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SUPRAMOLECULAR ASSEMBLIES FOR BINDER JETTING FABRICATION OF METAL OBJECTS
SUPRAMOLECULAR ASSEMBLIES FOR BINDER JETTING FABRICATION OF METAL OBJECTS
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机译:用于金属物品的粘结剂点胶制造的超分子组件
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摘要
Devices, systems, and methods are directed to the use of nanoparticles for improving fabrication of three-dimensional objects formed through layer-by-layer delivery of an ink onto a powder of metal particles in a powder bed. More specifically, the ink may include a carrier, supramolecular assemblies of molecules, and nanoparticles of an inorganic material. The supramolecular assemblies may sequester the nanoparticles of the inorganic material from the carrier to facilitate maintaining the nanoparticles in a stable form, providing a shelf-life suitable for transportation and storage of the ink in large-scale commercial operations. The supramolecular assemblies of the molecules may be disrupted during a fabrication process to release the nanoparticles. The nanoparticles may improve strength of the three-dimensional objects being fabricated and, also or instead, may reduce the likelihood of defects associated with subsequent processing of the three-dimensional objects (e.g., slumping and shrinking and/or inadequate densification of the final part).
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