各种退磁状态下交换耦合 Nd2（Fe,Co）14B 合金的磁化过程

IF 1.1 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING Physics of Metals and Metallography Pub Date : 2024-05-27 DOI:10.1134/s0031918x23603013

I. V. Alekseev, S. V. Andreev, A. S. Volegov, N. V. Selezneva

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引用次数: 0

摘要

摘要研究了交换耦合快速淬火纳米晶合金 Nd2(Fe1-xCox)14B（其中 x = 0、0.07、0.2、0.5）的磁化过程。获得了各种退磁状态下的初始磁化曲线和相互作用图 δM(H)。根据测量结果的比较，显示了针刺型机制对 Nd2(Fe1 - xCox)14B 熔纺带磁化过程的影响。利用 δM(H) 图，研究了快速淬火 Nd2(Fe1 - xCox)14B 纳米晶合金中晶粒间交换相互作用随钴浓度变化的情况。

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Magnetization Processes of Exchange Coupled Nd2(Fe,Co)14B Alloys in Various Demagnetized States

Abstract

Processes of magnetization in exchange-coupled rapidly quenched nanocrystalline alloys Nd₂(Fe_{1 – x}Co_x)₁₄B, where x = 0, 0.07, 0.2, 0.5, have been studied. Initial magnetization curves and interaction plots δM(H) for various demagnetized states were obtained. Based on comparison of measurement results, influence of the pinning type mechanism on magnetization process in the Nd₂(Fe_{1 – x}Co_x)₁₄B melt-spun ribbons is shown. Using δM(H) plots, a change in intergrain exchange interaction depending on cobalt concentration in rapidly quenched Nd₂(Fe_{1 – x}Co_x)₁₄B nanocrystalline alloys was investigated.

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来源期刊

Physics of Metals and Metallography 工程技术-冶金工程

CiteScore

2.00

自引率

25.00%

发文量

108

审稿时长

3 months

期刊介绍： The Physics of Metals and Metallography (Fizika metallov i metallovedenie) was founded in 1955 by the USSR Academy of Sciences. Its scientific profile involves the theory of metals and metal alloys, their electrical and magnetic properties, as well as their structure, phase transformations, and principal mechanical properties. The journal also publishes scientific reviews and papers written by experts involved in fundamental, application, and technological studies. The annual volume of publications amounts to some 250 papers submitted from 100 leading national scientific institutions.