Multiphysics modelling of magnetic Curie point materials: Application to thermal self-regulation during induction heating

IF 3 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Magnetism and Magnetic Materials Pub Date : 2025-09-15 DOI:10.1016/j.jmmm.2025.173496

Hakim Oueslati , Guillaume Wasselynck , Didier Trichet , Simon Morville

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引用次数: 0

Abstract

Controlled Curie point materials are considered innovative due to their property of abrupt magnetic extinction when their temperature exceeds a specific threshold. This property could be used to make them very suitable for a variety of industrial processes that require temperature self-regulation. The use of these materials in magnetic induction heating may allow the power transfer to be greatly reduced at the Curie point, ensuring precise control of the heating process. However, recent developments have enabled the design of customisable materials, where the Curie threshold can be precisely adjusted during the manufacturing process in a range from ambient temperature to several hundred degrees. This tunability is commonly achieved in FeNi-based alloys, where the Curie temperature is controlled by adjusting the composition ratio of nickel and iron. Other alloying elements, such as aluminium or rare earth metals, can also be incorporated to further modify the magnetic and thermal properties. Therefore, designers need modelling tools to handle these phenomena. In this paper, a two-dimensional coupled electromagnetic and thermal model for the induction heating of magnetic materials with a low Curie point temperature is developed to validate the proof of concept.

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磁性居里点材料的多物理场建模：在感应加热过程中热自调节中的应用

可控居里点材料由于其温度超过特定阈值时突然磁消的特性而被认为是创新的。这种特性可以使它们非常适合各种需要温度自我调节的工业过程。在磁感应加热中使用这些材料可以使居里点的功率传输大大减少，从而确保加热过程的精确控制。然而，最近的发展使得可定制材料的设计成为可能，在制造过程中，居里阈值可以在从环境温度到几百度的范围内精确调整。这种可调性通常在feni基合金中实现，其中居里温度是通过调节镍和铁的组成比来控制的。其他合金元素，如铝或稀土金属，也可以加入，以进一步改变磁性和热性能。因此，设计师需要建模工具来处理这些现象。本文建立了低居里点温度磁性材料感应加热的二维耦合电磁学和热学模型，以验证概念的证明。

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来源期刊

Journal of Magnetism and Magnetic Materials 物理-材料科学：综合

CiteScore

5.30

自引率

11.10%

发文量

1149

审稿时长

59 days

期刊介绍： The Journal of Magnetism and Magnetic Materials provides an important forum for the disclosure and discussion of original contributions covering the whole spectrum of topics, from basic magnetism to the technology and applications of magnetic materials. The journal encourages greater interaction between the basic and applied sub-disciplines of magnetism with comprehensive review articles, in addition to full-length contributions. In addition, other categories of contributions are welcome, including Critical Focused issues, Current Perspectives and Outreach to the General Public. Main Categories: Full-length articles: Technically original research documents that report results of value to the communities that comprise the journal audience. The link between chemical, structural and microstructural properties on the one hand and magnetic properties on the other hand are encouraged. In addition to general topics covering all areas of magnetism and magnetic materials, the full-length articles also include three sub-sections, focusing on Nanomagnetism, Spintronics and Applications. The sub-section on Nanomagnetism contains articles on magnetic nanoparticles, nanowires, thin films, 2D materials and other nanoscale magnetic materials and their applications. The sub-section on Spintronics contains articles on magnetoresistance, magnetoimpedance, magneto-optical phenomena, Micro-Electro-Mechanical Systems (MEMS), and other topics related to spin current control and magneto-transport phenomena. The sub-section on Applications display papers that focus on applications of magnetic materials. The applications need to show a connection to magnetism. Review articles: Review articles organize, clarify, and summarize existing major works in the areas covered by the Journal and provide comprehensive citations to the full spectrum of relevant literature.