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US 11,518,069 B2Granted
Method of fabricating a casting
AssigneeThe University of Sydney
InventorsAnthony Steven Weiss, Richard Wang
Life of this patent
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Abstract
A method of fabricating a casting, the method including applying a substrate to a sacrificial mold, the sacrificial mold including a shaped non-planar receiving surface to receive the substrate and provide a casting of the substrate having a shaped structure corresponding to the receiving surface; and subjecting the sacrificial mold and casting to freeze drying conditions and sublimating the sacrificial mold from the casting to form a cast article including the shaped non-planar structure.
Claims11
A method of fabricating a cast biomaterial with internal hierarchical structure, the method comprising:
- coating a biomaterial onto at least a portion of an external surface of a sacrificial mold having a hierarchical structure, wherein the sacrificial mold is a sacrificial ice mold, and forming a casting of the biomaterial on the sacrificial ice mold, the casting having an internal hierarchical structure corresponding to the external surface of the sacrificial ice mold;
- and
- subjecting the sacrificial ice mold and the casting to a temperature and pressure to lyophilise the sacrificial ice mold from the casting to form the cast biomaterial with internal hierarchical structure.
Dependencies are inferred from the claim text.