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US 12,697,659 B2Granted
Systems and methods for direct deposition of thixotropic alloys
AssigneeGoodrich Corporation
InventorsSergey Mironets, Thomas J. Martin, Alexander Staroselsky
Life of this patent
Estimating the term…
Abstract
A method may comprise: placing a probe in a molten metal melt comprising a thixotropic metal alloy; injecting a gas into the molten metal melt to form a saturated slurry, the saturated slurry being at a temperature above a liquidus temperature of the thixotropic metal alloy after injecting the gas; removing the probe from the molten metal melt; and depositing the molten metal melt through an extruder of an additive manufacturing system.
Claims6
An additive manufacturing system, comprising:
- an extruder including a shot sleeve defining a cavity, an inlet duct in fluid communication with the cavity, a screw feeder disposed at least partially within the shot sleeve, and a nozzle, the screw feeder configured to rotate causing a molten metal melt to translate towards and out the nozzle;
- a crucible configured to receive the molten metal melt, the crucible configured to be in fluid communication with the inlet duct during deposition;
- a cooling gas;
- and
- a probe configured to actuate into and out of the crucible, wherein the probe comprises a fluid port disposed therethrough and wherein the probe is configured to inject the cooling gas into the molten metal melt in the crucible, responsive to being actuated into the crucible, to remove a controlled amount of heat from the molten metal melt.
2 more elements
Dependencies are inferred from the claim text.