PRODUCTION OF METALLIC POWDER

PRODUCTION OF METALLIC POWDER

PURPOSE:To efficiently produce fine metallic powder having a low oxygen content by melting a metal having ductility or malleability at room temp., cooling drops of the molten metal with a gas or liq. at a specified solidification rate and subjecting the resulting powder to oxidation, mechanical fine...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HIDAKA KENSUKE, OKUMURA KATSU
Format: Patent
Sprache:eng
Schlagworte:
CASTING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:PURPOSE:To efficiently produce fine metallic powder having a low oxygen content by melting a metal having ductility or malleability at room temp., cooling drops of the molten metal with a gas or liq. at a specified solidification rate and subjecting the resulting powder to oxidation, mechanical fine crushing and heat treatment in a reducing atmosphere. CONSTITUTION:A metal having ductility or malleability at room temp., e.g., an alloy consisting of 13wt% Cr, 1wt% Si and the balance Fe is melted to make drops. Drops of the molten metal is cooled with a gas or liq. at