ADDITIVE MANUFACTURING METHODS AND APPARATUS FOR FORMING OBJECTS FROM A NICKEL-BASED SUPERALLOY IN A LAYER-BY-LAYER MANNER

ADDITIVE MANUFACTURING METHODS AND APPARATUS FOR FORMING OBJECTS FROM A NICKEL-BASED SUPERALLOY IN A LAYER-BY-LAYER MANNER

An additive manufacturing method wherein an object is formed by selectively solidifying layers of powder with at least one energy beam. The method includes forming the object from a nickel-based superalloy, wherein exposure parameters and an exposure pattern for the at least one energy beam result i...

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Hauptverfasser: BROCHU, Mathieu, WANG, Xianglong, LERMA, Jose, Alberto, Muniz, MATA, Oscar, Sanchez, ATABAY, Sila Ece
Format: Patent
Sprache:eng ; fre ; ger
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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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creator BROCHU, Mathieu
WANG, Xianglong
LERMA, Jose, Alberto, Muniz
MATA, Oscar, Sanchez
ATABAY, Sila Ece
description An additive manufacturing method wherein an object is formed by selectively solidifying layers of powder with at least one energy beam. The method includes forming the object from a nickel-based superalloy, wherein exposure parameters and an exposure pattern for the at least one energy beam result in the object having a directionally solidified microstructure with columnar grains aligned with a build direction, perpendicular to the layers. A composition of the nickel-based alloy by weight % may include: 9.3-9.7W, 9.0-9.5Co, 7.5-8.5Cr, 5.4-5.7Al, 3.1-3.3Ta, 1.4-1.6Hf, 0.6-0.9Ti, Mo 0.4-0.6, 007-0.015Zr, 0.01-0.02B with a carbon concentration of around 0.07-0.09 wt % and a balance of Ni.
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subjects 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
title ADDITIVE MANUFACTURING METHODS AND APPARATUS FOR FORMING OBJECTS FROM A NICKEL-BASED SUPERALLOY IN A LAYER-BY-LAYER MANNER
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