General Electric Company
Layered manufacturing of single crystal alloy components
Last updated:
Abstract:
A method of making a component includes: depositing a metallic powder on a workplane; directing a beam from a directed energy source to fuse the powder in a pattern corresponding to a cross-sectional layer of the component; repeating in a cycle the steps of depositing and fusing to build up the component in a layer-by layer fashion; and during the cycle of depositing and melting, using an external heat control apparatus separate from the directed energy source to maintain a predetermined temperature profile of the component, such that the resulting component has a directionally-solidified or single-crystal microstructure.
Status:
Grant
Type:
Utility
Filling date:
24 Feb 2020
Issue date:
20 Sep 2022