PRODUCTION OF GRAIN-ORIENTED SILICON STEEL SHEET HAVING HIGH MAGNETIC FLUX DENSITY

PURPOSE:To produce a grain-oriented silicon steel sheet with high magnetic flux density by adding specific amounts of Nb to a molten steel having a specific composition consisting of C, Si, Mn, S, Al, N, and Fe and subjecting the above steel to rapid solidification, cold rolling, decarburizing annea...

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Bibliographische Detailangaben
Hauptverfasser:	IWANAGA ISAO, IWAYAMA KENZO
Format:	Patent
Sprache:	eng
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:	PURPOSE:To produce a grain-oriented silicon steel sheet with high magnetic flux density by adding specific amounts of Nb to a molten steel having a specific composition consisting of C, Si, Mn, S, Al, N, and Fe and subjecting the above steel to rapid solidification, cold rolling, decarburizing annealing, and finish annealing. CONSTITUTION:A molten steel which has a composition consisting of, by weight, 0.03-0.10% C, 2.5-4.5% Si, 0.02-0.15% Mn, 0.01-0.05% S, 0.01-0.04% acid-soluble Al, 0.003-0.015% N, further 0.02-0.2% Nb, and the balance Fe with inevitable impurities and further containing, if necessary,