NON-DIRECTIONAL ELECTROMAGNETIC STEEL SHEET AND METHOD FOR MANUFACTURING SAME

I electrical steel sheet has a predetermined chemical composition, when EBSD observation is performed on a surface parallel to a steel sheet surface, in a case where a total area is indicated by Stot, an area of {411 } orientated grains is indicated by S411, an area of orientated grains in which a T...

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Bibliographische Detailangaben
1. Verfasser:	MURAKAWA, Tesshu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	I electrical steel sheet has a predetermined chemical composition, when EBSD observation is performed on a surface parallel to a steel sheet surface, in a case where a total area is indicated by Stot, an area of {411 } orientated grains is indicated by S411, an area of orientated grains in which a Taylor factor M becomes more than 2.8 is indicated by Styi, a total area of orientated grains in which the Taylor factor M becomes 2.8 or less is indicated by Stra, an average KAM value of the {411} orientated grains is indicated by K411, and an average KAM value of the orientated grains in which the Taylor factor M becomes more than 2.8 is indicated by Ktyl, 0.20 ≤ Styl/Stot ≤ 0.85, 0.05 ≤ S411/Stot ≤ 0.80, S411/Stra ≥ 0.50, and K411/Ktyl ≤ 0.990 are satisfied.