Force‒magnetic coupling effect of X80 pipeline steel: A study of the coercivity‒stress relationship

IF 3.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Solid State Sciences Pub Date : 2025-02-01 DOI:10.1016/j.solidstatesciences.2024.107814

Shuang Zhao , Yukun Li , Guoqiang Sun , Jingjing Yu , Youqiang Xi

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Abstract

The force‒magnetic coupling effect of ferromagnetic materials is the result of the macroscopic influence of mechanical properties on magnetic properties under the joint action of a stress field and an applied magnetic field, which can essentially be attributed to the transformation of the microscopic structure of the magnetic domain leading to a change in material properties. Taking X80 pipeline steel as an example, the effect of stress on important magnetic parameters (maximum value of the applied magnetic field, value of coercivity, and value of residual magnetic induction) of ferromagnetic materials is investigated under different excitation intensities. The results indicate that the coercivity has the highest degree of sensitivity to stress. With full consideration of the effect of the leakage magnetic field of a semiclosed magnetic circuit, the coercivity is corrected by applying a magnetic conductive adhesive. At the same time, a combination of theoretical derivations and experiments is used to obtain the force‒magnetism coupling equation based on the principle of energy minimization, clarify the relationship model between coercivity and stress, and obtain the response law of coercivity to stress in the stages of elasticity and plastic deformation.

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X80管线钢的磁力耦合效应：矫顽力-应力关系的研究

铁磁材料的力磁耦合效应是在应力场和外加磁场的共同作用下，力学性能对磁性能产生宏观影响的结果，本质上可以归结为磁畴微观结构的转变导致材料性能的改变。以X80管线钢为例，研究了不同激励强度下应力对铁磁材料重要磁性参数（外加磁场最大值、矫顽力值和剩余磁感应强度）的影响。结果表明，矫顽力对应力的敏感程度最高。在充分考虑半封闭磁路漏磁场影响的情况下，采用导电胶对矫顽力进行校正。同时，采用理论推导与实验相结合的方法，得到了基于能量最小化原理的磁力耦合方程，明确了矫顽力与应力的关系模型，得到了矫顽力在弹塑性变形阶段对应力的响应规律。

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来源期刊

Solid State Sciences 化学-无机化学与核化学

CiteScore

6.60

自引率

2.90%

发文量

214

审稿时长

27 days

期刊介绍： Solid State Sciences is the journal for researchers from the broad solid state chemistry and physics community. It publishes key articles on all aspects of solid state synthesis, structure-property relationships, theory and functionalities, in relation with experiments. Key topics for stand-alone papers and special issues: -Novel ways of synthesis, inorganic functional materials, including porous and glassy materials, hybrid organic-inorganic compounds and nanomaterials -Physical properties, emphasizing but not limited to the electrical, magnetical and optical features -Materials related to information technology and energy and environmental sciences. The journal publishes feature articles from experts in the field upon invitation. Solid State Sciences - your gateway to energy-related materials.