CPC B22F 12/53 (2021.01) [B33Y 30/00 (2014.12); B33Y 99/00 (2014.12)] | 19 Claims |
1. A material deposition head comprising:
a body portion comprising a first end, a second end, and a first exterior surface extending from the first end to the second end; and
a nozzle coupled to the body portion at or near the second end, wherein the nozzle defines a second exterior surface and a material delivery channel, wherein the material delivery channel is fluidically coupled to a fluidized powder source configured to provide a plurality of particles of a material,
wherein at least one of the first exterior surface or the second exterior surface comprises a microtextured surface configured to reduce a wettability of molten particles of the plurality of particles thereon, wherein the microtextured surface comprises a plurality of features, wherein a density of the plurality of features is greater than about 100 features per square millimeter.
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