Simulation tool for the Eddy current magnetic signature (EC-MS) non-destructive method

Zhang, S.; Ducharne, Benjamin; Uchimoto, Tetsuya; Kita, Aoba; Deffo, Yves Armand Tene

doi:10.1016/j.jmmm.2020.167221

Cited by 11 publications

(5 citation statements)

References 21 publications

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“…In parallel to this first experimental setup, a hysteresis cycle characterization setup was exploited to plot the tested specimen hysteresis cycles required for the validation of the method. A detailed description of this setup can be found in [22]. The tested specimens were all coming from the same batch.…”

Section: -A) Magnetic Incremental Permeability Characterization Setupmentioning

confidence: 99%

“…In [22], we proposed a simple modification of the J-A model to describe quasi simultaneously a B(H) hysteresis cycle and the associated | |( ) MIP butterfly loop. In this method, the J-A model is excited with a high amplitude alternative magnetic field H and for every step time both the differential and the incremental magnetic permeability are calculated.…”

Section: -A) Modified Jiles-atherton Model For a Fast Simulation Of The Magnetic Incremental Permeabilitymentioning

confidence: 99%

“…By avoiding the simulation of the minor loops, the new method solves indirectly the accommodation issue and provides faster simulation results. According to numerical tests commented in [22], the quantitative improvement reaches x 10 in term of simulation time which is large enough to envisage setting up a parameter optimization process and find the best combination of parameter for the simulation of…”

Section: -A) Modified Jiles-atherton Model For a Fast Simulation Of The Magnetic Incremental Permeabilitymentioning

confidence: 99%

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Identification of the ferromagnetic hysteresis simulation parameters using classic non-destructive testing equipment

Zhang

Ducharne

Takeda

et al. 2021

Journal of Magnetism and Magnetic Materials

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Electromagnetic non-destructive controls are performed daily by steel manufacturers and steel user companies. Many methods exist, including Eddy Current Testing (ECT), Magnetic Particle Inspection (MPI), Magnetic Incremental Permeability (MIP), Magnetic Barkhausen noise (MBN) … In this domain, progresses are constant, however there are limitations and accurate simulation tools able to improve the methods efficiency are still expected. Most of steels are ferromagnetic and characterized by a strong nonlinear hysteretic magnetic behavior. A precise taken into account of hysteresis is mandatory in the development of useful simulation tools. The hysteresis standard of characterization imposes restrictive conditions (geometrical, electrical …) and most of Non-Destructive Testing (NDT) industrial end-users face difficulties to obtain these inevitable experimental results. In this manuscript, we describe an alternative method to adjust the hysteresis simulation parameters based on experimental results coming from classic NDT industrial equipment. The acquisition of a flat coil impedance in an ECT configuration and under the superimposition of a quasi-static magnetic excitation (MPI equipment) is performed to plot the tested specimen MIP signature. The Dodd & Deeds (D&D) analytical solution for an ECT flat coil is used to return the corresponding permeability. An optimization process based on a modified Jiles-Atherton (J-A) model is run to extract a suitable combination of hysteresis parameters. Finally, the good comparison with an experimental B(H) characterization is worth as a validation of the method.

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Section: -A) Magnetic Incremental Permeability Characterization Setupmentioning

confidence: 99%

Section: -A) Modified Jiles-atherton Model For a Fast Simulation Of The Magnetic Incremental Permeabilitymentioning

confidence: 99%

Section: -A) Modified Jiles-atherton Model For a Fast Simulation Of The Magnetic Incremental Permeabilitymentioning

confidence: 99%

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Identification of the ferromagnetic hysteresis simulation parameters using classic non-destructive testing equipment

Zhang

Ducharne

Takeda

et al. 2021

Journal of Magnetism and Magnetic Materials

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“…They are kept afterwards for the simulation of the MBNenergy(H) cycles. The α, k and c adjusted combination is set through an optimization method based on an error function (for details, see[28][37][49]). Fig.6 -a, b and c depict FeCo RN, FeCo FP10 and FeSi response along rolling direction, respectively.…”

mentioning

confidence: 99%

Multiscale modelling of the magnetic Barkhausen noise energy cycles

Fagan

Ducharne

Daniel

et al. 2021

Journal of Magnetism and Magnetic Materials

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The magnetic Barkhausen noise (MBN) control is popular for materials characterization and as a magnetic Non-Destructive Testing & Evaluation (NDT & E) method. MBN comes from the erratic and unpredictable magnetic domains motion during the magnetization process. Its correlation to the micro-structural properties is evident. MBN is usually studied through time independent indicators, like the MBNenergy, which is obtained by integrating the square of the MBN voltage signal with respect to the time axis. By plotting the MBN energy as a function of the tangent excitation field H, a hysteresis cycle can be observed. After renormalization, the comparison with the classic induction vs excitation B(H) hysteresis loop provides interesting observations. Similar shapes can be observed if the domain wall contribution is preponderant in the magnetization process. On the contrary, strong differences appear if the magnetization rotation mechanism is stronger. There is no available standard for the exploitation of MBN control devices. Usual procedures rely on rejection thresholds based on empirical relations. In this domain, simulation tools able to refine these thresholds and improve the understanding of the physical behavior are highly desired. In this study, a simulation method combining a multiscale model for the anhysteretic behavior and the Jiles-Atherton theory is proposed to simulate precisely the MBNenergy hysteresis cycles. The use of the multiscale model allows separating the contributions of domain wall motion and magnetization rotation mechanisms.The satisfying simulation results validate the approach and constitute a major step toward a comprehensive simulation tool dedicated to MBN.

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“…Here, the MIP curve is the modulus of coil impedance as a function of the applied magnetic field, but the EC-MS signal is the Lissajous trajectory of the coil impedance on a complex plane. The size, length, and direction of the signature depend on the residual stress of the steel [8,9,10,11].…”

mentioning

confidence: 99%

Mechanism study of the residual stress evaluation of low-carbon steels using the eddy current magnetic signature method

Takeda

Uchimoto

Kita

et al. 2021

Journal of Magnetism and Magnetic Materials

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Simulation tool for the Eddy current magnetic signature (EC-MS) non-destructive method

Cited by 11 publications

References 21 publications

Identification of the ferromagnetic hysteresis simulation parameters using classic non-destructive testing equipment

Identification of the ferromagnetic hysteresis simulation parameters using classic non-destructive testing equipment

Multiscale modelling of the magnetic Barkhausen noise energy cycles

Mechanism study of the residual stress evaluation of low-carbon steels using the eddy current magnetic signature method

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