Articles tagged with Steel
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Researchers from KIT developed a process to transfer scale structure of reptiles to components of electromechanical systems. The results show that narrow scale structures increase friction under both lubricated and non-lubricated conditions, while wide scales reduce friction by more than 40%.
Researchers found that using stainless steel containers and silverware for hot meals can decrease melamine levels in people's bodies by 41-92%. This practice could lower exposure to the industrial chemical, which has been linked to urinary stones and kidney problems.
A recent study found that galvanized steel pipes can release high levels of lead into drinking water, with concentrations reaching up to 172 µg/L. Copper piping installed upstream can worsen lead release from the zinc coating, posing a significant risk to public health.
NIST researchers found that hydrogen-specific steel pipelines can cost 68% more than natural gas pipelines due to damage caused by hydrogen over time. However, they also propose modifying industry codes to allow the use of higher-strength steel alloys without thicker pipe walls, resulting in a net cost reduction.
A new methodology has been developed to assess the environmental sustainability of timber structures, taking into account factors such as social responsibility and economic development. The tool evaluates various criteria and indicators to produce an Environmental Sustainability Index for these structures.
The new self-learning welding system is controlled by a neural network program that tracks multiple variables, such as bevel angle, thermal profile, and weld form to detect and correct errors in real-time. This technology has the potential to bring significant savings to the welding industry by eliminating post-welding checks and repairs.
Researchers at LUT reduced welding groove angle from 45 to 30 degrees, increasing productivity and reducing additives and mistakes. The new method results in lighter, thinner, and more durable structures with improved environmental friendliness.
A new paint developed by researchers at UCL creates self-cleaning surfaces that resist everyday wear and tear. The paint's unique properties allow it to withstand damage and maintain its self-cleaning abilities, making it suitable for a wide range of applications.
Scientists have uncovered a key factor driving iron's unique thermal behavior, revealing a synergy between magnetism and atomic vibrations that increases the metal's stability at high temperatures. This breakthrough could lead to more accurate predictions of steel properties and enable the development of new, stronger alloys.
Case Western Reserve University researcher Michael Pollino developed a computer model that suggests optimal sizes for 'rocking steel-braced frames' to dissipate seismic energy. These designs could provide better earthquake resilience and repairability, potentially reducing costs.
Scientists have developed a new method to study steel fracturing using high-resolution images from a scanning electron microscope. The research revealed the connection between microstructure and porosity in sintered steels, identifying angular pores as initial points of 'nucleation' that initiate breaking.
New research shows that climate change mitigation efforts in Brazil's steel industry have failed to reduce greenhouse gas pollution. Instead, programs under the Kyoto Protocol led to a doubling of carbon dioxide emissions, from 91 million to 182 million metric tons of CO2 between 2000 and 2007.
Rice University scientists used a novel testing method to measure graphene's ability to absorb impact, finding it stretches before breaking. The technique, LIPIT, allows for rapid evaluation of nanoscale materials, with potential applications in body armor and spacecraft shielding.
A new filter technology has been developed using inert gas to bore holes in high-quality steel, resulting in a more stable and flexible membrane. The process is environmentally friendly and eliminates the need for toxic chemicals, making it an attractive alternative to plastic membranes in highly sensitive applications.
A team of researchers has devised a method to rapidly test the structural materials used in nuclear reactors, closely replicating damage caused by high-energy neutrons. The technique uses high-energy ion beams to damage samples of ferritic-martensitic steel, allowing for the development of more resilient components for advanced reactors.
Researchers have developed a new neutron tomography technique to visualize and analyze phase fractions of crystalline materials in 3D. The method allows for bulk characterization of materials, enabling the discovery of previously undetectable inhomogeneities.
NIST lab tests reveal severe corrosion on steel alloy samples exposed to ethanol and acetic acid vapors, suggesting need for underground gas tank retrofits. The study's findings indicate that submersible pump casings made of steel or cast iron may need to be replaced sooner than expected.
Mathew M. Maye's research may lead to gas storage, heterogeneous catalysis, and rechargeable lithium-ion batteries applications. He is developing novel synthesis strategies for stainless nanoparticle alloys with controlled oxidation properties.
The study reveals that steel cable structures have a significantly lower environmental impact, with 29% less mass and 65.1% less embodied energy than traditional truss systems. This finding highlights the importance of material selection in reducing construction's environmental damage.
Scientists have developed a method to create stronger and more ductile metal materials by adjusting the internal structure, similar to bone and bamboo. This technique can be customized for various applications, including improving industrial steel's strength and ductility.
New research highlights the erosion of building materials including stone, concrete and steel due to mix of pollutants and organic chemicals in green spaces. Experts recommend investing in green spaces to reduce greenhouse gases, cut pollution exposure and improve mental health benefits.
Research from Oregon State University found that exposure to iron pipes and steel rebar can alter the magnetic field around fish, affecting their ability to navigate. The study suggests that stabilizing the magnetic field by using alternative materials in hatcheries may help produce better yields of fish.
Researchers at Wayne State University have developed high-strength low-alloy steels and cast irons with improved energy efficiency, reduced emissions, and increased safety. The university has licensed its patented technology to Detroit Materials, Inc., a new start-up company focused on commercializing ultra-high performance materials.
Scientists at Yale University have developed a faster way to identify and characterize complex alloys known as bulk metallic glasses (BMGs), which are stronger than steel. The new method allows researchers to screen about 3,000 alloys per day, significantly reducing the time needed for discovery.
Researchers at Brown University have discovered a method to fortify steel by twisting it, allowing for improved strength while maintaining ductility. This breakthrough could lead to the development of new steel alloys for high-strength applications such as axles on high-speed trains.
Using lead ammunition in shooting sports poses a significant environmental risk, with thousands of tonnes of lead released annually. Replacing it with steel-based ammunition could mitigate this issue and reduce the impact on wildlife.
The new material exhibits a high stability to weight ratio, surpassing that of steel and aluminum. It is produced through 3D laser lithography and has potential applications in insulation, shock absorption, and chemical industry filters.
Researchers used computational software to analyze published data on Damascus blades, proposing a new explanation for pattern formation. The study suggests that the high carbon content and microsegregation of solutes during solidification lead to the characteristic band-like formation of coarse cementite particles.
Researchers at MIT and Université Pierre et Marie Curie provide the first detailed model for the 3-D shape of a strand of curly hair, with applications in computer animation and engineering. The model characterizes all degrees of curliness and describes how properties change along the arc length.
The use of lead-free steel shot in Spanish wetlands has significantly reduced waterfowl poisoning, with a 50% decrease in lead accumulation detected. Researchers attribute this to the change in material from lead to steel shot.
A new research suggests that developing relationships between companies, suppliers, and raw material suppliers can lead to significant cost savings and improved designs. By creating a sourcing hub, firms can simplify their supply chains and gain access to better advice on raw material selection.
Researchers used numerical modeling to explore chloride-induced corrosion in hollow submerged marine concrete structures. They found that 'macrocells' play a significant role in accelerating the corrosion process, which can lead to reduced structure lifespan.
Researchers have discovered a new class of bulk metallic glasses that exhibit enhanced fatigue endurance, thanks to a unique staircase-like fracture mechanism. This breakthrough paves the way for widespread adoption in industries such as smartphones, biomedical implants and aerospace engineering.
Researchers are developing modular, all-steel track sections that can be laid quickly and embedded with fibre optic technology for instant safety alerts. This innovation aims to reduce maintenance costs and improve efficiency in the railway industry.
A study has identified that dissolved oxygen in ethanol causes cracking of steel, leading to pipeline integrity issues. By removing dissolved oxygen, researchers have found a solution to prevent stress corrosion cracking, enabling safe ethanol transportation via pipelines.
A new study by Brigham Young University professor Arden Pope found a 35% reduction in deaths and disability attributable to air pollution in the US since 1990. This improvement is attributed to cleaner air quality, with significant reductions in cardiovascular disease and respiratory problems.
The Indianapolis Motor Speedway's asphalt pavement recipe has potential to improve the smoothness, durability, and safety of roads for ordinary speeds. The surface's stiffness and ability to resist tire deflections also play a crucial role in determining fuel economy.
Researchers at Syracuse University have developed a novel method for synthesizing alloy nanomaterials with stainless steel-like interfaces. This breakthrough may enable the creation of diverse forms of alloy nanomaterials for various applications, including gas storage and heterogeneous catalysis.
Researchers at Johns Hopkins University are testing a two-story building made of cold-formed steel to determine its seismic resistance. The tests aim to improve nationwide building codes and make future buildings less expensive to construct.
A new process developed by MIT researchers uses molten oxide electrolysis to produce steel without emitting greenhouse gases, resulting in higher purity metal and potential cost savings. The method could be adapted for production of other metals and alloys with similar advantages.
Researchers at Aalto University have developed a new fatigue model that enables the creation of lighter structures, leading to more energy-efficient ships. The study's findings can be used to improve the design of various welded steel structures, predicting fatigue endurance more accurately and utilizing materials more efficiently.
Engineers have created a new technique to strengthen magnesium alloys, introducing nano-spaced stacking faults to increase strength by approximately 200 percent. The resulting material has high specific strength, making it lighter than steel but stronger, with potential for replacing steel in some applications.
Researchers identified a critical fictive temperature (CFT) that determines glass ductility, suggesting any glass can be made ductile or brittle by adjusting cooling rates. The study applies to all glasses, not just metallic glasses, and has implications for designing ductile glasses.
Scientists have studied a milling reaction in real time using highly penetrating X-rays, observing the transformation of simple ingredients into complex products. This breakthrough enables optimization of industrial processes, reducing solvent use and energy consumption.
Researchers propose a mechanism by which life may have gotten its start in the early Earth's chemical environment. A mathematical model reveals that networks of molecules with self-perpetuating capabilities can give rise to complex systems and potentially life.
Researchers reveal that a soccer 'knuckleball' shot causes a zigzag trajectory due to aerodynamic lift forces, not deformations at the site of impact. The study sheds light on the phenomenon's unpredictability and potential role in historic experiments trying to prove the Earth's rotation.
Two Carnegie Mellon teams, Tartan Rescue Team and Team Steel, have been selected to compete in the DARPA Robotics Challenge, a competition where robots will respond to disaster scenarios in human-engineered environments. The ultimate winning team will receive a $2 million prize and advance robotics development across all fields.
Researchers at Northwestern University have engineered a surface that prevents bubbling during boiling, creating a stable vapor cushion and eliminating bubbles. This discovery could lead to advancements in heat transfer equipment, anti-frost technologies, and reduce damage to surfaces.
Scientists observe bumps, folds, vortex-like features, and cracks on the metal surface as it slides, revealing a surprising fluidlike behavior at room temperature. The findings could lead to improved durability of metal parts and better understanding of material behavior.
Professor Mo Ehsani's new pipe consists of a central layer of lightweight plastic honeycomb and layers of resin-saturated carbon fiber fabric. This innovative design is stronger than conventional steel and concrete pipes, allowing for virtually infinite length sections with no joints.
Researchers at Michigan State University found that hyenas that tried multiple solutions and took risks were more successful in solving a steel puzzle box. The study suggests that large brains may enable hyenas to think flexibly and come up with novel solutions.
A Tel Aviv University researcher has developed a super-strength polypropylene that could replace steel in everyday products, reducing pollution and increasing energy efficiency. The new material is cheaper to produce and more durable than traditional plastics, making it a promising alternative for industries such as car manufacturing.
Scientists have developed a practical way to make stainless steel that disinfects itself, using a bio-inspired adhesive and silver-based particles. The new process takes only 10 minutes and uses water instead of toxic substances.
Researchers at the University at Buffalo have developed a graphene-based composite that can replace toxic coatings with hexavalent chromium, reducing environmental harm and promoting safer industries. The new coating has shown significant improvements in durability, allowing treated steel to survive for months in harsh environments.
Researchers at the University of Southampton have developed a new technique to accurately measure gas bubbles in pipelines. By analyzing phase speeds and attenuations, they can estimate the bubble size distribution, crucial for preventing 'blow outs' that led to the Deepwater Horizon oil spill.
Researchers in Sheffield have mapped a possible expansion of the city's district heating network, which could reduce CO2 emissions by 80,000 tonnes annually. The system, powered by waste and steel plant heat, provides low-cost heating to over 140 public buildings and 3,000 homes.
A series of experiments is assessing the potential vulnerability of critical structural components in aging steel bridges. Researchers are discovering how materials, connection details, and designs react to IEDs, kinetic impact, intense fires, and other accidents.
The new Iowa River bridge features over 100 gauges that take 100 readings a second, providing quantitative information on the bridge's performance and condition. The system also monitors security and surveillance video, with data displayed in real-time on a website.
Scientists have developed a new form of buckypaper, which eliminates a major drawback of these sheets of carbon nanotubes by introducing a 'shish kebab' structure that controls pore size and conductivity. This innovation has potential applications in body armor, batteries, and electronics.
A new fracture control plan for steel bridges aims to reduce the risk of failure through improved material selection, design, and inspection. The plan has the potential to save costs on maintenance budgets by identifying critical members that need protection from brittle fracture.