NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR MANUFACTURING SAME

This non-oriented 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 { 100 } orientated grains is indicated by S100, an area of orientated gr...

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Bibliographische Detailangaben
Hauptverfasser: MURAKAWA, Tesshu, KANO, Satoshi
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:This non-oriented 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 { 100 } orientated grains is indicated by S100, an area of orientated grains in which a Taylor factor M becomes more than 2.8 is indicated by Styl, 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 { 100 } orientated grains is indicated by K100, 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 ≤ S100/Stot ≤ 0.80, S100/Stra ≥ 0.5, and K100/Ktyl ≤ 0.990 are satisfied.