HIGH TEMPERATURE NICKEL-BASE SUPERALLOY FOR USE IN POWDER BASED MANUFACTURING PROCESS

The application relates to the technology of producing three-dimensional articles by means of powder-based additive manufacturing, such as selective laser melting or electron beam melting. Especially, it refers to a Nickel-base superalloy powder on basis of Hastelloy X consisting of the following ch...

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Bibliographische Detailangaben
Hauptverfasser:	KÜNZLER Andreas, MEIDANI Hossein, ETTER Thomas
Format:	Patent
Sprache:	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 ALLOYS CASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The application relates to the technology of producing three-dimensional articles by means of powder-based additive manufacturing, such as selective laser melting or electron beam melting. Especially, it refers to a Nickel-base superalloy powder on basis of Hastelloy X consisting of the following chemical composition: 20.5-23.0 Cr, 17.0-20.0 Fe, 8.0-10.0 Mo, 0.50-2.50 Co, 0.20-1.00 W, 0.04-0.10 C, 0-0.5 Si, 0-0.5 Mn, 0-0.008 B, remainder Ni and unavoidable residual elements and wherein the powder has a powder size distribution between 10 and 100 μm and a spherical morphology and the ratio of the content of alloying elements C/B is at least 5 or more.