Low loss electrical steel strip and method for producing same

A cold-rolled steel strip having a combined silicon and aluminum content no greater than about 1.5 wt. % is subjected to processing including a continuous decarburization anneal after temper rolling. The strip is stamped into motor core laminations and stress relief annealed. The resulting laminatio...

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Bibliographische Detailangaben
Hauptverfasser:	LYUDKOVSKY, GRIGORY, RASTOGI, PRABHAT K
Format:	Patent
Sprache:	eng
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 cold-rolled steel strip having a combined silicon and aluminum content no greater than about 1.5 wt. % is subjected to processing including a continuous decarburization anneal after temper rolling. The strip is stamped into motor core laminations and stress relief annealed. The resulting lamination has magnetic properties comparable to a lamination having a much higher silicon and silicon plus aluminum content.