ATOMIZER NOZZLE, ATOMIZING DEVICE, METAL POWDER MANUFACTURING METHOD, AND METAL POWDER

ATOMIZER NOZZLE, ATOMIZING DEVICE, METAL POWDER MANUFACTURING METHOD, AND METAL POWDER

An atomizer nozzle (100) includes: a molten metal nozzle (1) extending in a vertical direction and which allows a molten metal (M) to flow downward from a lower end thereof; and a gas nozzle (2) including a chamber (22) having an inner peripheral surface (22S) surrounding an outer periphery of the m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HATANAKA Masaya, KOMATSU Yoshinao
Format: Patent
Sprache:eng ; fre ; ger
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:An atomizer nozzle (100) includes: a molten metal nozzle (1) extending in a vertical direction and which allows a molten metal (M) to flow downward from a lower end thereof; and a gas nozzle (2) including a chamber (22) having an inner peripheral surface (22S) surrounding an outer periphery of the molten metal nozzle (1), a blow portion (23) which introduces a gas to the chamber (22) toward a circumferential direction of the molten metal nozzle (1), and a cover (24) extending from the chamber (22) to a position below the lower end of the molten metal nozzle (1) while surrounding the molten metal nozzle (1), wherein the cover is provided with a tapered inner peripheral surface (25S) connected to the inner peripheral surface (22S) of the chamber (22) and of which diameter is decreased as close to a lower end portion of the tapered inner peripheral surface.