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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Mccord, Jeffrey
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (40/40 displayed)
- 2022Imaging of Love Waves and Their Interaction with Magnetic Domain Walls in Magnetoelectric Magnetic Field Sensors
- 2021Roadmap on Magnetoelectric Materials and Devicescitations
- 2021Sensing of temperature through magnetooptical domain wall susceptibilitycitations
- 2021Investigation of microstructural attributes of steel surfaces through magneto-optical Kerr effectcitations
- 2020The role of uniaxial magnetic anisotropy distribution on domain wall tilting in amorphous glass-coated microwires ; Rôle de la distribution d'anisotropie magnétique uniaxiale sur l'inclinaison des parois dans des microfils amorphes gainés de verrecitations
- 2019Stochasticity of domain wall pinning in curved ferromagnetic nanowires investigated by high-resolution Kerr microscopycitations
- 2018Wide Band Low Noise Love Wave Magnetic Field Sensor Systemcitations
- 2018Interplay between magnetic domain patterning and anisotropic magnetoresistance probed by magneto-opticscitations
- 2018Homogeneous microwave field emitted propagating spin wavescitations
- 2017Component selection in time-resolved magneto-optical wide-field imaging for the investigation of magnetic microstructurescitations
- 2016Magnetic domain wall gratings for magnetization reversal tuning and confined dynamic mode localizationcitations
- 2015Direct observation of closure domain wall mediated spin wavescitations
- 2015Imaging interfaces defined by abruptly varying internal magnetic fields by means of scanned nanoscale spin wave modescitations
- 2014Magnetization dynamics of magnetic domain wall imprinted magnetic filmscitations
- 2014Optimization of magneto-resistive response of ion-irradiated exchange biased films through zigzag arrangement of magnetizationcitations
- 2014Picosecond wide-field magneto-optical imaging of magnetization dynamics of amorphous film elementscitations
- 2013Revisiting magnetic stripe domains - Anisotropy gradient and stripe asymmetrycitations
- 2013Dual wavelength magneto-optical imaging of magnetic thin filmscitations
- 2012Focused ion beam induced structural modifications in thin magnetic filmscitations
- 2012Magnetic domains and twin boundary movement of NiMnGa magnetic shape memory crystalscitations
- 2011Magneto-optical coupling in ferromagnetic thin films investigated by vector-magneto-optical generalized ellipsometrycitations
- 2011Enhanced nucleation of vortices in soft magnetic materials prepared by silica nanosphere lithographycitations
- 2011Pattern-induced magnetic anisotropy in FePt thin films by ion irradiationcitations
- 2010Volume magnetic domain mirroring in magnetic shape memory crystalscitations
- 2010Constraint-dependent twin variant distribution in Ni2MnGa single crystal, polycrystals and thin filmcitations
- 2010Electrocrystallisation of CoFe alloys under the influence of external homogeneous magnetic fields-Properties of deposited thin filmscitations
- 2009Domain wall asymmetries in Ni81Fe19/NiOcitations
- 2009Local setting of magnetic anisotropy in amorphous films by Co ion implantationcitations
- 2009Local stress engineering of magnetic anisotropy in soft magnetic thin filmscitations
- 2009Domain wall asymmetries in Ni81Fe19/NiO: Proof of variable anisotropics in exchange bias systems
- 2008Mechanism of chirality reversal for planar interface domain walls in exchange-coupled hard/soft magnetic bilayerscitations
- 2007Absence of magnetic domain wall motion during magnetic field induced twin boundary motion in bulk magnetic shape memory alloyscitations
- 2007FePt thin film irradiated with high energy ionscitations
- 2007Needle-like domain structure in Co films deposited on Mo (1 1 0)citations
- 2006Thermodynamics and kinetics during pulsed laser annealing and patterning of FePt filmscitations
- 2006Structural and magnetic modifications of Cr-implanted Permalloycitations
- 2005Magnetic anisotropy and domain patterning of amorphous films by He-ion irradiationcitations
- 2004Observation and analysis of mixed domain states in sputtered Co 50Fe50 filmscitations
- 2004Correlation between magnetic properties of CoFe single and CoFe/SiO 2 multi-layer thin films and their microstructure, texture and internal stress statecitations
- 2000New laser illumination method for Kerr microscopy
Places of action
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article
Investigation of microstructural attributes of steel surfaces through magneto-optical Kerr effect
Abstract
Magneto-optical Kerr effect (MOKE) microscopy is a versatile technique to image magnetic domains and evaluate the behavior of magnetic materials. However, MOKE has been rarely applied to the research of low magnetic steels with complex microstructure including micron-sized features. This study reveals the potential of implementing MOKE microscopy for analyzing the microstructure and stress state of martensitic steels with high carbide density (example conducted on AISI M2 steel grade). For the first time, the resulting MOKE domain images are used to analyze the size and morphology of martensite lath structures without chemical etching of the material's surface. Furthermore, MOKE microscopy allowed the confirmation and volumetric fraction estimation of retained austenite, despite the small size and volumetric fraction of under 1%. The validity of the MOKE microscopy analysis is cross-checked with scanning electron microscopy of etched samples and X-ray diffraction. Finally, MOKE microscopy in combination with Vickers indentation is applied to determine the residual stress state of the selected steel, which was varied by processing the steel material with conventional heat treatment scheme and heat treatment including deep cryogenic treatment (DCT). The method is proven effective in indicating the residual stress qualitatively. The measurements proved, that the residual stresses are significantly reduced in DCT steel samples, as theoretically anticipated. The conducted pioneering work provides important research towards the application of MOKE microscopy for the research of steel microstructure, properties and residual stresses as well as delivers a new perspective for determining the effectiveness of DCT on the steel properties.