MANUFACTURE OF UNIDIRECTIONAL ELECTROMAGNETIC STEEL PLATE HAVING SUPERIOR MAGNETISM

PURPOSE:To stably form with good yield a unidirectional electromagnetic steel plate having low iron loss and consisting of crystal grains having an azimuth represented as (110)[001]by Miller indices by a method wherein a specific amount of P is contained in a silicon steel material containing C: 0.0...

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Bibliographic Details
Main Authors TAKESHITA TAKEAKI, FUJIWARA KOUICHI, SUGA YOUZOU
Format Patent
LanguageEnglish
Published 12.02.1983
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
INDUCTANCES
MAGNETS
METALLURGY
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:PURPOSE:To stably form with good yield a unidirectional electromagnetic steel plate having low iron loss and consisting of crystal grains having an azimuth represented as (110)[001]by Miller indices by a method wherein a specific amount of P is contained in a silicon steel material containing C: 0.020-0.080%, Si: 2.0-4.5%, Mn: 0.04-0.10%, S: 0.015-0.033%. CONSTITUTION:P of 0.013% or less is contained in a silicon steel material including C: 0.020-0.080%, Si: 2.0-4.5%, Mn: 0.04-0.10%, S: 0.015-0.033%, and a unidirectional electromagnetic steel plate having superior magnetism is formed by the secondary recrystallization phenomenon. The lower content of the above P makes better iron loss and a content of 0.013% or less remarkably improves the iron loss.
Bibliography:Application Number: JP19810122729