VERFAHREN ZUR HERSTELLUNG VON NADELFOERMIGEN, IM WESENTLICHEN AUS EISEN BESTEHENDEN, FERROMAGNETISCHEN METALLTEILCHEN

A process for the preparation of acicular ferromagnetic metal particles, consisting essentially of iron, by reducing acicular iron oxides and/or iron oxide hydroxides, which are either pure or are modified with conventional foreign metal ions, by means of a gaseous reducing agent in a fluidized bed...

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Bibliographische Detailangaben
Hauptverfasser:	OHLINGER,MANFRED,.DR, LOESER,WERNER,.DR, AUTZEN,HORST,.DR, JOERG,.SIEGLE,HANS, HEINER,.REICH,HANS, STECK,WERNER,.DR, HETZEL,ECKHARD
Format:	Patent
Sprache:	ger
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ELECTRICITY FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING INDUCTANCES KILNS LIGHTING MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL ENGINEERING OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POWDER METALLURGY RETORTS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES THEIR RELEVANT APPARATUS TRANSFORMERS TRANSPORTING WEAPONS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A process for the preparation of acicular ferromagnetic metal particles, consisting essentially of iron, by reducing acicular iron oxides and/or iron oxide hydroxides, which are either pure or are modified with conventional foreign metal ions, by means of a gaseous reducing agent in a fluidized bed furnace in which a stirrer is provided immediately above the fluidizing grid.