Articles tagged with Steel
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.
Researchers from City University of Hong Kong created a new titanium-based alloy using additive manufacturing, boasting unprecedented structures and properties. The alloy exhibits high tensile strength, excellent work-hardening capacity, and is up to 40% lighter than stainless steel, making it suitable for various structural applications.
Researchers created a sulfur-selenium alloy that outperforms traditional coatings in protecting steel from corrosion and oxidation. The material's self-healing properties allow it to recover from scratches and damage, making it suitable for infrastructure applications.
Researchers from South Ural State University and China's Xi'an Jiaotong University have successfully welded A606 (Cor-Ten) steel, a promising material with high atmospheric corrosion resistance. The study optimized welding conditions to achieve high strength properties and necessary microstructure.
Researchers from Tokyo University of Science developed a computationally quick approach to predict molten droplet solidification on a solid surface. The model simulates the solidification process by considering the droplet behavior and heat transfer between the hotter droplet and cooler surface, replicating experiments with high accuracy.
Researchers developed a WC-20CrC-7Ni coating with high anti-cavitation resistance, extending the life of aquatic environment mechanisms. The coating's fine structure increases surface area, requiring more energy for crack formation. This innovation can protect critical equipment parts in power engineering, metallurgy, and shipbuilding.
A research group employed ultra-small testing technologies to measure the interfacial bonding strength of coated materials. The study successfully measured the shear strength of a tungsten coating on ferritic steel, contributing to the safe application of multi-material technology in industrial components.
A University of Missouri researcher is using a grant from the National Science Foundation to explore how time can factor in a building collapse. She's conducting thousands of hours of laboratory tests to determine the breaking points of reinforced concrete building materials.
The Basque Country has significant potential for recovering and reusing industrial waste heat, with Bizkaia province showing the highest concentration. The research found that 90% of companies with waste heat temperatures above 400°C can recover their investment within five years.
The bridge, led by Dutch company MX3D, will serve as a 'living laboratory' in Amsterdam's city centre, with sensors measuring its performance and behavior. Researchers will analyze data to understand how the public interacts with 3D-printed infrastructure and its long-term behavior.
University of Pittsburgh researchers received prestigious awards for their work on phase diagrams, thermodynamic properties, and uncertainty quantification in alloy powder production. Assistant Professor Wei Xiong won the inaugural CALPHAD Young Leader Award, while graduate student Xin Wang received the Best Poster Award.
Researchers at Dartmouth College have identified three brain areas, known as place-memory areas, which form a link between perception and memory systems. These areas are responsible for transforming visual information into spatial knowledge of familiar places.
Materials researchers at Saarland University are working with companies like Dillinger and RWTH Aachen University to develop customized steel grades for offshore wind farm monopiles. The goal is to improve welding processes and reduce production time while maintaining mechanical properties.
Researchers from TU Wien and international partners discovered MXene's exceptional properties as an ultra-durable dry lubricant, reducing friction to one sixth and withstanding 100,000 movement cycles without issues. Its heat resistance and independence from atmosphere and temperature make it suitable for various industrial applications.
Researchers at Texas A&M University are using Bayesian optimization frameworks to combine multiple information sources and develop a more complete picture of underlying processes. This approach aims to reduce production time and costs by predicting the needed composition and processing for specific designs.
Researchers at Duke University are developing new super-hard materials using chaotic atomic structures, which can enhance stability and strength in a wide range of applications. The team aims to create a material that can solve the friction stir welding problem with steel, revolutionizing ship construction and defense equipment.
Engineers from Erbil Technical Engineering College report on the effect of applied load intensity, steel reinforcement index amount and concrete strength on beam depth-span ratio. The study suggests modifying ACI codes to include additional parameters, enabling engineers to control beam deflection within defined limits.
Researchers at Immanuel Kant Baltic Federal University developed a method for creating thin films using reactive pulsed laser deposition. The resulting films reduced friction by over 10 times, with applications in industries like space technology and instrument building.
Recent advancements in experimental tools and multiscale modeling have improved understanding of hydrogen's location in ferritic steels under mechanical loading. Various techniques, including atom probe tomography and secondary ion mass spectrometry, show promise in determining the embrittlement process.
Researchers have developed a way to predict the properties of multiprincipal element alloys (MPEAs), which exhibit unique combinations of strength, ductility, and damage tolerance. The team used electron microscopy and atomistic simulations to unveil the mechanistic origins of desirable properties in MPEAs.
Researchers found that reinforcing bushing systems with steel stiffeners reduces damage by up to 33-55%, resulting in lower costs for repairs and recovery. The study provides new insights into mitigating the impact of earthquake damage on power networks.
Researchers found significant lung injury from e-cigarette devices with nickel-chromium alloy heating elements, even without nicotine or other additives. The switch in devices occurred when the team's original eC device went off market, revealing severe respiratory distress and lung lesions.
Researchers at University College London have discovered that chromium steel was first made in ancient Persia, dating back to the 11th century CE. The production of chromium crucible steel marks a distinct Persian tradition, separate from Central Asian methods.
Human hair is 50 times softer than steel yet can cause razor blade chipping and wear. Researchers found that the blade's microstructure and angle of approach to hair play key roles in initiating cracks.
Studies using realistic shaving experiments and in situ electron microscopy found that differences in cutting angle, microstructural variation, and location of variations contribute to blade failure. Implementing homogeneous microstructures at the cutting edge could be achieved through nanostructured alloys.
Researchers develop microrecycling strategy to convert e-waste into a strong, protective coating for metal. The new material combines copper and silica compounds to form a durable hybrid layer that increases steel hardness by 125%.
Scientists at Empa used 3D laser printing to produce materials with specific magnetic properties. By varying the size and lifetime of the melt pool, they were able to create alloy compositions with precise control over nitrogen content.
Researchers at the Technical University of Denmark have developed a new design for bridge girders that uses topology optimization to minimize steel use while maintaining strength. The design could lead to weight reductions of up to 28% and corresponding CO2 emissions savings of up to 20%.
Researchers at MPIE and RUB have found that anharmonicity and segregation affect interstitial ordering in Fe-C steels. The study's findings suggest a critical concentration range for the order-disorder transition, which can be precisely calculated using specific binding energy and defect information.
Researchers at HKU and Lawrence Berkeley National Lab have developed a new super D&P steel with an unprecedented strength-toughness combination, addressing safety-critical industrial challenges. The breakthrough results in a yield strength resistance of ~2GPa and superior fracture toughness of 102MPåm½.
The study evaluates impact response of ultra-high-strength concrete with different steel fiber contents and section heights. Increasing steel fiber content reduces damage by 30-50%, enabling enhanced building safety in high-rise buildings, bridges, and roads.
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.
A new unbonded carbon fiber reinforced plastic (CFRP) method for strengthening steel structures has been developed by researchers at Toyohashi University of Technology. This approach enhances buckling performance without the need for surface treatments, resulting in cost savings and improved structural integrity.
Researchers tested concrete floors with steel beams to understand fire behavior and structural failure. The study found that even well-designed structures can collapse due to extreme temperature shifts, highlighting the need for improved fire safety measures.
Researchers at North Carolina State University have demonstrated that composite metal foams can withstand extreme temperatures, passing the simulated pool fire test with flying colors. The material's performance was predicted using a model developed by the team, which showed accurate results within 10 degrees Celsius.
The new Boston building will be one of the largest residential wooden structures in the US, featuring a cross-laminated timber structure that eliminates most greenhouse-gas emissions. Its kit-of-parts approach and energy-efficient design make it a pioneering example of sustainable building in urban areas.
Researchers at the U.S. Army Combat Capabilities Development Command developed a new approach to analyze tribological response between steel and silicon nitride during high-speed sliding tests. The study found that frictional heating induces chemical reactions leading to lubricating thin films, reducing wear and friction.
A new study shows that buildings made from wood instead of cement and steel can avoid greenhouse gas emissions from production and store CO2, turning them into a powerful means to mitigate climate change. Sustainable forest management is crucial for this transition.
New research from Ohio State University reveals that high-level nuclear waste storage materials will degrade faster than expected due to their interaction. The study found severe localized corrosion of glass, ceramics, and stainless steel under certain conditions, posing significant challenges for the current storage model.
Researchers found hydrogen accumulates at microstructures in steels, weakening them and leading to catastrophic failures. The discovery of niobium carbide clusters that trap hydrogen offers a solution to design embrittlement-resistant steel.
Researchers from Aarhus University are developing a smart patch that can continuously monitor corrosion and steel reinforcement integrity in concrete structures. The goal is simple and cheap structural health monitoring everywhere.
Researchers from the University of Córdoba study found that carbonation and chlorides are two primary agents causing steel corrosion. The study cataloged parameters with varying degrees of influence, highlighting areas for future research to combat this issue.
Researchers at North Carolina State University have discovered a composite metal foam (CMF) material that surpasses traditional aluminum in leading-edge characteristics. The infused CMF exhibits improved contact angle, insect adhesion, and particle wear resistance, making it an attractive alternative for aircraft wing components.
Researchers found that cold temperatures are associated with luxury and status in products, but not in all categories. The study suggests that marketers can use small adjustments in temperature to influence perceived value and level of luxury for their products.
The study measures and sets guidelines for the use of ultra-high molecular weight polyethylene (UHMWPE) in bolted joints, revealing its tensile strength compared to high-strength steel. UHMWPE's unique properties make it an attractive material for various applications, including shipping, armour, and textiles.
Researchers from NUST MISIS created a unique composite material that can withstand temperatures up to 700°C, outperforming individual components in terms of microhardness. The material's multilayer structure, made possible by high-pressure torsion, enables improved thermal stability and strength.
Researchers from NUST MISIS created a thermodynamic database to optimize the development of new steel grades. The database allows for accurate calculation of phase composition, crystallization temperature and microstructure, reducing the time to search for new compositions to 1-2 months.
Scientists at Sandia National Laboratories discovered a triple junction formed by cementite and ferrite grains as the root cause of unpredictable corrosion in steel pipes. This finding could lead to new methods for forging pipe with reduced nanostructures, minimizing corrosion vulnerability.
Metal foam has been shown to effectively stop .50 caliber ball and armor-piercing rounds as well as conventional steel armor, achieving significant weight savings. The material's unique design allows for improved protection without adding substantial weight to vehicles.
Kanazawa University researchers develop a simulation method to optimize metal sheet stamping, reducing costs and improving part quality. The approach considers the shape of the blank shape and variable blank holder force trajectory to minimize twisting and tearing.
A new £35 million research network, SUSTAIN, aims to transform the UK steel sector by making it cleaner, greener, and smarter. The project will focus on two areas: zero waste iron and steelmaking and smart steel processing.
Researchers at PNNL use APT to trace oxidation-reduction reactions and create the first 3D atomic maps of iron oxide crystals. These 'atomic maps' reveal a dynamic iron cycle, showing iron atoms filling in potholes on crystal surfaces and driving growth.
Researchers at Oregon State University have developed a new, physics-based methodology to design bridge connections and steel bearings to better withstand tsunamis. Their study found that the transmission of forces to supporting substructures changes significantly with modifications to vertical and horizontal stiffness.
The EPFL study found that La Buvette combines several of Prouvé's innovations, including steel 'crutches', an unorthodox material combination, and innovative roof design. The researchers suggest renovating the site into a seasonal exhibition space with a focus on its water element.
Researchers at Utah State University have found that creating cavities in the water's surface can significantly reduce the initial impact force of objects entering a body of water. This phenomenon, known as 'free surface preparation,' has been tested with spheres and resulted in a 40-60% reduction in impact force. The study has potenti...
A simulation by researchers at the University of Michigan and others revealed that shockwaves can create loops in iron, which can strengthen or weaken steel depending on their placement. The discovery could help engineers design better radiation-resistant steel for reactors and potentially lead to stronger steel overall.
The study found that coordinated CAVs can stabilize traffic flow, reduce fuel use by more than 40 percent, and improve travel time. The team's results also explored the potential of CAVs to indirectly influence human-driven cars' performance. Additionally, researchers at ORNL studied neutron-rich nuclei, improving understanding of nucl...
Researchers from Empa and re-fer AG have developed a new building material called memory-steel, which uses shape-memory alloys to permanently prestress concrete structures. The material eliminates the need for hydraulic prestressing, reducing space requirements and making it suitable for confined spaces.
A £7 million funding has enabled the development of a 'virtual factory' to test and refine new steel alloys 100 times faster than traditional methods. This breakthrough allows for faster testing of small-scale samples, covering areas like strength, durability, and corrosion resistance.