GRAIN ORIENTED SILICON STEEL SHEET HAVING SUPERIOR WORKABILITY, HIGH MAGNETIC FLUX DENSITY AND SUPER LOW CORE LOSS AND ITS MANUFACTURE

PURPOSE:To provide a grain oriented silicon steel sheet having no glass films and having superior workability, high magnetic flux density and super low core loss and its manufacture. CONSTITUTION:In a grain oriented silicon steel sheet which contains by weight 2.5-4.5% Si and is magnetic-domain frac...

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Bibliographische Detailangaben
Hauptverfasser:	HARATANI TSUTOMU, TANAKA OSAMU, KUROKI KATSURO, HONMA HODAKA, ISHIBASHI KIZUI
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 provide a grain oriented silicon steel sheet having no glass films and having superior workability, high magnetic flux density and super low core loss and its manufacture. CONSTITUTION:In a grain oriented silicon steel sheet which contains by weight 2.5-4.5% Si and is magnetic-domain fractionated by providing linear or dotted flows on the steel sheet surface before or after the heat flattening by the laser, the serrated roll, the press, the marking, the local etching or the like, the grain oriented silicon steel sheet having superior workability, the high magnetic flux density, and the super-low core loss is manufactured which is characterized in that the forsterite of the steel plate surface is below 0.5g/m and the magnetic flux density B8>=1.88Tesla.