用于弯曲应用的新型块状磁致伸缩传感器

IF 2.5 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Magnetism and Magnetic Materials Pub Date : 2024-11-02 DOI:10.1016/j.jmmm.2024.172636

Mohammad Reza Karafi, Mina Poursadr

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引用次数: 0

摘要

本文使用一种块状磁致伸缩材料来测量弯曲力。它是由圆柱形的高锰酸钒合金制成的。在该传感器中，两个梳状磁芯和激励线圈用于在材料表层产生磁场。当对材料施加弯曲力时，产生的应力会导致材料表面的磁通密度发生变化。拾取线圈中的感应电压变化被用作传感器的输出。传感器的测量范围最高可达 280 牛顿。弯曲传感器的精度为 ±5.1%FS。传感器的弯曲力测量灵敏度为 7.5mV/N。通过进行组合加载测试发现，传感器能够检测两个方向的弯曲力。两个方向的输出是解耦的，只有 4.7% 的输出会相互影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A novel bulk magnetostrictive sensor for bending applications

In this paper, a bulk magnetostrictive material is used to measure bending forces. It is made of a cylindrical vanadium permendur alloy. In this sensor, two comb shape magnetic cores and excitation coils are used to create magnetic fields in the material’s surface layer. When bending force is applied to the material, created stresses causes a change in the magnetic flux density on the surface of the material. Induced voltage changes in the pickup coils are used as the output of the sensor. The range of the sensor is up to 280 Newtons. The accuracy of the bending sensor is

\pm 5.1 % F S .

The bending force measurement sensitivity of the sensor is

7.5 m V / N

. By performing combined loading tests, it was found that the sensor is able to detect bending force in both directions. The outputs of the two directions are decoupled and only 4.7 % is affected by each other.

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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.