Silicon steel sheets having low iron loss and method of producing the same

A silicon-containing steel sheet having a low iron loss has such a crystal structure that crystal grains having an inclination angle of {110} face of not more than 10 DEG with respect to the sheet surface are included in an amount of not less than 80 vol% and exhibit a graining surface pattern in wh...

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Bibliographische Detailangaben
Hauptverfasser:	KOBAYASHI, YASUHIRO, NISHIIKE, UJIHIRO, SUJITA, SHIGEKO, KAMI, TIKARA, ISHITORI, HIROTAKE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY 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
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Beschreibung
Zusammenfassung:	A silicon-containing steel sheet having a low iron loss has such a crystal structure that crystal grains having an inclination angle of {110} face of not more than 10 DEG with respect to the sheet surface are included in an amount of not less than 80 vol% and exhibit a graining surface pattern in which boundaries of these crystal grains form stepwise difference or groove of not less than 0.4 mu m as a maximum height. This sheet is produced by subjecting a grain oriented silicon steel sheet after final annealing to a magnetically smoothening treatment by electrolysis in an aqueous solution containing at least one of water soluble halides.