Assessment of the Properties of AISI 410 Martensitic Stainless Steel by an Eddy Current Method

Zhang, Huayu; Wei, Zhiheng; Xie, Fang; Sun, Baohai

doi:10.3390/ma12081290

Cited by 11 publications

(2 citation statements)

References 23 publications

(25 reference statements)

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“…Research is now being conducted in many scientific centres on methods that will enable the determination of the effect of cold plastic strain [ 1 , 2 , 3 , 4 ], mechanical fatigue [ 5 , 6 , 7 ], heat treatment [ 8 ], and creep [ 9 ] on the state and electromagnetic properties of austenitic steels. The applied diagnostic signals are the quantities describing the magnetic hysteresis loop, the eddy currents, the Barkhausen noise parameters, and the changes in the anisotropy of electromagnetic properties.…”

Section: Introductionmentioning

confidence: 99%

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Analysis of the Possibility of Plastic Deformation Characterisation in X2CrNi18-9 Steel Using Measurements of Electromagnetic Parameters

et al. 2021

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An analysis was conducted on the possibility of making an assessment of the degree of plastic deformation ε in X2CrNi18-9 steel by measuring three electromagnetic diagnostic signals: the Barkhausen noise features, the impedance components in in-series LCR circuits, and the residual magnetic field components. The impact of ε on a series of different extracted features of diagnostic signals was investigated. The occurrence of two regions of sensitivity was found for all the features of the analysed signals. The two regions were separated by the following critical deformation value: ε ~ 10% for the components of the residual magnetic field and ε ~ 15% for the normalised components of impedance. As for the Barkhausen noise signal, the values were as follows: ε ~ 20% for the mean value, ε ~ 20% for the peak value of the signal envelope, and ε ~ 5% for the total number of the signal events. Metallographic tests were performed, which revealed essential changes in the microstructure of the tested material for the established critical values. The martensite transformation occurring during the plastic deformation process of X2CrNi18-9 austenitic steel process generated a magnetic phase. This magnetic phase was strong enough to relate the strain state to the values of diagnostic signals. The changes in the material electromagnetic properties due to martensitic transformation (γ → α’) began much earlier than indicated by the metallographic testing results.

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Section: Introductionmentioning

confidence: 99%

“…In [ 8 ], the authors investigated the relationship between the eddy current output signal and the surface hardness of a martensitic AISI 410 stainless steel sample in terms of impedance and inductance. They also examined the effects of different quenching temperatures on the steel surface hardness.…”

Section: Introductionmentioning

confidence: 99%