SLURRY FEEDSTOCK FOR EXTRUSION-BASED 3D PRINTING OF FUNCTIONALLY GRADED ARTICLES AND CASTING METAL/CERAMIC ARTICLE UNDER LOW PRESSURE AT ROOM TEMPERATURE, METHODS, AND SYSTEM THEREFOR
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United States of America Patent
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Jun 13, 2024
app pub date -
Apr 26, 2022
filing date -
Apr 26, 2021
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Abstract
The present invention discloses a slurry feedstock for extrusion-based three-dimensional, 3D, printing of a functionally graded article, and/or for casting an article under a low pressure at a room temperature, a method of preparing the same, a method of extrusion-based 3D printing and/or casting, and a system therefor. The slurry feedstock comprises a build material comprising a metal, a ceramic or any combinations thereof, an organic polymer binder, an additive and a volatile organic solvent. The build material mixed with the additive and the organic polymer binder dissolved with the volatile organic solvent form a first pre-mix and a second pre-mix, respectively, that are mixed to form a substantially homogeneous and flowable slurry mixture that is used for producing articles.
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