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US 12,018,394 B1Granted
Thin-walled high temperature alloy structures via multi-material additive manufacturing
AssigneeHRL Laboratories, LLC
InventorsTobias A. Schaedler, John H. Martin
Life of this patent
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Abstract
A thin-walled metal part, and a method to fabricate such a part out of various alloys. A plurality of layers are formed, each of the layers being formed on a polymer template or on a previously formed layer. A homogenizing heat treatment is used to cause chemical elements in the layers to interdiffuse, to form a single continuous layer with a substantially uniform alloy composition.
Claims16
A thin-walled structure, comprising:
- a single continuous layer including at least 1% by weight of a first metal chemical element and at least 1% by weight of a second metal chemical element different than the first metal chemical element,
- the thin-walled structure having a shape of a rocket nozzle, and
- the thin-walled structure having a thickness less than 500 micrometers.
Dependencies are inferred from the claim text.