

Panahi, S. L., Parthiban Ramasamy, Francesc Masdeu, Mihai Stoica, Joan Torrens-Serra, and Pere Bruna. 2021. "Evaluation of the Effect of Minor Additions in the Crystallization Path of [(Fe0.5Co0.5)0.75B0.2Si0.05]100-xMx Metallic Glasses by Means of Mössbauer Spectroscopy" Metals 11, no. 8: 1293. https://doi.org/10.3390/met11081293

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