MAGNETIC MEASURING METHOD AND DEVICE

A magnetic material is magnetized with a direct current to a rotational magnetization region and an alternate current excitation is performed in a direction having a component orthogonal to a direction of the direct current magnetization, and a component of an alternate current magnetic field which...

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Bibliographische Detailangaben
Hauptverfasser:	NAGAMUNE, Akio, TAKAMIYA, Toshito, KATO, Hiroharu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TESTING TRANSFORMERS
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Beschreibung
Zusammenfassung:	A magnetic material is magnetized with a direct current to a rotational magnetization region and an alternate current excitation is performed in a direction having a component orthogonal to a direction of the direct current magnetization, and a component of an alternate current magnetic field which is generated by an interaction with the magnetic material in a direction orthogonal to the direction of the direct current magnetization is measured. Due to such a measuring method, a local magnetic property of the magnetic material can be measured with high precision almost without being influenced by disturbances or the like.