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Showing 1 to 20 of 20 for “"Binder Jetting"”.
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Additive Manufacturing of Copper via Binder Jetting of Copper Nanoparticle Inks
… process and material system based on binder jetting Additive Manufacturing to process pure copper. In order to reduce the sintered part porosity and shape distortion during sintering, the powder bed voids were filled with smaller particles to improve the powder packing density. Through …
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Binder-Powder Interaction: Investigating the Process-Property Relations in Metal Binder Jetting
Binder jetting (BJT) is a powder bed based additive manufacturing (AM) process where the interaction of inkjetted droplets of a binder and particles in the powder bed create 3D geometries in a layerwise fashion. The fabricated green parts are usually thermally post-processed for densification and …
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Effects of Hot Isostatic Pressing on Copper Parts Additively Manufactured via Binder Jetting
… high-energy lasers or electron beams. This makes Binder Jetting a better alternative as it separates part creation (binding together of powders) from energy supply (post-process sintering). However, it is challenging to fabricate parts of high density using this method due to low packing density …
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Testbeds for Advancement of Powder Bed Additive Manufacturing with Application to Reactive Binder Jetting of Ceramics
Binder jet additive manufacturing (BJAM) offers design flexibility and compatibility with a variety of materials due to material processing in the solid state. The formation of the powder bed is a critical step to ensuring quality parts are produced via binder jetting, but low powder bed densities …
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Structure-property-processing relationships between polymeric solutions and additive manufacturing for biomedical applications
… of AM processes, namely vat photopolymerization, binder jetting, and powder bed fusion. Binder jetting, vat photopolymerization, and powder bed fusion require different viscosity and powder requirements depending on the printer capabilities, and if the material is neat or in solution. Developing …
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Improving the Strength of Binder Jetted Pharmaceutical Tablets Through Tailored Polymeric Binders and Powders
… specific needs of each individual patient. Binder jetting, an easily scalable AM technique that is capable of processing the powdered raw material used by tablet manufacturers, is an attractive means for producing individualized pharmaceutical tablets. However, due to the low density of the …
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Experimental Evaluation of an Additively Manufactured Straight Mini-Channel Heat Sink for Electronics Cooling
… new additive manufacturing technique called binder jetting has the potential to overcome some of those restrictions. In this study, a straight minichannel heat sink is manufactured from stainless steel using binder jetting, and it is experimentally evaluated. The hydraulic performance of the …
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A Process for Manufacturing Metal-Ceramic Cellular Materials with Designed Mesostructure
… from two different commercially available Binder Jetting media and traditional 'no-bake' silica sand. It was determined that they yielded statistically equivalent results in four of the seven tests performed: dendrite arm spacing, porosity, surface roughness, and tensile strength. They …
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Development of P-3DP (Powder-based 3D Printing) technologies for the production of cement-based materials
… optimally investigate the processes involved in binder jetting 3D printing of cementitious materials by systematically studying the effects some key processing variables have on structural and dimensional performance variation of the printed components. Binder jetting has the potential for …
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Heterogeneous Sensor Data based Online Quality Assurance for Advanced Manufacturing using Spatiotemporal Modeling
… namely, fused filament fabrication (FFF), binder jetting, chemical mechanical planarization (CMP), and the slicing process in wafer production, are investigated in this dissertation for applications of online quality assurance, with utilization of various sensors, such as thermocouples, …
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Design and Fabrication of an Oscillating Tool for Powder Spreading in Metal Additive Manufacturing
… processes, such as laser powder bed fusion and binder jetting, are intended to produce thin, dense, and uniform powder layers in order for finished parts to have satisfactory material and mechanical properties. The spreading of fine powders is particularly challenging due to their cohesive …
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Design, Fabrication, and Experimental Investigation of an Additively Manufactured Flat Plate Heat Pipe
… an additive manufacturing technique called Binder Jetting is used to fabricate a fully operational compact (78 mm x 48 mm x 8 mm) flat plate heat pipe. Rectangular grooves with converging cross section along the length act as the wicking structure. A converging cross section was designed to …
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Data-driven X-ray Tomographic Imaging and Applications to 4D Material Characterization
… applications for the cellular materials and binder jetting additive manufacturing. These proposed algorithms improve data acquisition speeds to record internal dynamic structure changes. A quantitative comprehensive framework is proposed to study the dynamic internal behaviors of cellular …
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Dimensional Control in Ceramics Printed by Projection Microstereolithography
… to other additive manufacturing methods such as binder jetting. In order to better control the projection microstereolithography process to allow for the production of dimensionally accurate parts, the curing of photosensitive resins with ceramic particles was studied. This study had two main …
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Design, Fabrication and Testing of Fiber-Reinforced Cellular Structures with Tensegrity Behavior using 3D Printed Sand Molds
… behavior in cellular structures. By combining Binder Jetting and metal casting a controlled reliable process is shown to produce aluminum octet-cellular structures with embedded fibers. 3D-printed sand molds embedded with long continuous fibers were used for metal casting. The fabricated …
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3D printing of bone scaffolds using powders derived from biogenic sources
… used to fabricate porous bioceramic scaffolds by binder jetting 3D printing. Due to serious technical issues related to the printing of a nanosized powder, 10 wt% of bio-derived powder was mixed with a glass-ceramic powder with bigger particle size. Moreover, the organic part of the cuttlebone had …
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Modeling the Thermal and Electrical Properties of Different Density Sintered Binder Jetted Copper for Verification and Revision of The Wiedemann-Franz Law
… technology within Additive Manufacturing called Binder Jet Printing which can print high purity copper without heat stress within the material. Due to the Binder Jet Printings ability to print high resolution prints without any print through, this makes future use of this technology a necessity …
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Binder Infill Pattern Design Strategies for Increased Mechanical Properties in Binder Jet Additive Manufacturing Parts
… part shape and providing green part strength in binder jet (BJT) additive manufacturing (AM). Traditionally, binder is homogeneously deposited throughout the entire part cross-section during printing in order to give sufficient green part strength for post-processing and to preserve part …
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Analysis of sinter-based additive manufacturing techniques for the sustainable production of objects for the fashion industry
L'abstract è presente nell'allegato / the abstract is in the attachment