Influence of the Cooling Rate on the Heterogeneity of the Structure in the Rapid Quenched Fe - Based Alloys with the Si Addition

• Autorzy: Jeż Bartłomiej

Identyfikatory

DOI

10.24425/amm.2024.147813

• Języki publikacji: EN

Abstrakty

EN

The paper presents the results of research from the analysis of primary magnetization curves for Fe based amorphous alloys. Structural defects in the form of pseudodislocation dipoles occur in amorphous alloys. Using the theory developed by H. Kronmuller called the approach to ferromagnetic saturation, it is possible to indirectly observe internal stresses occurring in the volume of amorphous alloys. The magnetic structure is sensitive to all kinds of inhomogeneities that become visible in the process of high-field magnetization. It has been shown that the cooling rate of the liquid alloy has a great influence on the migration of atoms during the solidification process. Longer time of alloy formation causes more atoms to occupy ordered positions, which results in a change in the distance between the magnetic atoms and a higher degree of structure relaxation. This is indicated by a significant difference in the value of the spin wave stiffness parameter D_spf. The structural differences of the alloys were also investigated using a magnetic balance. It has been shown that the cooling rate influences insignificant differences in the course of thermomagnetic curves and the Curie temperature.

Słowa kluczowe

EN

amorphous alloys; primary magnetization curve; soft magnetic materials; magnetization in strong magnetic fields

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2024
• Tom: Vol. 69, iss. 1
• Strony: 231--235
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wzory

Twórcy

autor

Jeż Bartłomiej

• Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, Department of Technology and Automation, 19C Armii Krajowej Str., 42-200 Czestochowa, Poland

• https://orcid.org/0000-0002-7918-5946

Bibliografia

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