GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MAGNETIC DOMAIN REFINEMENT METHOD THEREOF

A grain-orientation electrical steel sheet according to an exemplary embodiment of the present invention includes a linear groove formed in a direction intersecting with the rolling direction, the groove includes the gradient section and the uniform section on a cross section including the transvers...

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Bibliographische Detailangaben
Hauptverfasser:	PARK, Se-Min, HONG, Seong-Cheol, LEE, Won-Gul, PARK, Hyun-Chul, KIM, Chang-Ho, MIN, Ki-Young, KANG, Jung-Moon
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRICITY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES MACHINE TOOLS MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SOLDERING OR UNSOLDERING TRANSFORMERS TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A grain-orientation electrical steel sheet according to an exemplary embodiment of the present invention includes a linear groove formed in a direction intersecting with the rolling direction, the groove includes the gradient section and the uniform section on a cross section including the transverse direction of the groove and the rolling surface normal direction of the steel sheet, and a length of the gradient section (GS) and the length of the uniform section (US) satisfy Equation 1 below. 0.1≤GSL/USL≤0.5In Equation 1, [GSL] represents the length (mm) of the gradient section and [USL] represents the length (mm) of the uniform section.