NON-ORIENTED ELECTRICAL STEEL SHEET

A non-oriented electrical steel sheet includes a silicon steel sheet and an insulation coating. When t is a thickness of the silicon steel sheet and when PDR is defined as (PDR = (maximum - minimum) / minimum × 100) which indicates a ratio concerned with maximum and minimum of number densities of Al...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUI, SHINICHI, TAKAHASHI, MASARU, YAMAMOTO, MASAHIRO, MURAKAMI, FUMINOBU, ICHIE, TAKERU
Format:	Patent
Sprache:	eng ; pol
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:	A non-oriented electrical steel sheet includes a silicon steel sheet and an insulation coating. When t is a thickness of the silicon steel sheet and when PDR is defined as (PDR = (maximum - minimum) / minimum × 100) which indicates a ratio concerned with maximum and minimum of number densities of AlN precipitates in three areas which are 1/10t area, 1/5t area, and 1/2t area from a surface of the silicon steel sheet along a thickness direction, the PDR is 50% or less.