Effect of Stress on Variations in the Magnetic Field of Ferromagnetic Steel under a Constant DC Magnetic Field

Bin Yang, Yang Gao (), Lin Liu, Zhifeng Liu (), Yue Yu and Ruimin Wang
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Bin Yang: School of Mechanical Engineering, Hefei University of Technology, Hefei 230002, China
Yang Gao: School of Mechanical Engineering, North Minzu University, Yinchuan 750021, China
Lin Liu: Mechanical Engineering Department, University of Kansas, Lawrence, KS 66045, USA
Zhifeng Liu: School of Mechanical Engineering, Hefei University of Technology, Hefei 230002, China
Yue Yu: School of Electrical and Information Engineering, North Minzu University, Yinchuan 750021, China
Ruimin Wang: Mechanical Engineering Department, University of Kansas, Lawrence, KS 66045, USA

Energies, 2022, vol. 15, issue 24, 1-9

Abstract: In this paper, variations in the normal component of the magnetic field B Z on the surface of Q195 steel specimens produced by simultaneous application of noncoaxial DC magnetic field and stress were studied by tensile tests. It was found that there was no shift in the direction of B Z variations when the specimens were magnetized parallel to stress, whereas the direction of B Z variations shifted a slight angle relative to the DC magnetic field when the specimens were magnetized perpendicular to stress. The amplitude of B Z increased with stress from 0 MPa to 120 MPa when the stress was parallel to the DC magnetic field. On the contrary, the amplitude of B Z decreased with stress from 0 MPa to 120 MPa when the stress was perpendicular to the DC magnetic field. The mechanisms underlying the experimental characteristics are also discussed. This research provides the possibility for quantitative inspection of the stress in ferromagnetic steels using surface magnetic field measurements.

Keywords: stress; normal component of surface magnetic field; magnetization; magneto-mechanical effect (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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