非晶软磁体平衡机械-磁性能的顺序控制工程

IF 5.6 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Scripta Materialia Pub Date : 2025-09-29 DOI:10.1016/j.scriptamat.2025.117017

Xiao Liu , Rong-Ce Sun , Si-Yi Di , Xue-Song Li , Jing Zhou , Qiang Li , Bao-an Sun , Hai-bo Ke , Wei-hua Wang , Haiyang Bai

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引用次数: 0

摘要

非晶软磁材料在电子器件的能量转换、传输和存储等方面起着至关重要的作用。在高机械载荷下的新兴应用要求同时优化机械性能。然而，在获得优异的软磁性能和机械性能之间存在固有的权衡。受超细双相结构设计的启发，我们提出了一种利用成分波动来构建富铁和贫铁相的策略，以构建可调谐的超细双相非晶结构。通过精确控制富铁团簇结构比和团簇间距，获得了具有优异软磁性能（Bs:1.8T,Hc:0.85Oe）的非晶软磁体，其屈服强度为4.08 GPa (σ/E≈0.03)，且具有50%的均匀塑性变形，且尺寸效应可忽略不计。这种设计模式同时具有超高强度、可塑性和软磁性，为高负载微机电系统和薄膜电感材料等苛刻应用开辟了道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Order control engineering for balanced mechanical-magnetic properties in amorphous soft magnets

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Order control engineering for balanced mechanical-magnetic properties in amorphous soft magnets

Amorphous soft magnetic materials play pivotal roles in energy conversion, transmission, and storage for electronic devices. Emerging applications under high mechanical loads demand simultaneous optimization of mechanical properties. However, an inherent trade-off exists between achieving excellent soft magnetic performance and mechanical properties. Inspired by ultrafine dual-phase structural design, we propose a strategy utilizing composition fluctuations to construct Fe-rich and Fe-poor phases to construct tunable ultrafine dual-phase amorphous structures. By precise control of Fe-rich cluster structure ratio and inter-cluster spacing, we obtained an amorphous soft magnet with exceptional soft magnetic properties

(B_{s} : 1.8 T, H_{c} : 0.85 O e)

alongside outstanding mechanical performance with negligible size effects, including a yield strength of 4.08 GPa

(σ / E \approx 0.03)

and 50% homogeneous plastic deformation. This design paradigm, enabling concurrent ultrahigh strength, plasticity, and soft magnetism, opens avenues for demanding applications such as high-load micro-electromechanical systems systems and thin-film inductor materials.

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来源期刊

Scripta Materialia 工程技术-材料科学：综合

CiteScore

11.40

自引率

5.00%

发文量

581

审稿时长

34 days

期刊介绍： Scripta Materialia is a LETTERS journal of Acta Materialia, providing a forum for the rapid publication of short communications on the relationship between the structure and the properties of inorganic materials. The emphasis is on originality rather than incremental research. Short reports on the development of materials with novel or substantially improved properties are also welcomed. Emphasis is on either the functional or mechanical behavior of metals, ceramics and semiconductors at all length scales.