CPC F28F 9/001 (2013.01) [B22F 10/28 (2021.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F28F 17/005 (2013.01)] | 14 Claims |
1. A vessel comprising:
a first portion that is non-permeable to a fluid, the first potion defining at least one exterior wall defining an exterior container;
a second portion that is non-permeable to the fluid, the second portion defining at least one interior wall defining an interior container encapsulated by the exterior container; and
a third portion that is permeable to the fluid, the third portion being positioned between the at least one exterior wall and the at least one interior wall and having a thickness extending from the exterior wall to the interior wall approximately equal to a laser diameter used to form the third portion, the third portion being integrally formed with the first portion and the second portion and comprising a porous structure with non-uniform connected porosity
wherein the porous structure comprises a plurality of dense regions having a porosity of less than 0.5 percent.
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