Control Law and Mechanism of Residual Stress in Ferromagnetic Material with Magnetic Treatment

doi:10.3901/JME.2025.06.174

Abstract

Abstract: Magnetic treatment has attracted widespread attention due to its advantages such as low consumption, high efficiency and no pollution. However, the mechanism and interaction between the magnetic properties and internal stress during magnetic treatment are not yet clear, and the correlation between magnetic treatment parameters and stress relaxation remains to further study. Therefore, The influence of magnetic treatment parameters on the dynamic evolution and mechanism of residual stress in silicon steel are revealed through experimental platforms. The gain effect of external tension on stress control effect is explored. The difference in stress control effect and mechanism of magnetic treatment between ferromagnetic and non-ferromagnetic materials under magnetic treatment are analyzed. The results show that the control effect of the residual stress of silicon steel fluctuates sinusoidally with time. The residual stress relief can be effectively driven when the magnetic induction does not reach saturation, but raise when the magnetic induction exceeds saturation. The external tension affected the magnetization state of the material, and a large external tension promoted the dynamic reconstruction of the old and new domain walls, resulting in a gain effect on the stress control effect of magnetic treatment. Magnetic treatment can control the residual stress of non-ferromagnetic materials, but its dominant mechanism is different from ferromagnetic materials. When the superposition of magnetostriction and local stress is greater than the dislocation resistance considering for magnetoplastic effect, the residual stress relaxation can be started. The results provides theoretical basis and technical support for magnetic treatment to control residual stress in ferromagnetic and non-ferromagnetic materials.

Key words: magnetic treatment, residual stress, tension stress, mechanism, non-ferromagnetic

CLC Number:

TG156

SONG Hechuan, ZHOU Xiaomin, ZHANG Qingdong, XIONG Qingxia, ZHANG Boyang. Control Law and Mechanism of Residual Stress in Ferromagnetic Material with Magnetic Treatment[J]. Journal of Mechanical Engineering, 2025, 61(6): 174-183.

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