Articles tagged with Ceramic Processes
Researchers created AI2O3/Ti composites with improved fracture toughness, electrical conductivity, and photocatalytic ability through percolation structure and chemical treatment. The composites also showed machinability like metals and antibacterial properties.
Researchers at Clemson University are working on a new 3D-printing technique involving rapid laser processing to create protonic ceramic electrolyzer stacks that convert electricity to hydrogen. This technology could lead to cars that go 1,000 miles per fill-up and smartphones that can run for days without recharging. The new technique...
A team of researchers at Penn State has developed a cold sintering process to create nanocomposites of ceramics and 2D materials, known as MXenes. This innovation enables the production of high-performance materials with potential applications in solid-state batteries, thermoelectrics, and more.
Purdue researchers have found a way to overcome the brittle nature of ceramics by applying an electric field during sintering, resulting in materials that can deform like metals at room temperature. This innovation enables the creation of more stable ceramic components for aircraft engine blade coatings and dental implants.
Scientists from Kiel University and University of Trento create stable 3D network of carbon nanotubes using wet chemical infiltration process. The method retains beneficial properties of CNTs, enabling applications in battery technology, medical implants, sensors, and electronic components.
Researchers at Penn State developed a cold sintering process (CSP) that combines ceramic and plastic materials at lower temperatures than traditional methods. The process allows for densification of materials to over 95% of their theoretical density in just 15 minutes.
A team of scientists has developed a new process using a novel ceramic membrane to convert methane to aromatics, eliminating CO2 emissions and reducing processing steps. The resulting chemicals are valuable products for insulation materials, plastics, textiles, and jet fuel.
Researchers at Worcester Polytechnic Institute are developing a novel way to manufacture metal-ceramic composites for use in vehicles. The new technique involves the formation of nano-reinforcements directly within the molten metal, resulting in less expensive and more flexible materials.
Researchers analyzed fatty acids from ancient pottery to find the earliest direct evidence for cheese-making in Northern Europe. The study revealed that dairy products were processed in ceramic vessels with sieves resembling modern cheese-strainers.
A Georgia Tech research team has developed a novel technology that allows for the direct digital casting of complex, costly metal parts. The new method, called Large Area Maskless Photopolymerization (LAMP), uses high-resolution optics and precision motion systems to achieve extremely sharp features, reducing prototype development time...
A Kansas State University researcher has developed a new method to create ceramic carbon nanotube material, which improves laser detector performance. The material also addresses four key areas for improving rechargeable batteries: capacity, life, recharging speed, and power output.
Researchers at Lehigh University are studying the impact of grain-boundary interphases on material properties. They aim to control the transition between different interphase structures to prevent abnormal grain growth and improve material quality.
A small electric field accelerates ceramic product formation at lower temperatures and strengthens the material. The researchers achieved a 63% reduction in grain size, resulting in a stronger ceramic product.
Researchers at NC State have developed a new way to shape ceramics using an electric field, reducing energy consumption and increasing efficiency. The process could lead to significant cost savings and reduced pollution in ceramics manufacturing.
Engineers have developed ceramic tubes that can filter oxygen out of the air, enabling almost pure carbon dioxide production for reprocessing into useful chemicals. This technology has potential to reduce greenhouse gas emissions from power stations by up to zero.
Dan Luss' research focuses on developing operation and control policies for chemical reactors, increasing efficiency, and producing advanced ceramics. He aims to prevent runaway reactions and explosions by understanding initial conditions and developing start-up procedures.
Researchers have developed new approaches to produce micro-devices with complex shapes and properties, opening up opportunities for biomedical, computing, environmental cleanup, defense, and other applications. The study uses biologically derived structures that can be chemically modified without changing their shape or fine features.
The Oak Ridge Associated Universities funds research to develop conductive ceramic materials. Lu, a Virginia Tech graduate student, aims to create advanced ceramic materials by incorporating carbon nanotubes. She has achieved 40% density, significantly improving the material's strength and conductivity.
Scientists uncover proof Frobisher's assayers intentionally added gold to worthless black rocks, fueling an investment frenzy. Lead samples analyzed for the first time show no contamination, confirming a massive fraud.
The National Institute of Standards and Technology (NIST) has released a new collection of critically evaluated phase diagrams, improving search capabilities and reducing design errors. The ACerS-NIST collaboration saves research time and money by providing reliable data.
Researchers develop concentrated colloidal inks that form self-supporting features through a robotic deposition process, allowing for complex shapes and chemical composition variations. The technique enables the creation of fine-scale structures with features as small as 100 microns.
A new computational model developed at Purdue University accurately predicts the performance of thermal-barrier coatings, allowing designers to predict the properties of various mixtures. The model has been shown to be over 90% accurate and promises to save time and money by ruling out ineffective mixtures.
The Idaho National Laboratory's Rapid Solidification Process (RSP) Tooling has been recognized by the Department of Energy for its innovative approach to fabricating precision tooling. This process enables mass-produced items to be created more quickly and cheaply, reducing production costs and turn-around time.
Researchers have discovered a method for producing silicon-based chemicals from sand, rice hull ash, and antifreeze, reducing the need for expensive high-temperature processing and toxic by-products. The new process enables the creation of novel compounds with potential pharmacological activity, such as wound healing and hair growth.
Scientists at Case Western Reserve University found a natural ceramic structure in the Queen conch shell that can be mimicked to create load-bearing, heat-resistant, and corrosion-resistant ceramics. The shell's unique microarchitecture allows it to distribute loads effectively, making it strong and fracture resistant.
The International Rubber Conference will explore various aspects of rubber technology, including bonding to other materials, civil engineering, environmental impact, and product performance. Authors are invited to submit abstracts by September 29, 2000.
Researchers created self-assembling ink that forms nanoscopic pores with external function and internal structure. The new ink can be easily printed from ordinary printers or written by lithographic pens.
Purdue University researchers develop a technique for machining brittle ceramic materials using heat from a laser, reducing costs and increasing precision. This method can cut in half the cost of making components for the growing $10 billion U.S. market, enabling more complex geometries and lower manufacturing costs.
Researchers from the University of Toronto have developed a new class of magnetically tunable, shaped ceramics. By adjusting temperature in a pyrolysis chamber, they can create ferromagnetic nanoclusters and tune the material's magnetism. This breakthrough has potential applications in data storage, anti-static coatings, and other fields.
A new sensing and control system is being developed to regulate melt rate, temperature, and iron composition in cupola furnaces, reducing greenhouse gas emissions. The Intelligent, Integrated, Industrial Process Sensing and Control System (I3PSC) has the potential to save 1500 tonnes of coke annually in the US alone.
A global system involving human-machine integration will evolve, leveraging ceramic materials and nanotechnology to provide food and clean water. The future may hold composite life forms with organic and inorganic elements.
Researchers at AeroMet developed the Lasform process, which builds high-tech titanium components using laser forming and powdered titanium. The process reduces production scrap and time to weeks, ideal for prototype parts and small production runs.
Spray forming technology uses tiny metallic droplets to create strong aerospace alloys, reducing production costs and increasing strength. This process enables the creation of larger components, benefiting from cost reduction and improved alloy utilisation.
A new material, Hi-Por, is being considered as a replacement for refractory ceramic fibers due to its heat resistance and fiber-free nature. It has already been used in the nuclear industry due to its greater resistance to nuclear radiation.
Researchers have created a simpler computer simulation for ultrafine particle size growth and distribution, which can accurately predict particle group sizes over time. The simulation is fast, accurate, and uses modest computing power, and has already been confirmed by experimental results in certain cases.
Researchers have developed a new 'self-strengthening' plastic that can be used to make car body panels. The process uses threads of polypropylene to create a rigid sheet with strength similar to composite materials.
A new process called Continuous Rotary Extrusion (CRE) can produce high-quality copper from scrap electrical cable at a lower cost and with minimal environmental impact. The recycling centers can be based in compact light industry plants, reducing staff requirements and operating costs.
Scientists have developed SAMMS, a self-assembled monolayer on mesoporous support that selectively binds toxic or precious metals like mercury and lead. The technology has shown promise in cleaning up contaminated waterways and recovering valuable metals.
Researchers at Ohio State University have developed a new process to create near-net-shaped ceramic parts without shrinking or changing shape. The method uses a mixture of ceramic and metal powders, which oxidize to form ceramics with desired properties.
Engineers create instrument to monitor sputtering deposition in real-time, enabling scientists to optimize material properties. The technique allows for precision and quality control in coating processes.
Researchers have resolved a long-standing paradox in the theory of sintering ceramics by proposing a new model that explains shape changes during the process. The model takes into account energy differences among differently oriented surfaces and edges, reducing total energy through shape changes.
Researchers at Michigan Technological University have developed a method to measure dynamic indentation hardness in materials, which could render traditional tests obsolete. The new device can achieve results in under 200 microseconds, reducing the need for costly and time-consuming tests.
A laser-based surface-engineering process significantly reduces friction between metal or ceramic components, prolonging machine part life and increasing performance. This breakthrough technology complements traditional lubricants, enabling the use of lower-cost materials in high-performance engines.
Researchers at ORNL have developed ceramic valves that offer longer life and better durability for heavy-equipment engines. The valves were tested in a mine haul truck engine and accumulated over 2,000 hours without failing.
The Department of Energy's Oak Ridge National Laboratory (ORNL) has signed a CRADA with American Magnetics Inc. to produce high-temperature superconductor leads, promising improved energy efficiency and smaller size in cryogenic systems. The new leads will be stronger, carry more current, and reduce cryogen costs.