METHOD AND APPARATUS FOR PRODUCING FINE SPHERICAL POWDERS FROM COARSE AND ANGULAR POWDER FEED MATERIAL

A high temperature process is provided, which can melt, atomize and spheroidize a coarse angular powder into a fine and spherical one. it uses thermal plasma to melt the particle in a heating chamberand a supersonic nozzle to accelerate the stream and break up the particles into finer ones. 提供了高温方法，...

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Bibliographische Detailangaben
Hauptverfasser:	PROULX FRANCOIS, SHAHVERDI ALI, DORVAL DION CHRISTOPHER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING 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 high temperature process is provided, which can melt, atomize and spheroidize a coarse angular powder into a fine and spherical one. it uses thermal plasma to melt the particle in a heating chamberand a supersonic nozzle to accelerate the stream and break up the particles into finer ones. 提供了高温方法，其可以使粗的有棱角的粉末熔化、雾化和球化成细小且球状的粉末。其使用热等离子体来使颗粒在加热室中熔化以及使用超音速喷嘴来使流加速并使颗粒破裂成更细的颗粒。