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Showing 1 to 13 of 13 for “"green body"”.
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Near-Net Shaping and Additive Manufacturing of Ultra-High Temperature Ceramics via Colloidal Processing
… particle packing, and strength of a ceramic green body. For difficult-to-densify ceramics such as the UHTCs, which find their place in extreme environment applications, precise control of each step of the manufacturing process is key. In this work, a fundamental study on the interaction …
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Design and Testing of a Top Mask Projection Ceramic Stereolithography System for Ceramic Part Manufacturing
… layer is built upon the previous to produce a green body that can be sintered for a fully dense ceramic part.</p> <p>This thesis introduces a new approach to ceramic stereolithography with a top mask projection light source which is much more economical compared to current vector scanning …
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Advancing Elastomers to Additive Manufacturing Through Tailored Photochemistry and Latex Design
… surrounded the particles and yielded a solid "green body" structure. Photorheology elucidated rapid photocuring behavior and tunable green body storage moduli based on scaffold composition. Subsequent water removal and annealing promoted particle coalescence by penetration through the scaffold, …
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Behavioral, temporal, and spatial relationships in free-ranging female Anolis carolinensis (Sauria: Polychridae)
… range volume, perched highest, and maintained a green body color most often. Females tended to perch on smaller diameter limbs and to perch higher than males.
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Characterization of Andrenocortical Tissue Morphology, Histology, and Steroid Synthesis Among Finetooth (<i>Carcharhinus isodon</i>), Blacktip (<i>Carcharhinus limbatus</i>), Atlantic Sharpnose (<i>Rhizoprionodon terraenovae</i>), and Bonnethead (<i>Sphyrna tiburo</i>) Sharks
… interrenal is a single yellow-white to dark green body along the kidney midline. Bonnethead sharks possess one thin strip of white tissue extending from the anterior potion of the kidney ending past the division of the kidney lobes. Histological assessment of cell type and 3bHSD expression …
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Understanding phase transformations during flash sintering
… flash sintering is described. The effects of green body resistance and selected flash parameters on the flash temperature and the resulting phases are shown. By studying reduction reactions as model systems and utilizing in situ Raman to monitor defects and phases, we can gain further …
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Effect of waste plaster of Paris on physical and mechanical properties of ceramic pottery body
… In the second stage, the ceramic pottery body was fabricated using different composition of waste POP, started from 0 wt.% until 12 wt.%. The samples obtained were analysed through viscosity test and its green body was observed. The results showed that the samples with compositions of 0 to …
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Modelling and simulation of drying process for ceramic membrane fabrication
… gradient effects. Therefore, processing steps of green body of ceramic is crucial especially in membrane fabrication that has a multilayer structure to ensure the efficiency of its applications. Thus, every step of ceramic membrane preparation and fabrication needs careful control and monitoring …
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Analysis of sintered WC-TIC-6CO by using powder metallurgy process
… out to optimize the quality and density of the green body. The result shows the best combination parameter for minimizing warpage, shrinkage, and density value were obtained with a result of 0.0124 mm of warpage, shrinkage value improved by 33.34%, while for density, it can be inferred as …
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The synthesis, stabilization and sintering of high performance semicrystalline polymeric powders
… by pressure free sintering of the resultant green body. Sintering occurs due to a reduc1tion of surface free energy, and in this regard small particles (large surface area) have a large driving force for sintering. Pressure free sintering of PEEK par1icles with emphasis on the development of …
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Role of impurities, LiF, and processing on the sintering, microstructure, and optical properties of transparent polycrystalline magnesium aluminate (MgAl2O4) spinel, The
… behavior of cold-pressed powder compacts. Green-body density, stoichiometry, and impurities had the greatest effect on densification, whereas powder neutron irradiation and reducing atmosphere had small, but non-negligible effects. Dilatometry in combination with sintering experiments …
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Fabricating Complex-Shaped Components by Room-Temperature Injection Molding of Aqueous Ceramic Suspension Gels
… PVP-containing alumina CeraSGels exhibited high green body strength and machinability prior to binder removal and sintering, and increasing PVP content was observed to enhance green machinability. Alumina rings with high green densities (60-63% true density (TD)) as found using Archimedes …
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Rheology of Filled and Unfilled Polyurethanes for Reactive Extrusion-Based Applications
… printed product, a major concern is retention of green body strength post deposition. In order to maintain the shape of printed beads, ultraviolet (UV) light can be shined in-situ onto the nozzle of a DIW printhead, which actively cures the urethane acrylate ink through free radical …