METHOD FOR PRODUCING A STRIP FROM A CoFe ALLOY AND A SEMI-FINISHED PRODUCT CONTAINING THIS STRIP

A semi-finished product comprising at least one metal strip is provided. The metal strip consists essentially of 35 wt %≤Co≤55 wt %, 0 wt %≤V≤3 wt %, 0 wt %≤Ni≤2 wt %, 0 wt %≤Nb≤0.50 wt %, 0 wt %≤Zr+Ta≤1.5 wt %, 0 wt %≤Cr≤3 wt %, 0 wt %≤Si≤3 wt %, 0 wt %≤Al≤1 wt %, 0 wt %≤Mn≤1 wt %, 0 wt %≤B≤0.25 wt...

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Bibliographische Detailangaben
Hauptverfasser:	VOLBERS, Niklas, FOHR, Jan, Frederik
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:	A semi-finished product comprising at least one metal strip is provided. The metal strip consists essentially of 35 wt %≤Co≤55 wt %, 0 wt %≤V≤3 wt %, 0 wt %≤Ni≤2 wt %, 0 wt %≤Nb≤0.50 wt %, 0 wt %≤Zr+Ta≤1.5 wt %, 0 wt %≤Cr≤3 wt %, 0 wt %≤Si≤3 wt %, 0 wt %≤Al≤1 wt %, 0 wt %≤Mn≤1 wt %, 0 wt %≤B≤0.25 wt %, 0 wt %≤C≤0.1 wt %, remainder Fe and up to 1 wt % of impurities. The strip has a thickness d, where 0.05 mm≤d≤0.5 mm, a Vickers hardness greater than 300, an elongation at fracture of less than 5% and, after heat treatment of the strip at a temperature of between 700° C. and 900° C.