On the mechanism of nondestructive evaluation of cementite content in steels using a combination of magnetic Barkhausen noise and magnetic force microscopy techniques

The influence of carbon content in the form of globular cementite precipitates in unalloyed steels was macroscopically characterized by means of magnetic hysteresis loop and Barkhausen noise techniques. The choice of the frequency of the applied field has a strong influence on the Barkhausen noise p...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2014-03, Vol.354, p.248-256
Hauptverfasser:	Batista, L., Rabe, U., Altpeter, I., Hirsekorn, S., Dobmann, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplitudes Analysing. Testing. Standards Applied sciences Barkhausen noise Cementite Cross-disciplinary physics: materials science rheology Electron backscatter diffraction (EBSD) Exact sciences and technology Ferrite Magnetic domains Magnetic fields Magnetic force microscopy (MFM) Magnetization Materials science Measurement of properties and materials state Metals. Metallurgy Microscopy Noise Non-destructive testing Nondestructive testing Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Precipitation Steel Structural steels
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