JPH0122325B

PURPOSE:To obtain a magnet material having a crystal texture in which the magnetizable axis of secondarily recrystallized grains is aligned in the rolling direction by a method in which small amounts of Al and N are added to an Fe-Cr-Co alloy, and the alloy is cold-rolled and annealed at a high temp...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAMURA MASAYUKI, YAMAGISHI TOMOO, SADA GAKUO
Format:	Patent
Sprache:	eng
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:	PURPOSE:To obtain a magnet material having a crystal texture in which the magnetizable axis of secondarily recrystallized grains is aligned in the rolling direction by a method in which small amounts of Al and N are added to an Fe-Cr-Co alloy, and the alloy is cold-rolled and annealed at a high temperature. CONSTITUTION:A molten alloy composed of Fe as the main component, 20- 31wt% Cr, and 6-24wt% Co is mixed with 0.05-20wt% Al and 0.003-0.2wt% N and then cast. The cast ingot is then cold-rolled into a given plate form. The alloy plate thus obtained is annealed at a high temperature above 1,000 deg.C to form secondarily recrystallized grains having (110)[001] direction in the rolling direction. In this method, the addition of N is performed during the preparation of molten alloy or the melting of the alloy prior to the annealing process. Thus, an anisotropic magnet material having a high magnetic characteristic can be obtained.