Articles tagged with 3d Printing
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Researchers at Saarland University have developed a non-contact method to transform 3D-printed metal parts into precision-finished components with complex geometries and tight tolerances. The technique combines metal 3D printing and electrochemical machining to produce high-precision functional surfaces.
High-entropy alloys (HEAs) exhibit remarkable mechanical properties at high temperatures and exceptional strength, ductility, and fracture toughness at cryogenic temperatures. Researchers reviewed the recent achievements in 3D printing of HEAs, validating laser-based techniques for producing high-quality products.
A team of Louisiana engineers and scientists, with federal funding from the National Science Foundation, are developing new technologies and materials to enhance structural safety and integrity in 3-D printing. They will use machine learning to efficiently discover and test optimal material compositions and processing methods.
Osaka University researchers have developed a new method to create nanocellulose films with multiple axes of alignment using liquid-phase 3D-patterning. This technology has the potential to lead to affordable and energy-efficient optical materials, including smartphone displays.
Researchers from the Max Planck Institute of Animal Behavior and the University of Konstanz created artificial shelters that vary in precise ways, allowing them to reveal the underlying preferences of animals. The findings suggest that animals prefer certain traits over others when choosing a home, such as intactness over shell length.
Researchers developed an expandable resin that can be used to print large objects with an inexpensive, commercially available 3D printer. The material expands upon heating, creating a porous, polystyrene foam-like material up to 40 times larger in volume than the original printed object.
Texas A&M researchers have developed a way to strengthen 3D printed parts by welding adjacent layers together using plasma science and carbon nanotube technology. The new technology increases the reliability of final parts, making them comparable to injection-molded parts.
Researchers discovered that controlling laser power can mitigate spatter issues in L-PBF printing, reducing the formation of defects and deformations. This breakthrough could lead to more reliable and high-quality prints, revolutionizing manufacturing in advanced fields.
Researchers have developed a new technique that uses 3D-printed aspherical microlenses to overcome the limitations of traditional microscope objectives. This allows for ultra-long-working-distance spectroscopy, enabling researchers to study single nanometre-sized light emitters without the need for bulky microscopes.
Anesthesiologists in Israel used 3D printing and virtual reality to create a personalized airway plan for a 7-year-old girl undergoing lung surgery. The plan reduced trial and error during the operation, allowing for a successful outcome.
The OpenFlexure Microscope is a fully automated, laboratory-grade instrument that can be 3D printed for as little as $18. It features motorised sample positioning and focus control, producing high-quality images.
Researchers at Purdue University are working on a method to fabricate wind turbine substructures and anchors using 3D-printed concrete, which could reduce material costs and increase design flexibility. The team is collaborating with RCAM Technologies to develop concrete additive manufacturing for offshore wind energy technology.
Rutgers engineers have created a highly effective way to paint complex 3D-printed objects using an efficient painting method that reaches all nooks and crannies. The technique, known as electrospray deposition, has been used mainly for analytical chemistry but has also been applied in lab-scale demonstrations of coatings.
Scientists at the University of Sussex suggest that free open source hardware (FOSH) could provide a viable solution to provide healthcare services with needed tools and equipment. FOSH designs are already being used to support the NHS, but verification and certification processes can be lengthy.
Researchers from Texas A&M University and the Air Force Research Laboratory have developed a framework to print martensitic steels with minimal loss of strength and durability. The new guidelines enable the creation of complex, defect-free objects of nearly any shape using 3D printing technology.
Researchers from Politecnico di Milano have successfully used laser 3D printing to create components from lunar regolith, a potential game-changer for future space missions. The study demonstrates the feasibility of using local resources in space, enabling In-Situ-Resource-Utilisation (ISRU) and reducing reliance on Earth-based supplies.
Researchers have developed 3D-printed coral-inspired structures that can grow dense populations of microscopic algae, opening up new applications for coral conservation and bioenergy. The innovative technology mimics the symbiotic relationship between corals and algae, with microalgae producing sugars to the coral through photosynthesis.
Researchers have successfully 3D printed coral-inspired structures that can grow dense populations of microscopic algae, up to 100 times more densely than natural corals. This breakthrough could lead to the development of efficient bioreactors for producing algae-based biofuels and help restore coral reefs.
UC San Diego researchers have created soft, flexible robots using a new method that doesn't require special equipment or long manufacturing times. The 'flexoskeletons' are made from 3D printing and can be assembled quickly and easily, making them potentially suitable for large-scale deployment.
Researchers have developed an innovative in vivo priming strategy to train human stem cells for improved cardiac regeneration therapy. The technique, using a 3D-printed patch, enhances the survival rate and therapeutic potential of the stem cells after transplantation into failing hearts.
The Medical University of South Carolina team has developed a DIY protective mask that can be printed at home using a 3D printer, working in tandem with a disposable filter cartridge. The design aims to provide an effective alternative to N95 masks during the ongoing COVID-19 pandemic.
Scientists successfully printed complex structures containing up to 27% cellulose particles, exhibiting mechanical properties similar to those of natural materials like wood. The developed process enables the creation of customized packaging, cartilage replacements, and potentially even sports car bodies.
Argonne scientists have developed a novel 3D printing method to recycle enriched molybdenum, producing Mo-99 at an unprecedented scale. The new process uses corrosive chemicals, but has been optimized with durable materials like PEEK, enabling efficient and reliable recycling.
The University of California, Riverside, has been awarded $3.75 million to lead a collaborative effort in developing scalable quantum computers. The project aims to establish a novel platform for quantum computing that can scale up to many qubits, overcoming current limitations.
Researchers have developed a new biomaterial that can be 3D printed to create tissue-like vascular structures, which could enable the recreation of vasculature in the lab. The material exhibits biologically relevant properties and has the capacity to withstand flow, making it suitable for building complex robust structures.
CurveBoards enable easier testing of circuit functions and user interactions with products like smart devices and flexible electronics. The custom-designed objects merge form and function testing in early prototyping stages, improving the overall prototyping experience.
Scientists used high-speed imaging to study droplet interactions, revealing complex behavior and surface jet formation. The findings have implications for 3D printing, where precise chemical deposition is crucial for creating complex structures.
Researchers at USC Viterbi School of Engineering develop machine learning algorithms to predict shape deviations in 3-D printing, resulting in improved accuracy across various applications and materials. The software tool, PrintFixer, is designed to be accessible to industry professionals and hobbyists alike.
Researchers at Rutgers University have developed a new 'bio-ink' for 3D printing that can serve as scaffolds for growing human tissues. The ink combines modified hyaluronic acid and polyethylene glycol to form a gel with controlled stiffness and binding sites for cells, enabling precise tissue growth and repair.
Scientists at Karlsruhe Institute of Technology (KIT) have developed a system to print highly precise, centimeter-sized objects with submicrometer details at an unmatched speed. The new 3D printer produces speeds of about 10 million voxels per second, corresponding to the speed reached by graphical 2D inkjet printers.
Researchers at Rice University have created a grooved method to seed 3D-printed scaffolds with living cells, enabling the growth of different tissue types in a single platform. This innovative approach protects cells from heat and shear stresses, allowing for the creation of hard implants that can heal bone, cartilage, or muscle.
A Far Eastern Federal University scientist is working on a new photopolymer silicone that can be quickly cured through UV radiation, enabling complex configurations. The compound aims to overcome the challenges of current silicone printing technology, which is currently unsuitable for producing detailed parts.
Scientists at TU Graz have successfully manufactured super magnets with high relative density and controlled microstructures using 3D printing technology. The developed process enables efficient material use by tailoring magnetic properties according to the application, making it a promising alternative to rare earth metals.
Researchers used CT scans and 3D printing to recreate the vocal tract of a 3,000-year-old Egyptian mummy, producing a single sound that falls between 'bed' and 'bad'. The achievement has implications for understanding past voices and presentation in the present.
A team from Nara Institute of Science and Technology has developed a method to embed information in 3D printed objects and retrieve it using a consumer document scanner. The technique uses Fused Deposition Modeling (FDM) with modified layer thickness to hide data.
A new project at Aarhus University aims to develop a standardized, documentable 3D printing filament from recycled plastics. The goal is to improve the industry's reliance on new plastics and reduce waste., This innovation has the potential to significantly impact the environment and climate in the long term.
Researchers used ultrasound to shake metal alloy grains into tighter formations during 3D printing, resulting in improved tensile strength and yield stress by 12%. The technique can be applied to various commercial metals, enabling the production of high-performance structural parts or structurally graded alloys.
Scientists from ETH Zurich have successfully created a miniature copper statue of Michelangelo's famous sculpture using 3D printing technology. The technique allows for the creation of metal structures at the nanometer and micrometer scale, enabling the production of complex geometries with high precision.
Researchers discovered that mimicking human bone's trabeculae structure can create artificial materials lasting up to 100 times longer than current designs. By increasing the thickness of horizontal struts, they achieved significant durability enhancements in 3D-printed polymers.
Researchers created a functioning 3D-printed ukulele and compared its sound quality to a standard wooden instrument using acoustics. They found that the 3D-printed ukulele produced lower A-weighted sound pressure and exhibited different timbre and frequency characteristics.
The study developed a comprehensive computational model of an intact knee joint to analyze the biomechanical response of soft-tissues under different meniscus conditions. The results suggested that a composite meniscal implant with a shell-core structure performed better than other options, restoring natural joint mechanics.
Researchers have developed a new type of solid-state elastocaloric cooling material using 3D printing that exhibits exceptional fatigue resistance and efficiency. The unique nanocomposite structure produced by this method could enable the widespread use of mechanocaloric cooling materials in refrigeration applications.
A novel elastocaloric cooling material made from nickel-titanium alloy was developed using additive technology, showing high efficiency, ease of scaling-up, and minimal environmental impact. The material demonstrated robust mechanical integrity, withstanding one million cycles without degradation.
A new 3D printing technique harnesses the power of visible light to create 'living' 4D materials with controlled polymerisation, enabling objects to transform their shape in response to conditions. The technology has numerous potential applications, including recycling and biomedical uses.
MM3D printing breaks the speed barrier for multimaterial 3D printing by switching between up to eight materials at 50 times per second. This enables the creation of complex shapes and origami-like architectures with high quality transitions.
Researchers have embedded high-performance electrical circuits inside 3D-printed plastics, increasing conductivity by 10-fold. This innovation could lead to smaller, more efficient drones and biomedical implants, as well as better-performing small satellites.
Drexel researchers developed a computational platform that can quickly produce designs for 3D printing carbon-fiber composite materials with an internal vasculature optimized for active-cooling. Microvascular composites offer many advantages over existing liquid and air-cooling systems, including being much lighter and durable.
A study by the University of Córdoba found that optimizing surface roughness and hydrophobicity can create self-cleaning surfaces using 3D printing. The research aims to improve road safety on highways and reduce maintenance costs for traffic signals.
The researchers developed a method to print silica optical fibers using additive manufacturing, eliminating the need for precise core centering. This allows for the creation of complex fiber designs and applications, such as fiber optic sensors, with reduced costs and improved longevity.
Researchers at TU Wien have developed a new bioprinting process that integrates living cells into fine structures created in a 3D printer, achieving high resolution and speed. This technique allows for the control of cell behavior and growth, enabling studies on tissue development and disease spread.
Researchers from SUTD developed a novel approach, 'Chocolate-based Ink 3D Printing' (Ci3DP), to print chocolate-based inks at room temperature using cold extrusion. This method eliminates the need for stringent temperature controls, offering wider potential for 3D printing temperature-sensitive food.
Northwestern University researchers have developed HARP, a high-throughput 3D printer that can print large parts in hours and small parts at high resolutions. The technology bypasses heat limitations with a nonstick liquid interface, enabling fast and large-scale manufacturing without molds or warehouses.
Researchers have developed a new approach to rapid and large-scale stereolithographic 3D printing, called HARP, which surpasses the capabilities of existing methods like CLIP. The method uses a flowing layer of fluorinated oil as a heat exchanger, allowing for faster rates and wider resin compatibility.
Researchers at the University of Delaware found that 3D-printed coral models do not harm fish behavior or coral survival. Fish showed no preference between native coral and artificial habitats, making biodegradable materials like cornstarch a promising alternative to plastic.
A new 3D printing technique enables fast fabrication of microlens arrays with precise optical surfaces, overcoming existing limitations. The method combines oscillation-assisted digital light processing (DLP) and grayscale UV exposure to produce uniform lenses with high surface smoothness.
Lehigh University is presenting various research projects, including 3D printing for tissue regeneration and biomechanics of Ebola adhesion. The university also launched a new B.S. program in Biocomputational Engineering, emphasizing innovation in bioengineering and healthcare.
Research from Georgia Institute of Technology found that consumer-grade 3D printers emit particles that can negatively impact indoor air quality and respiratory health. The study suggests measures such as better ventilation, lower nozzle temperatures, and using low-emission filaments to minimize harm.
Researchers at the University of Washington have designed a 3D-printed metamaterial that can manipulate light with nanoscale precision, focusing it to discrete points in a 3D helical pattern. The device has high spatial resolution and could enable miniaturization of optical elements and creation of ultra-compact depth sensors.
Shear-thickening fluids can be manipulated using ultrasonic waves to soften them, opening up new applications for materials like concrete and ceramics. The approach uses acoustic transducers to break force chains responsible for thickening, allowing for dynamic tuning of the material.
Researchers from Harvard's Wyss Institute create a new 3D printing method called SWIFT, which allows for the growth of large, vascularized human organ building blocks. The technique enables the creation of viable, organ-specific tissues with high cell density and function.