Articles tagged with Corrosion
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Scientists develop corrosion-resistant alumina-forming ferritic alloys that exhibit outstanding mechanical properties and oxidation resistance, potentially transforming energy systems and nuclear reactors. These materials offer economic feasibility while maintaining high reliability and could accelerate adoption in practical applications.
Southwest Research Institute (SwRI) will predict F-16 landing gear component lifespan and recommend maintenance improvements under a $9.9 million contract. The seven-year agreement leverages SwRI's aging aircraft expertise in probabilistic analysis, fatigue testing.
Researchers found that repeated freeze-thaw cycles can damage biochar and release heavy metals such as zinc, copper, and lead. Biochar made at higher production temperatures were more vulnerable to cracking and oxidation during freeze-thaw stress.
Researchers developed an AI-based method to analyze microscope images of corroded metal surfaces, estimating corrosion severity without human input. The technique focuses on two critical indicators: corrosive deposit thickness and porosity, identifying specific pH levels that indicate severe corrosion stages.
Researchers at the Hebrew University of Jerusalem have developed a highly effective dual-layer coating that protects iron from rust with 99.6% efficiency. The breakthrough combines an ultra-thin molecular primer with a durable polymer layer, creating a strong and long-lasting barrier against corrosion.
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...
Scientists used radiation-induced reactions to convert corrosive Cr³⁺ to less-corrosive Cr²⁺, potentially mitigating metal alloy corrosion in molten salt nuclear reactors. The findings could improve the long-term reliability of these new reactors.
A POSTECH research team has developed a new catalyst using aluminum, improving the performance of hydrogen production in alkaline water electrolysis by approximately 50%. The aluminum catalyst maintained high current density and excellent stability, making it suitable for large-scale hydrogen production.
A GEOMAR study detects high levels of munitions chemicals in Baltic Sea water samples, with concentrations approaching critical levels. The contamination is expected to increase without removal action, posing a long-term environmental risk.
A team of researchers at SLAC National Accelerator Laboratory and Leiden University identified the cause of platinum electrode corrosion in water electrolyzers. Using high-energy-resolution X-ray spectroscopy techniques, they found that platinum hydride formation is responsible for the degradation.
The U.S. Naval Research Laboratory's four PECASE recipients made groundbreaking contributions to next-generation energy storage and solid fuel combustion, expanding the nation's energy density portable energy storage capabilities and optimizing propulsion systems.
Researchers have developed a new type of electrode that enables efficient and cost-effective biomass upgrading through corrosion, which can produce environmentally friendly chemicals and fuels. The CoCuMW/CF electrode showed a remarkable HMF conversion rate of 95.7% and a BHMF yield of 85.4%.
A new buried interface engineering strategy has been proposed to stabilize zinc anodes in aqueous zinc-ion batteries. The approach involves embedding a zincophilic Sn layer within a corrosion-resistant ZnS layer, which accelerates zinc deposition and shields the anode from corrosion.
Researchers at King's College London have developed a complex model of molecular 'wear-and-tear' that sheds light on how proteins age. The study found that chromatin, the DNA-protein mix, is more resilient to aging than previously thought, suggesting new avenues for anti-aging treatments.
Researchers at Max Planck Institute for Sustainable Materials have developed a novel method to create lightweight, nanostructured porous martensitic alloys by harnessing dealloying and alloying processes. The approach enables CO2-free and energy-saving production of high-strength materials.
Scientists at University of California - Riverside discovered a chemical produced by plants that prevents bacterial biofilm formation. This breakthrough offers potential advances in healthcare and industrial settings, where biofilms cause significant problems.
Researchers tested ODS FeCrAl alloys in a liquid LiPb environment and found that they form durable γ-LiAlO2 layers, which provide strong resistance to corrosion. The study's findings are crucial for improving material durability in fusion reactors and high-temperature energy systems.
Engineers from RMIT University have invented a protective coating for concrete pipes that can help drastically reduce the formation of fatbergs in sewers. The coating reduces build-up of FOG on concrete by 30% and is stable in water, withstanding temperatures up to 850 degrees Celsius.
Three Ph.D. students and a postdoctoral researcher from Texas A&M are working on RTE projects to create new materials for future nuclear reactors. They are using the Texas A&M Accelerator Laboratory and Idaho National Laboratory to irradiate material, creating voids that can help understand swelling in nuclear reactors.
A new study by University of Southern Denmark researchers reveals that microbes cling to iron surfaces using sticky enzymes, extracting nutrients without wasting energy. This efficient corrosion method poses environmental concerns due to methane production and potential climate change implications.
Researchers at Osaka Metropolitan University developed a machine learning-based deicer that offers higher performance while minimizing environmental harm. The new mixture of propylene glycol and sodium formate solution shows improved ice penetration capacity, reducing the need for substance use.
Researchers found that bubbling olive products before oil extraction decreases oil quality. The study measured absolute phenolic compounds, antioxidant capacity, and acidity levels in bubbled oil (BO) compared to virgin olive oil (VOO). BO had lower antioxidant properties and higher acidity levels than VOO.
Researchers at Binghamton University have developed a new 3D printing technique that uses nanotubes to reinforce additively manufactured metals, making them stronger in corrosive environments. The technique has the potential to revolutionize the field of metal manufacturing and increase U.S. competitiveness.
Researchers led by Gavin Sacks found that molecular sulfur dioxide levels are key to preventing the rotten egg smell in canned wine. The team recommends maintaining low levels of SO2 and using epoxy liners to minimize hydrogen sulfide production. This could improve the aroma and lifespan of canned wines.
A recent study by University of Hawaii at Manoa researchers highlights the hidden threat of global underground infrastructure vulnerability to sea-level rise. Shallow and saltier groundwater exacerbates corrosion and failure of critical systems such as sewer lines, roadways, and building foundations in cities worldwide.
Researchers at Duke University used nanoscale visualization techniques to study corrosion in electrolyzers used to produce green hydrogen. The study reveals that rare metal catalysts break down quickly due to acidic environments, but also identifies potential strategies to minimize these defects and extend the devices' lifetimes.
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.
A new bifunctional water electrolysis catalyst made from ruthenium, silicon, and tungsten enables the efficient production of high-purity green hydrogen. The catalyst demonstrates exceptional durability in acidic environments, making it an attractive alternative to traditional precious metal catalysts.
Researchers at Binghamton University have used environmental transmission electron microscopy to study the atomic-level mechanisms of water vapor-induced surface passivation. They discovered a second amorphous layer that diffuses oxygen into the substrate, indicating a transport mechanism that slows down corrosion.
A team of researchers has developed a stable, long-lasting superhydrophobic surface with a plastron that can last for months underwater. The surface repels blood and prevents the adhesion of marine organisms, making it valuable for biomedical applications such as reducing infection after surgery.
Researchers have developed a compact α-Al2O3 protective layer that can stick to metal surfaces, providing outstanding protection in high-temperature liquid metal environments. The layer's unique structure and properties promote adhesion strength and resist peeling, making it an innovative solution for extending the service life of liqu...
Researchers found that bacteria with electrically conductive protein threads can corrode iron anaerobically, producing magnetite that facilitates further corrosion. The discovery has significant implications for corrosion protection and suggests taking material properties into consideration.
Scientists at Max-Planck-Institut für Eisenforschung developed a machine learning model that enhances predictive accuracy in alloy design, uncovering new corrosion-resistant compositions. The model combines numerical and textual data, enabling the identification of optimal alloy formulas.
Researchers at Worcester Polytechnic Institute discovered a new redox chemistry empowered by chloride ions for the development of seawater green batteries. This technology leverages abundant elements such as iron oxides and hydroxides, potentially repurposing iron rust waste materials for modern energy storage.
Researchers developed a fast and affordable test to predict cement durability using computer vision, which can analyze water droplet absorption on surfaces. The new test is less tedious than current methods and could help the cement industry improve quality control.
Researchers from GIST have developed a hydrotropic-supporting electrolyte to enhance the solubility of organic redox molecules in aqueous systems. This improvement enables the creation of high-energy-density electrochemical capacitors with potential applications in redox flow batteries.
A new study from Harvard T.H. Chan School of Public Health estimates that regulations reducing lead and copper contamination in drinking water generate $9.2 billion in health benefits annually, exceeding the EPA's public estimates by an order of magnitude. The analysis also reveals at least $2 billion in infrastructure benefits, bringi...
A team of researchers at Binghamton University partnered with Brookhaven National Laboratory to investigate copper oxide peroxides and their effects on oxidation reactions. They used two spectroscopy methods to observe changes in the surface of copper oxide and found that peroxides enhance H2 oxidation but inhibit CO oxidation.
Researchers at Texas A&M University have identified a new circuit element called the meminductor, which exhibits memory-like properties. The discovery was made using a two-terminal passive system and proved the existence of meminductance in an inductor circuit element.
Researchers at UChicago develop a more efficient and less toxic method to create MXene material, enabling new applications in electronics and energy storage. The breakthrough allows for the production of large amounts of materials with minimal waste, paving the way for innovative technologies.
Researchers at Aarhus University are studying electro-trophic microorganisms that convert green electricity and CO2 into high-value products. The project aims to understand the underlying mechanisms of these microbes, which could lead to breakthroughs in microbiological Power-to-X and novel tools for microbial corrosion prevention.
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.
Researchers at the University of São Paulo developed a portable, flexible copper sensor that can detect heavy metals like lead and cadmium in sweat. The device is made from ordinary materials and is simple to produce, making it accessible for non-specialists and technicians.
The UCF-developed battery uses saltwater as an electrolyte, eliminating volatile solvents and overcoming limitations of previous aqueous batteries. The novel design allows for fast charging in just three minutes and increased stability, making it a safer and more efficient alternative to traditional lithium-ion batteries.
A study analyzed the potential of a bacterium to combat coffee rust, a major challenge for Brazilian coffee growers. The researchers found that the bacterium produces antibacterial and antifungal compounds, as well as proteins associated with protection against water stress, making it a promising candidate for biological control.
A Rutgers study of 86,964 adults with obesity and NAFLD found that bariatric surgery reduced the risk of major cardiovascular events by 49% compared to nonsurgical care. This is significant because heart disease is a leading cause of death in the US, and NAFLD can lead to liver damage and inflammation.
Researchers found chlorobenzenes in a corroded Roman bowl dated to the Late Iron Age, which may pose a threat to archaeological preservation due to pollution in soil. Soil polluted with chlorobenzenes can lead to increased corrosion and damage to ancient artifacts.
Researchers at Oak Ridge National Laboratory have developed low-temperature methods to purify molten chloride salts for energy storage, potentially making them suitable for storing solar thermal energy. They also created an online tool called VERIFI to track industrial carbon emissions and improve energy efficiency.
A new study examines the impact of sea level rise on building foundations and proposes a method for inspection and repair to lower costs. The researchers estimate that the annual repair cost for foundations in Mobile, Alabama, could total $90 million by 2100.
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.
A new 'self-healing' anti-corrosion coating has been developed, which can repair microcracks and protect metal from erosion under solar irradiation. The coating's performance is verified to be maintained above 99% regardless of the repair, making it suitable for outdoor facilities.
Researchers used terahertz imaging to uncover a hidden inscription on a 16th-century lead funerary cross, revealing the Lord's Prayer. The technique allowed for non-destructive examination of the corrosion layer, enabling the team to restore and enhance images containing the text.
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 Pusan National University have developed oxidation-resistant copper thin films, which could potentially replace gold in semiconductor devices. The films' flat surface reduces the growth of copper oxides on its surface, making them resistant to corrosion.
A team of scientists from Tokyo Institute of Technology and Japan have identified CVD-SiC and FeCrAl alloys as compatible with liquid LiPb at high temperatures. The findings provide crucial information for the development of sustainable fusion reactors.
Researchers at Rice University found that iron itself plays a role in its own corrosion when exposed to supercritical CO2 and trace amounts of water. Thin layers of 2D materials like graphene can serve as a barrier to prevent corrosion.
Researchers at Pusan National University discovered that tempered glass is more resistant to water-promoted fracture growth than annealed glass. The study found that water droplets penetrate microcracks in glass surfaces, dissolving silicon-oxygen bonds and degrading mechanical strength.
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 new device has been developed that converts sunlight into two promising sources of renewable fuels – ethylene and hydrogen. The researchers found that by optimizing the working conditions for cuprous oxide, a promising artificial photosynthesis material, they can create a more stable system.
A new study from the University of Bath is shedding light on the behavior of saline solutions under extreme conditions, a crucial step towards carbon storage in deep-sea aquifers. The research uses neutron diffraction to examine the interaction between salt ions and water molecules at high pressures and temperatures.