Articles tagged with Corrosion
Researchers at MIT have developed a new system to extend the shelf life of single-use metal-air batteries by introducing an oil barrier that protects the aluminum electrode from corrosion. The design has shown a thousandfold improvement in energy loss, enabling batteries to last up to 24 days without degradation.
Under dim light conditions, cyanobacteria divide asymmetrically to produce short daughter cells. The Min system's oscillation pattern changes depending on cell length, allowing bacteria to survive in stressful environments.
Researchers used hyperspectral imaging to analyze a bronze statue by Auguste Rodin, detecting corrosion products brochantite and antlerite. The technique revealed non-uniform distribution of the compounds, which could be missed with traditional sampling methods, providing valuable information for preservation.
Researchers analyzed oxide films at atomic level to understand their impact on metal corrosion. The team found that the growth rate of oxide films determines their structure and composition, enabling new ways to protect metals.
A recent Arizona State University study reveals that intergranular stress-corrosion cracking can occur independently of simultaneous stress and corrosion, highlighting the need for new corrosion-resistant alloys.
The study suggests that climate change, particularly volcanic activity and extreme weather events, contributed to the growth and decline of the ancient Turkic Khaganate. The researchers used tree-ring chronologies, ice core data, and Chinese dynastic chronicles to analyze the effects of climate change on the empire's development.
Researchers at Chalmers University of Technology have made significant breakthroughs in understanding how alloys behave at high temperatures. The new findings provide a better understanding of the role of reactive elements and water vapour in promoting the growth of an aluminium oxide scale, leading to faster-growing, nanocrystalline o...
A team at TUM has shown that phase separation is an efficient way of selecting and stabilizing chemical building blocks, allowing them to survive longer. This process can be used to create self-replicating information carriers with life-like properties.
A team of researchers found that an ultrathin layer of aluminum oxide can flow like a liquid, filling cracks and gaps as they form. This discovery could provide a protective barrier to prevent further oxidation and corrosion in metals, particularly in applications such as fuel-cell cars and nuclear power plants.
Researchers from Graz University of Technology have developed a holistic solution using geopolymer concrete to resist microbial induced concrete corrosion (MICC), a common issue in wastewater treatment facilities. This approach has shown promising results in reducing the lifespan of damaged systems and extending their service life.
Researchers have made breakthroughs in understanding how rust fungi infect crops and evolve virulence using latest genome sequencing technologies. The study uncovered high levels of genetic diversity between the two chromosome copies, which likely serves as the basis for rapidly evolving new rust strains.
Researchers examined artificial joints used for total hip replacement and found ceramic components experience less corrosion than cobalt-chromium. The findings suggest improvements to artificial joints for better outcomes.
Researchers have isolated the first rust pathogen gene that wheat plants detect to 'switch on' resistance, allowing for faster DNA testing and prioritizing resistance genes. The breakthrough could save crops from being destroyed by devastating diseases, threatening food security globally.
A team of experts has identified a gene that triggers resistance in wheat to the devastating fungal pathogen Puccinia graminis f. sp. tritici (Pgt). The breakthrough allows for DNA testing to identify whether a rust strain can overcome a resistance gene, enabling targeted treatment and reducing crop devastation.
The University of Texas at San Antonio is partnering with Southwest Research Institute to develop innovative technologies for corrosion and energy projects. The two projects will focus on mitigating cracking and corrosion in piping and transportation systems.
A team led by ecologist Lindsey Rustad sprays water over a portion of forest during an ice storm, simulating the event and studying its effects on forest health. They find that light icing can be beneficial for forests, thinning out branches and allowing new growth.
The article attributes Trump's victory to a rejection of the Democratic Party by working-class voters in the Rust Belt, citing institutions like labor unions as key factors. The author argues that regional characteristics and institutions connected these voters to national politics, explaining unusual voting behavior in 2016.
Researchers at NREL are developing nickel-based coatings to mitigate corrosion levels in CSP plants, which could improve system efficiency and extend lifespan. The coatings have shown a 96% reduction in corrosion rate compared to uncoated steel, with potential applications in thermal storage and heat-transfer fluid.
Researchers used the Surface Forces Apparatus to investigate crevice and pitting corrosion in confined spaces. They observed intense local corrosion resulting in sudden pit formation, highlighting the complexity of the process and its dependence on electric potential difference.
Research suggests that soybean rust spores can travel long distances and reach the Midwestern crop earlier in the season, posing a threat to the region's soybean fields. Environmental factors like humidity, moisture, and wind speed influence short-distance movement of the disease.
A new study from the University of California San Diego suggests that the moon's interior is likely very dry, contradicting recent findings of wetness. The researchers analyzed fragments of the 'Rusty Rock,' a lunar rock collected during the Apollo 16 mission in 1972.
Researchers analyzed zinc, chlorine, and lead in 'Rusty Rock' to find volatile elements condensed during the moon's early formation. The findings suggest a depleted lunar interior with reduced volatile compounds, including water.
Researchers at Stanford University have discovered two semiconductors that can form high-quality insulators when exposed to oxygen, a trait shared by silicon but not other semiconductors. The new materials can be shrunk to atomic thinness and require less energy than silicon circuits, making them ideal for future devices.
Researchers at the University of Michigan found a Swiss cheese pattern in Flint's damaged drinking water pipes, revealing a significant amount of missing lead. The team estimated that each lead service line released 18 grams of lead during the 17 months the city received Flint River water.
Researchers at Oregon State University have developed a new computational method to predict metal reactions with water, enabling faster and more accurate predictions of corrosion. The method combines two techniques and can be applied to various applications, including bridge design and aircraft engine development.
Researchers have developed a novel method to create stable and low-cost electrodes from discarded stainless steel mesh, ideal for potassium-ion batteries. The new electrode design uses a waste material to store potassium ions, overcoming the limitations of sodium ion batteries.
The University of Texas at Arlington team will inspect 350 concrete manhole shafts for corrosion, measuring hydrogen sulfide and other parameters to prioritize protection. The study aims to develop a system for prioritizing manhole protection, benefiting the city's infrastructure and water engineers.
Dr. Anil K. Rustgi has received the 2017 Julius Friedenwald Medal from the American Gastroenterological Association for his significant contributions to all aspects of gastroenterology, including research and clinical medicine. He is a leading expert in GI cancers and pre-cancerous changes.
Researchers at NIST have developed a non-invasive terahertz detection method to identify early-stage corrosion in steel-reinforced concrete structures, potentially saving billions of dollars in maintenance costs.
Researchers discovered ancient methane-producing microbes thrived in rust-rich environments, escaping to the atmosphere and trapping heat. This finding challenges previous theories on greenhouse gas production during the early Earth's formation.
Researchers suggest ancient ocean had green rusty mineral, green rust, which could have delivered substantial proportion of iron to early ocean sediments. Green rust forms under low oxygen conditions and can transform into iron oxides over time.
Swansea University has won two Royal Society awards for its innovative research on reducing corrosion in steel and improving furnace efficiency. The team developed a smart release coating that outperforms the current market leader in laboratory tests and can last up to 12 times longer in delaying corrosion.
Researchers have identified three new uranium minerals, leesite, leószilárdite, and redcanyonite, found growing on the walls of old uranium mines in southern Utah. These minerals provide valuable insights into the chemistry and structure of uranyl compounds and their interactions with the environment.
Researchers analyzed galvanized iron pipes from Flint, Michigan's 'ground zero' house and found that high lead concentrations correlated with cadmium, zinc, and tin levels. The study suggests that corrosion inhibitors were necessary to prevent lead contamination, highlighting the need for long-term pipe replacement.
A team of researchers from Swansea University has made a breakthrough in reducing corrosion by developing a new method that outperforms existing products. The new coating lasts up to 12 times as long and is 20 times faster than current methods.
New evidence from meteorites on Mars indicates a lasting drought on the planet, making it difficult for life to exist today. The study calculates a chemical weathering rate that shows rust formation takes thousands of times longer on Mars than in driest deserts on Earth.
A study by the University of Maryland and Georgetown and Cornell Universities found that free amenities like Wi-Fi and bottled water can be profitable for hotel brands, but their effectiveness varies across brands. In contrast, fitness centers were found to have a negative ROI due to high installation costs.
Researchers have demonstrated graphene coating can protect glass from corrosion, preserving transparency and strength. The graphene coating prevents the adsorption of water on the glass surface, reducing dissolution of silicate structures.
A team from Swansea University has developed a new 'smart release' corrosion inhibitor for coated steel products, outperforming hexavalent chromate in laboratory tests. The technology could lead to significant market share and is environmentally sound, economical, and safer.
Drexel materials scientists have created a boride material that resists oxidation at extremely high temperatures, thanks to its nanolaminated structure and protective aluminum oxide coating. The material's unique behavior has potential applications in harsh environments, such as combustion engines and cutting tools.
A new study from the University of Maryland finds that firms with a dual-emphasis strategy in IT, combining revenue growth and cost-cutting, have a clear advantage in terms of market value. At higher levels of IT investment, this approach pays off even more, making it an increasingly important consideration for digital strategy.
Researchers at Saarland University are developing a new approach to prevent programming errors in web browsers, focusing on the Rust programming language. The team aims to eliminate remaining security vulnerabilities through mathematical correctness proofs, with funding from the European Research Council.
A team of Northwestern University engineers has created a new way to print three-dimensional metallic objects using rust and metal powders, expanding the types of metals, alloys, and architectures that can be additively manufactured. The method uses liquid inks and common furnaces, resulting in a cheaper, faster, and more uniform process.
Researchers designed synthetic microbes to learn what drives the bacterial circadian clock and how it might be manipulated. The findings indicate that the cyanobacteria's clock can synchronize to metabolism outside of photosynthesis, suggesting potential applications in engineered microbes.
Researchers have identified more than 300 species of fungi living on coffee leaves, including 15 likely fungal parasites that could be used to combat coffee rust disease. The study suggests using natural enemies to prevent the spread of the disease rather than relying on chemical control.
A new report by the University of Minnesota-led team reveals that stripe rust poses a significant threat to the world's wheat supply due to inconsistent funding for research. The disease has expanded its range, affecting 26 states in the US and threatening 88% of global wheat production.
Marc Edwards, a renowned expert on municipal water quality, is studying severe iron and lead corrosion in Flint's water system. The investigation aims to understand the 'perfect storm' of problems affecting residents, including high levels of lead in tap water.
Scientists found that wheat pathogen causing yellow rust epidemics in Europe originated in the center of diversity in the Himalayan region. This can lead to significant impact on wheat production, especially organic farming in Denmark. Resistant crop varieties are crucial for disease management.
Researchers discovered that aluminum atoms involved in forming oxide stripes come exclusively from the steps, not the terraces. The growing oxide stripes are confined to the flat terraces and must push the steps away as oxygen continues to grab aluminum atoms from the edges.
Researchers at Washington State University have identified specific genes in barley that enable the plant to live longer and become more tolerant of stress, including disease. These findings could lead to the development of crop breeding programs that slow aging and increase yields without genetic engineering.
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.
Ancient insect inclusions in Baltic Sea amber reveal a surprising similarity with Asian forms, dating back 40-50 million years. This discovery fills a long-standing gap in the understanding of species migration between continents.
Researchers at the University of Leicester discovered that human sweat can corrode brass objects' antimicrobial properties within an hour of contact. This corrosion reduces their effectiveness in killing bacteria and other microorganisms.
Researchers analyzed bacterial diversity and gas concentrations in sewer systems to determine which sites are at higher risk for corrosion. By monitoring hydrogen sulfide and carbon dioxide levels, wastewater utilities can prevent major damage and costly repairs.
Researchers at JCAP devise a method to protect common semiconductors like silicon and gallium arsenide from corrosion in solar-fuel generators. They use a process called atomic layer deposition to form a protective layer of titanium dioxide, allowing the materials to absorb light efficiently while preventing corrosion.
Researchers suggest that traditional shade-growing techniques and natural fungal enemies can help control coffee rust. Abandoning these methods may exacerbate the problem, and a return to more sustainable practices could be an effective way to manage the disease.
A team of researchers has developed an x-ray diffraction technique to measure structural changes in microscopic areas on metallic tubing, allowing them to identify areas under local tensile stresses. This new technique has the potential to predict crack propagation and prevent costly failures in nuclear power plants.
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 found ozone, UV, and humidity significantly impact silver's corrosion rate. By understanding these factors, new models can predict atmospheric corrosion rates and improve performance. The study also aims to explore other metals' corrosion behavior.
Researchers explored cathodic protection's applicability in permafrost regions, finding it may offer long-term protection when combined with high-performance coatings. The study aimed to overcome high electrical resistance frozen phases.