MANUFACTURING METHOD OF ALLOY POWDER

A manufacturing method of alloy powder includes shaping a flowing fluid made of coolant liquid into a liquid film which has a predetermined thickness between 0.1 mm and 15 mm by continuously supplying the coolant liquid from a nozzle onto an inner wall of a drum; applying a predetermined acceleratio...

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Bibliographische Detailangaben
Hauptverfasser:	IMANO, Yosuke, KUNO, Masato, URATA, Akiri
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:	A manufacturing method of alloy powder includes shaping a flowing fluid made of coolant liquid into a liquid film which has a predetermined thickness between 0.1 mm and 15 mm by continuously supplying the coolant liquid from a nozzle onto an inner wall of a drum; applying a predetermined acceleration to the liquid film along a thickness direction of the liquid film, wherein the predetermined acceleration has a value between 2.0×104 G and 1.0×107 G; supplying the liquid film with molten alloy which is not divided into a size of the predetermined thickness or less; and dividing the molten alloy into the size of the predetermined thickness or less by the flowing fluid to make alloy particles, and keeping the alloy particles in the liquid film by the predetermined acceleration so that the alloy particles are continuously in contact with the flowing fluid so as to be cooled.