Articles tagged with Steel
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A study from OIST shows that abrasion from common additives can lead to efficient reactions under mechanochemical conditions. Abrasive materials like tungsten carbide or diamond powder activate catalysts and drive coupling reactions. This finding changes the way researchers think about mechanochemical catalysts.
Researchers used advanced X-ray imaging to track how tiny defects in stainless steel respond to hydrogen exposure. The study revealed three key changes once hydrogen was introduced, allowing internal defects to move more easily and leading to unexpected failure in metals.
Researchers from NIMS discovered that prior cyclic deformation improves the fatigue limit of steel by suppressing crack initiation. A novel pre-fatigue training technique successfully doubled the fatigue limit of high-strength martensitic steel, providing an effective alternative to tempering heat treatment.
Researchers at Texas A&M University have developed a smart plastic that can self-heal and adapt to extreme conditions, making it ideal for aerospace and automotive applications. The material's unique properties allow it to restore its shape after deformation, improve vehicle safety, and reduce environmental waste.
Researchers developed novel haptic devices to enable precise robot control with tactile feedback, reducing collisions and improving user proficiency. The devices integrate digital twin technology and augmented reality for enhanced immersion.
Researchers propose a novel approach to reduce carbon emissions in cement manufacturing by leveraging iron naturally present in cement raw materials. The method enables the co-thermal conversion of CaCO₃ with CH₄ under a methane atmosphere, resulting in high-value syngas as a byproduct and significantly reducing carbon footprint.
Researchers developed an advanced microscopic method to map residual stress in ultra-narrow weld zones, revealing the impact on P91 steel's strength and brittleness. The findings provide critical insights for designing safer and longer-lasting fusion energy systems.
Researchers at University of Wisconsin-Madison have developed a new approach to restore stainless steel's corrosion resistance using ultrasonic nanocrystal surface modification. By equalizing chromium concentration in depleted regions, the treatment restored corrosion resistance without heat treatment. This breakthrough could lead to m...
A research project at the University of Tennessee is developing a method to turn mixed wood waste into a densified material with high strength and toughness. The approach involves removing lignin and compressing the wood, resulting in a substance comparable to steel.
Researchers at Saarland University are developing leaner, customized AI models and techniques like knowledge distillation to reduce energy consumption. These smaller models enable small and medium-sized businesses to access powerful AI technology without a large technical infrastructure.
Researchers have successfully demonstrated the environmental benefits of turning CO₂ emissions into key chemical ingredients for essential consumer goods. The study found that waste CO₂ can be part of the solution rather than the problem, reducing GWP by around 82% for paper mill emissions.
Researchers developed a new stainless-steel alloy that preserves material strength without relying on nickel. By using additive manufacturing and combining austenitic and ferritic stainless steels, the team created bimetallic structures with improved hardness and strength.
The study focuses on developing design provisions for using headed reinforcement in bridge structures, reducing construction time and costs. Full-scale experimental testing is underway at the Center for Infrastructure Renewal's High-Bay Laboratory.
A new study by Finnish researchers found that recycled plastic railway sleepers can significantly reduce carbon emissions, with potential savings of up to 3,610 tCO2e per year. The production process for these plastics requires less energy and generates fewer emissions than traditional materials like steel and concrete.
Researchers at UC Berkeley have developed a metal-organic framework that can capture CO2 at extreme temperatures, relevant to cement and steel manufacturing plants. The discovery has the potential to change how scientists think about carbon capture and reduces the need for costly infrastructure.
A new study by UC Davis engineers and economists finds that producing materials like steel, plastics, and cement inflicts $79 billion a year on the global climate. The team calculated climate costs using the Environmental Protection Agency's Social Cost of Carbon standard.
The University of Massachusetts Amherst has been awarded a $6.37 million grant by the EPA to create a free EPD generator tool and establish an industry standard for measuring greenhouse gas emissions. The project aims to increase transparency and trust in the steel industry, retraining engineers and steelmakers to use the new tool.
A revolutionary new paper from SUNY Poly demonstrates macroscale superlubricity using carbon-coated metallic surfaces, reducing friction by up to 99.97% and enabling significant cost savings and environmental benefits. The study's findings have far-reaching implications for various industries.
Researchers have designed a new way to recycle steel using an electrochemical pathway that removes contaminants like copper, reducing carbon emissions. The process generates liquid iron and sulfur as by-products and has potential for higher-grade product creation.
A £800,000 project aims to optimise a flexible floating offshore wind platform for applications in the Celtic Sea. The initiative will support local supply chains and increase the use of local steel in fabrication, with the goal of reducing costs and environmental impact.
Researchers developed a method to recycle cement using electric arc furnaces, significantly reducing emissions from concrete and steel production. The process can replace up to half of cement in concrete with recycled cement, producing zero-emission cement if powered by renewable energy.
A systematic investigation by Osaka Metropolitan University calculated 120 combinations of alloy elements with carbon and nitrogen to form bonds in steel. The results showed that specific arrangements of elements harden the iron, improving durability and material strength.
Researchers have developed a method to trap solar energy at temperatures over 1,000°C using synthetic quartz, demonstrating its potential for clean energy in carbon-intensive industries. The technology shows promise for industrial applications and could provide an economic viable alternative to fossil fuels.
The Penn State research project, funded with a $1.33 million DOE grant, focuses on replacing coal-based materials with biomass in steel manufacturing to reduce greenhouse gas emissions. Additionally, the researchers plan to introduce a microcredential program to provide industry-specific training for underrepresented groups.
A Princeton-led study suggests that co-producing steel and chemicals could significantly reduce greenhouse gas emissions from these industries. By redirecting steelmaking off-gas to chemical production, China can lower its hard-to-abate emissions and meet climate goals.
A modelling study suggests mass timber can significantly reduce carbon emissions in high-rise US buildings by replacing traditional materials like concrete and steel. The study's findings have significant implications for the construction industry and could pave the way for more sustainable building practices.
Researchers have created a galvanized steel coating that reduces corrosion and prevents bacterial growth, improving food safety. The coating decreases bacterial strains over seven days and can be used on grain storage silos and other food-related storage units.
Scientists at Max-Planck-Institut für Eisenforschung have developed a method to produce green steel from toxic red mud using an electric arc furnace and hydrogen plasma, potentially saving 1.5 billion tonnes of CO2. The process is also economically viable, requiring only 30-40% iron oxide in the red mud.
Researchers at North Carolina State University have identified a welding technique that can join composite metal foam components without impairing their properties. The new method uses induction welding, which penetrates deeply into the material and insulates it against heat.
The University of Hong Kong's 'Super Steel' team has developed a novel stainless steel with superior corrosion resistance, enabling its potential application in green hydrogen production from seawater. The new steel exhibits comparable performance to current industrial practices using Titanium while being much cheaper.
A new method for 3D printing metal allows for controlled structural modifications without heating and beating, reducing post-production alteration requirements. The technique enables the production of strong and tough metals with comparable performance to traditional methods.
A new study suggests that upgrading or retrofitting the world's iron and steel processing plants early could reduce carbon emissions by up to 70 gigatonnes by 2050. This is equivalent to two years' worth of net global carbon emissions, according to researchers from UCL.
Researchers found long-lasting PFAS in 27 out of 39 paper straws tested, with bamboo straws also contaminated. The study highlights the potential harm of seemingly eco-friendly alternatives to plastic drinking straws.
A team of researchers led by ORNL's Alex Plotkowski developed a novel high-performance alloy, 3Cr-XHTS steel, which can withstand extreme temperatures and stresses. The new alloy demonstrated significant improvements in fatigue strength and oxidation resistance compared to existing materials.
Washington State University engineers have created a way to 3D-print two types of steel in the same circular layer using two welding machines. The resulting bimetallic material proved stronger than either metal alone due to pressure caused between the metals as they cool together.
Researchers at Purdue University have developed a new steel alloy with extraordinary strength and plasticity, achieving a yield strength of about 700 megapascals. The treatment produced ultra-fine metal grains that exhibit super-plasticity, allowing the material to stretch and bend without rupturing.
A research group from Tohoku University successfully develops a dealloying bonding technology that forms a strong mechanical bond between iron and magnesium. This breakthrough enables the creation of new lightweight materials with reduced environmental impact, potentially transforming the transportation industry.
Researchers develop innovative test to produce pure intergranular fractures on embrittled high-strength steel samples, allowing for unprecedented study of fracture mechanisms. Lattice defects and plastic deformation are identified as key factors in hydrogen embrittlement.
Researchers at Max Planck Institute developed an ammonia-based direct reduction process to produce sustainable iron and steel, overcoming logistics and energetic disadvantages of hydrogen. The process yields the same metallization degree as hydrogen-based reduction while forming nitrides that protect the sponge iron from corrosion.
The study found that the US uses mostly synthetic graphite, which is produced from fossil fuel industry by-products, while natural graphite is sourced from mines and imported. The researchers suggest increasing domestic production and recycling of graphite-containing products to reduce greenhouse gas emissions.
PhD candidate Benjamin Stavnar Elveli's research investigates how different types of steel plates behave under combined ballistic impacts. His work aims to establish guidelines for lightweight, resistant structures. The study shows that simplified approaches can have weaknesses, highlighting the need for accurate computer simulations.
A £5.4 million project, backed by Innovate UK, aims to develop a new value chain to convert industrial waste gases into sustainable materials for consumer products. The consortium, including Unilever and BASF, will seek to demonstrate how the UK can cut 15-20 million tonnes of carbon dioxide emissions per year.
Researchers at the University of Sheffield have discovered that epoxy-functionalized nanoparticles can significantly reduce friction on stainless steel surfaces. The nanoparticles adhere strongly to metal surfaces due to chemical adsorption, leading to a notable reduction in friction. This finding has potential implications for next-ge...
A recent study by Ohio State University researchers estimated that global steel production contributes significantly to greenhouse gas emissions, with corroded steel replacement accounting for up to 4% of total emissions. Reducing steel corrosion could have a measurable impact on reducing greenhouse gases produced during steel production.
Scientists at PNNL have created a new system that efficiently captures CO2 and converts it into methanol, reducing emissions and establishing a market for CO2-containing materials. The technology could help stimulate the development of other carbon capture technologies and promote a more circular economy.
Texas A&M researchers have developed a method to embed hidden magnetic tags in metal parts, providing a new tool to combat counterfeited goods. The technique uses metal additive manufacturing to create unique identifiers that can be read using a magnetic sensor device.
Researchers from Tokyo Metropolitan University conducted a simulation to study bridge failure during large-scale earthquakes. The study highlights the importance of girder end design in improving resilience, with reinforcing ribs shown to be effective against lateral forces.
A team of researchers from NIST, UW-Madison, and Argonne National Laboratory identified key compositions that enable consistent 3D-printing of 17-4 PH stainless steel with favorable properties. The new findings could help producers cut costs and increase manufacturing flexibility.
Scientists developed a novel multilayer coating to improve the longevity of steel, increasing its lifespan by up to 400 hours. The coating, comprising three layers, was found to provide higher resistance to rust than conventional Zn coatings.
Researchers observe a significant increase in electrical conductivity when mica is thinned down to few molecular layers, exhibiting semiconductor-like behavior. The findings suggest that thin mica flakes have the potential to be used in two-dimensional electronic devices with exceptional stability and durability.
A new joint study by Southwest Research Institute and Sandia National Laboratories examines the effects of supercritical carbon dioxide (sCO2) on oxide film growth on additively manufactured metals and wrought stainless steel. The study found that both types of metals showed oxide growth, but with significant differences in grain size ...
Researchers advocate for a paradigm shift in forecasting corrosion damage within reinforced concrete structures, citing the flaws of using a single theoretical concept. A multiscale, multidisciplinary approach is needed to quantify corrosion rates and develop reliable forecast models.
Researchers at MIT have developed a way to create lightweight fibers out of petroleum residue, offering advantages over traditional carbon fiber materials. The new process uses heavy waste material left over from refining, reducing production costs and enabling the creation of load-bearing applications.
Researchers at the University of Kansas will investigate improved detailing in steel bridges to prevent constraint-induced fractures, which can lead to bridge failures. They will also evaluate university curricula for graduate students studying bridge design to address gaps in education and improve continuing education.
Researchers at the University of Surrey are working on a new approach to stress measurement techniques for nuclear fusion energy. The team aims to prove the safety and effectiveness of welds in future fusion power plants, which could be a key part of the world's long-term energy needs.
Researchers at MIT have developed a new material that is stronger than steel and as light as plastic, with potential applications in car parts, cell phones, bridges, and other structures. The material, called polyaramide, self-assembles into sheets and has unique properties, including high elastic modulus and impermeability to gases.
Researchers at RMIT University have developed a smart and super-efficient way of capturing carbon dioxide and converting it to solid carbon, which can be integrated into existing industrial processes. The technology offers a pathway for instantly converting CO2 as it is produced, locking it permanently in a solid state.
Scientists have created a new protective coating using Al-Mg-Si alloy to resist corrosion in ships and marine facilities. The coating demonstrates improved corrosion resistance through a 'shielding effect', increasing the economic life of steel machinery.
A team at Sandia National Laboratories tested specially designed stainless-steel containers for fire safety and found they did not split open even when heated to 2000 degrees Fahrenheit. The containers developed small pinholes instead, allowing superheated gas to escape without pressurizing the container.
The University of Leeds research highlights the need for industry to adopt new technologies that can manufacture materials using renewable electricity. This is crucial to achieving net zero emissions targets by 2050, as current steel and aluminium manufacturing capacities pose a significant barrier to this goal.