Phase transformation, thermal behavior, and magnetic study of new (FeSiBP)100-XCuX glassy alloys obtained by melt-spinning in air

Phase transformation, thermal behavior, and magnetic study of new (FeSiBP)100-XCuX glassy alloys obtained by melt-spinning in air

In the current work, a new variation of the FeSiBPCu system with good glass forming ability and soft magnetic properties was developed and investigated. The effect of copper addition on the FeSiBP base alloy was studied in the system (Fe 0.77 Si 0.08 B 0.1 P 0.05 ) 100-x Cu x with x  = 0, 0.25, 0.5,...

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Bibliographic Details
Published in:Journal of materials research Vol. 38; no. 14; pp. 3458 - 3466
Main Authors: Perea-Cabarcas, D., Parra Vargas, C. A., Echeverría Echeverría, F., Bolívar Osorio, F. J.
Format: Journal Article
Language:English
Published: Cham Springer International Publishing 28-07-2023
Springer Nature B.V
Subjects:
Alpha iron
Amorphous alloys
Annealing
Applied and Technical Physics
Biomaterials
Chemical composition
Chemistry and Materials Science
Copper
Crystallization
Glass formation
Glass transition
Inorganic Chemistry
Magnetic properties
Materials Engineering
Materials research
Materials Science
Melt spinning
Microstructure
Nanotechnology
Phase transitions
Thermal transformations
Thermodynamic properties
Nanocrystalline alloys
Soft magnetic properties
Fe-based metallic glass
Alloy design
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Summary:In the current work, a new variation of the FeSiBPCu system with good glass forming ability and soft magnetic properties was developed and investigated. The effect of copper addition on the FeSiBP base alloy was studied in the system (Fe 0.77 Si 0.08 B 0.1 P 0.05 ) 100-x Cu x with x  = 0, 0.25, 0.5, 0.75 and 1.0 at%. Microstructural evolution upon the annealing process was evaluated by XRD and TEM, revealing the formation of α-Fe(Si), Fe 2 B and Fe 3 (B,P) crystalline phases. VSM allowed to determine that the combination of chemical composition and microstructure with the best soft magnetic properties after the annealing corresponds with the alloy with 0.75% Cu. In addition, activation energy for glass transition and the first crystallization event were calculated using the Kissinger method. The research findings demonstrated that maintaining the relationship between the main elements, it is possible to keep the good glass forming ability with the possibility of developing a nanocrystalline structure with soft magnetic performance. Graphical abstract
ISSN:0884-2914
2044-5326
DOI:10.1557/s43578-023-01055-0