ALLOYS WITH A LOW DENSITY OF PRECIPITATES FOR USE IN APPLICATIONS THAT INCLUDE REMELTING PROCESSES, AND PREPARATION PROCESS THEREOF

A method for producing a metal-based powder that is used in metal additive manufacturing, the method comprising: melting alloy metal precursors at a temperature above a liquidus temperature thereof until all alloy metal precursors are in liquid state, to produce a molten alloy; casting the molten al...

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Bibliographische Detailangaben
Hauptverfasser:	CONLON, Martin John, YIN, Shengze, GALLERNEAULT, Willard Mark Truman, DORCHEH, Kamran Azari
Format:	Patent
Sprache:	eng ; fre ; ger
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 ALLOYS CASTING CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A method for producing a metal-based powder that is used in metal additive manufacturing, the method comprising: melting alloy metal precursors at a temperature above a liquidus temperature thereof until all alloy metal precursors are in liquid state, to produce a molten alloy; casting the molten alloy by transferring the molten alloy into a caster; cooling the molten alloy to a temperature of at least below the solidus temperature, at a cooling rate above about 50° C./s, to produce a cast alloy with a low density of precipitates; remelting the cast alloy with a low density of precipitates to produce a melted alloy; and forming the metal-based powder from the remelted alloy.