Effect of mechanical stresses on the magnetic characteristics of pipe steel

Горкунов, Э. С.; Задворкин, С. М.; Мушников, А. Н.; Смирнов, С. В.; Yakushenko, E. I.

doi:10.1134/s002189441403016x

Cited by 13 publications

(3 citation statements)

References 5 publications

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“…Исследования возможностей оценки объемного (трехосного) напряженного состояния ограничиваются частными случаями ввиду сложности проведения подобных экспериментов. Например, в работах [22,54] для получения трехосного напряженного состояния использовано комбинированное нагружение полых цилиндрических образцов одноосным растяжением (или сжатием), кручением и внутренним давлением. Такая схема позволила получить взаимно независимое изменение величин главных напряжений, однако она не дает возможность провести испытания на всестороннее растяжение или всестороннее сжатие, т.е.…”

Section: оценка сложнонапряженного состоянияunclassified

Magnetic Methods of Evaluating Elastic Stresses in Ferromagnetic Steels (Review)

Горкунов¹,

Мушников²

2020

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The paper describes the magnetoelastic effects and the existing concepts of the formation of magnetic textures under the action of elastic stresses in ferromagnetic materials. The possibilities of using magnetic parameters to assess the acting stresses in structural steels are shown: the assessment of the value of uniaxial compressive stresses is practically not difficult, however, there is a problem of assessing tensile stresses in low-alloy steels due to the ambiguous dependence of the magnetic characteristics on elastic tensile deformation. Possible reasons for this ambiguity are discussed, and methods for solving this problem using the anisotropy of the coercive force and the parameters of the magnetic rigidity spectra are shown. The possibilities of evaluating the acting stresses in multilayer ferromagnetics based on the field dependences of the differential magnetic permeability are considered. Papers on the study of the influence of complexly stressed states on the magnetic characteristics of ferromagnetic materials are discussed.

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Section: оценка сложнонапряженного состоянияunclassified

Magnetic Methods of Evaluating Elastic Stresses in Ferromagnetic Steels (Review)

Горкунов¹,

Мушников²

2020

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“…The influence of mechanical strain caused by the stresses from external forces on the magnetic characteristics of soft magnetic materials is very important from both theoretical [1] and applied [2,3] points of view. In spite of the fact that these different physical 3D models of the influence of strain tensor on the relative magnetic permeability µ r tensor were presented previously [4,5], the generalized model of the influence of mechanical stresses on the magnetic characteristics of anisotropic materials was still not presented.…”

Section: Introductionmentioning

confidence: 99%

The Two-Domain Model Utilizing the Effective Pinning Energy for Modeling the Strain-Dependent Magnetic Permeability in Anisotropic Grain-Oriented Electrical Steels

Szumiata,

Rekas,

Gzik-Szumiata

et al. 2024

Materials

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This paper presents a newly proposed domain wall energy-based model of the 2D strain dependence of relative magnetic permeability in highly grain-oriented anisotropic electrical steels. The model was verified utilizing grain-oriented M120-27s electrical steel sheet samples with magnetic characteristics measured by an automated experimental setup with a magnetic yoke. The model’s parameters, identified in the differential evolution-based optimization process, enable a better understanding of the interaction between stress-induced anisotropy and magnetocrystalline anisotropy in electrical steels. Moreover, the consequences of the simplified description of grain-oriented magnetocrystalline anisotropy are clearly visible, which opens up the possibility for further research to improve this description.

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“…Therefore, currently, a specific focus is on the selection of combinations of parameters to be studied, methods of their definition and evaluation; for example, for a particular steel grade [1,2] or particular operating conditions [3]. To develop this line of research, we have conducted a series of tests in order to study the effect of low-cycle loading on the structure and properties of lowalloy steels, to evaluate material degradation and to improve the methods of damage diagnostics for structures of the kind [4,5].…”

Section: Introductionmentioning

confidence: 99%