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US 2016/0107261 A1Published application
Method and device for manufacturing titanium objects
AssigneeNorsk Titanium AS
InventorSigrid GULDBERG
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Abstract
A method and reactor of manufacturing an object by solid freeform fabrication, especially an object made of titanium or titanium alloys. An objective is to provide a method for rapid layered manufacture of objects in titanium or titanium alloys. A further objective is to provide a deposition chamber which allows prosecution of the method according to the invention.
Claims10
A method of production of an object in a weldable material by solid freeform fabrication, the method comprising:
- loading a support substrate into a closed reactor vessel;
- substituting the atmosphere inside the closed reactor vessel with an inert atmosphere substantially without creating backflow or vortexes, wherein the inert atmosphere has a pressure of about 105 Pa and contains maximum 50 ppm oxygen;
- welding a series of quasi one-dimensional pieces of a weldable material onto the supporting substrate using a high energy plasma transferred arc.
Dependencies are inferred from the claim text.