The effect of mechanical stress on a Barkhausen noise signal integrated across a cycle of ramped magnetic field

1996 ◽  
Vol 79 (2) ◽  
pp. 963 ◽  
Author(s):  
M. J. Sablik ◽  
B. Augustyniak
Keyword(s):  
Magnetic Field ◽  
Mechanical Stress ◽  
Noise Signal ◽  
Barkhausen Noise

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

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2904
Author(s):  
Maciej Roskosz ◽  
Krzysztof Fryczowski ◽  
Lechosław Tuz ◽  
Jianbo Wu ◽  
Krzysztof Schabowicz ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Plastic Deformation ◽  
Magnetic Phase ◽  
Noise Signal ◽  
Mean Value ◽  
Electromagnetic Properties ◽  
Barkhausen Noise ◽  
Residual Magnetic Field ◽  
In Series ◽  
The Impact

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.

Magnetic field and mechanical stress tunable microwave properties of composites containing Fe-based microwires

2014 ◽  
Vol 104 (12) ◽  
pp. 121912 ◽  
Author(s):  
Y. Luo ◽  
H. X. Peng ◽  
F. X. Qin ◽  
B. J. P. Adohi ◽  
C. Brosseau
Keyword(s):  
Magnetic Field ◽  
Mechanical Stress ◽  
Microwave Properties ◽  
Tunable Microwave ◽  
Properties Of Composites

scholarly journals Magneto- and Tensoresistance of the p Ge Compensated Crystals in the Range of Weak, Intermediate and Classically Strong Magnetic Fields

2016 ◽  
Vol 17 (1) ◽  
pp. 43-47 ◽  
Author(s):  
G.P. Gaidar
Keyword(s):  
Magnetic Field ◽  
Magnetic Fields ◽  
Mechanical Stress ◽  
Elastic Deformation ◽  
Crystallographic Orientation ◽  
Longitudinal Axis ◽  
Mechanical Stresses ◽  
Strong Magnetic Fields ◽  
Compensation Factor

On the crystalsof compensatedp‑Ge (with the compensation factor of k = NSb/NGa = 0.5) the transverse (Н ^ (J // X)) magnetoresistance (within the magnetic fields of 0 < Н £ 22.3 kOe) at fixed values of the mechanical stresses Хі = 0; 0.2; 0.4; 0.6; 0.9; 1.1; 1.5 GPa were measured at 77 K. These mechanical stresses X created the elastic deformation along the samples, the crystallographic orientation of which coincided with the direction of [100]. Also at fixed magnetic field intensities Ні = 2; 4; 8; 10; 15; 20; 22.3 kOe the dependencies of resistivity  on the mechanical stress X, which coincides with the longitudinal axis of the crystal (X // J // [100]) and changes in the range of 0 £ Х £ 1.5 GPa, were measured. Last dependences characterized by the presence of a minimum in the range of X ~ 0.5 ¸ 0.6 GPa at the minimal magnetic field intensities Н = 2 kOe, which was shifted to the values of X ~ 0.2 ¸ 0.3 GPa with increasing Н up to 22.3 kOe.

Correlation of magnetic field and stress-induced magnetic domain reorientation with Barkhausen Noise

2021 ◽  
Vol 523 ◽  
pp. 167588
Author(s):  
Fasheng Qiu ◽  
Matic Jovičević-Klug ◽  
Guiyun Tian ◽  
Guanhua Wu ◽  
Jeffrey McCord
Keyword(s):  
Magnetic Field ◽  
Magnetic Domain ◽  
Barkhausen Noise ◽  
Domain Reorientation

scholarly journals Characterisation of In-Depth Stress State by Magnetic Barkhausen Noise on Machined Steel Acquiring Different Frequency Bands

2014 ◽  
Vol 996 ◽  
pp. 373-379 ◽  
Author(s):  
Aitor Lasaosa ◽  
Kizkitza Gurruchaga ◽  
Virginia García Navas ◽  
Ane Martínez-de-Guereñu
Keyword(s):  
Magnetic Field ◽  
Residual Stress ◽  
Stress State ◽  
Barkhausen Noise ◽  
Magnetic Barkhausen Noise ◽  
Frequency Bands ◽  
Residual Stress State ◽  
The Magnetic Field ◽  
Xrd Method

The use of magnetic Barkhausen noise (MBN) signal to non-destructively characterize the in-depth residual stress state of machined steel was investigated. The effect of the frequency of the magnetic field applied and of analysing the resulting MBN signal in different frequency bands for an in-depth residual stress characterisation is discussed. The effect of the residual stress on each of the parameters derived from the MBN signal is analysed comparing with the result of the XRD method.

scholarly journals Modelling of Material Properties Using Frequency Domain Information from Barkhausen Noise Signal

2015 ◽  
Vol 48 (17) ◽  
pp. 201-206
Author(s):  
Riku-Pekka Nikula ◽  
Aki Sorsa ◽  
Suvi Santa-aho ◽  
Minnamari Vippola ◽  
Kauko Leiviskä
Keyword(s):  
Frequency Domain ◽  
Material Properties ◽  
Noise Signal ◽  
Barkhausen Noise ◽  
Domain Information
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