| 简介 |
A binder solution (36) comprises a fugitive metal precursor (36a), a thermoplastic binder (36b), and a solvent. The fugitive metal precursor (36a) may comprise an alkaline earth metal, a transition metal, a post-transition metal, a metalloid, a rare earth metal, or combinations thereof. The fugitive metal precursor (36a) may comprise a salt such as carboxylate, nitrate, sulfate, carbonate, formate, chloride, halide, derivatives thereof, and combinations thereof. A method (10) of manufacturing a part includes depositing a layer (22) of particulate material (24) on a working surface (32), selectively applying a binder solution (36) into the layer (22) of particulate material (24) in a pattern representative of a layer of the part, repeating the steps of depositing and selectively applying to form a plurality of layers (22) of particulate material (24) with the applied binder solution (36), and curing the applied binder solution (36) in the plurality of layers (22) of particulate material (24) with the applied binder solution (36) to evaporate the solvent and thereby form a green body part (60). |
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