PROCESS FOR PRODUCING GRAIN-ORIENTED MAGNETIC STEEL SHEET, GRAIN-ORIENTED MAGNETIC STEEL SHEET FOR WOUND CORE, AND WOUND CORE

The present invention relates to a grain oriented electrical steel sheet for a wound core consisting of Si: 2.5 mass% to 4.5 mass%, and a balance of Fe and inevitable impurities, wherein-an average value of a shape ratio represented by "(a length in a rolling direction)/(a length in a width dir...

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Bibliographic Details
Main Authors TANAKA KOKI, MORISHIGE NOBUSATO, KUBO YUJI, MURAKAMI KENICHI, TAKEBAYASHI SEIKI, HONMA HOTAKA, MIZUKAMI KAZUMI
Format Patent
LanguageEnglish
Korean
Published 29.12.2011
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:The present invention relates to a grain oriented electrical steel sheet for a wound core consisting of Si: 2.5 mass% to 4.5 mass%, and a balance of Fe and inevitable impurities, wherein-an average value of a shape ratio represented by "(a length in a rolling direction)/(a length in a width direction)" of a crystal grain is 2 or more,an average value of the lengths in the rolling direction of the crystal grains is 100 mm or more, and a value of a magnetic flux density when a magnetic field of 800 A/m is supplied at a frequency of 50 Hz is 1.94 T or more.
Bibliography:Application Number: KR20117024861