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US 10,576,541 B2Granted
Structured powder particles for feedstock improvement for laser based additive manufacturing
AssigneeUnited Technologies Corporation
InventorsJames T Beals, Ying She, Vijay Jagdale, John A Sharon
Life of this patent
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Abstract
A process comprising providing a metallic first powder having a plurality of first particles. The process includes adding a second material to the first powder, the second material having a plurality of second particles. The process includes combining the first powder with the second material to form a modified powder including modified powder particles having an interior portion containing an interior composition, and an outer surface portion with an outer composition different from the interior composition.
Claims3
A process comprising:
- providing a metallic first powder having a plurality of first particles;
- adding a second material to the first powder, the second material having a plurality of second particles;
- coating the first powder with the second material to form a modified powder including modified powder particles having an interior portion containing an interior composition, and an outer surface portion with an outer composition different from the interior composition;
- wherein said outer surface portion comprises a continuous coating;
- melting said modified powder during an additive build, dissolving said outer composition into a melt pool;
- and
- mixing said outer composition into said interior composition.
4 more elements
Dependencies are inferred from the claim text.