Method of fabricating an object

A method of fabricating an object is disclosed. A first layer of powder is deposited onto a substrate in a configuration defining a first cross-section of the object, and is consolidated by laser irradiation. To fabricate the object, further layperson powder are then deposited onto the sintered firs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WESCOTT, ANDREW DAVID, SIDHU, JAGIT, MORELAND, BENJAMIN RICHARD
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASTING CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SOLDERING OR UNSOLDERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method of fabricating an object is disclosed. A first layer of powder is deposited onto a substrate in a configuration defining a first cross-section of the object, and is consolidated by laser irradiation. To fabricate the object, further layperson powder are then deposited onto the sintered first layer of powder to define further cross-sections of the object, and the further layers consolidated. A heat source is applied to the substrate in order to mitigate distortion of the substrate during fabrication of the object.