Articles tagged with Lubricants
Researchers at SwRI have developed a reliable testing methodology to study stochastic pre-ignition in hydrogen-fueled internal combustion engines. The methodology provides insight into lubricant-initiated pre-ignition events and supports further work on mitigation strategies and commercial lubricants.
Engineers have developed a new class of nontoxic, biodegradable solid lubricants to replace existing toxic lubricants in modern farming equipment. The new lubricant reduces friction and prevents seed jamming, outperforming commercial talc and microplastic lubricants.
The SwRI H2-ICE2 consortium aims to refine the performance and efficiency of hydrogen internal combustion engine vehicles. The two-year program will test the vehicle's capabilities under various real-world conditions, with a focus on commercial viability.
Researchers at TU Wien developed COK-47, a powdery solid substance with remarkable capabilities, by combining organic and inorganic chemistry. In humid environments, the material forms a tribofilm that ensures extremely low friction, making it highly interesting for industry applications.
Researchers at Virginia Tech have discovered a new solid lubricating mechanism that can reduce friction in machinery at extremely high temperatures. The novel coating has the potential to make components from rockets to semiconductors more safe, durable, and cost-effective.
Researchers at KAUST have developed a new cooling system that extracts water from the air using gravity, eliminating the need for electricity. The system can double the rate of water collection compared to alternative technologies and offers significant energy savings.
Researchers from the University of Leeds and international partners have created an oil-free super-lubricant from potato proteins, achieving near zero friction. The material uses natural protein building blocks with a lower carbon footprint, opening doors for sustainable biomedical applications and low-calorie foods.
Researchers developed nontoxic, biodegradable, and high-performing lubricant additives for water power turbines using ionic liquids. The ILs demonstrated significant reductions in friction and equipment wear compared to commercial gear oils.
A novel aqueous lubricant technology has been developed at the University of Leeds, providing a longer-lasting solution for people with dry mouth conditions. The substance, composed of microgel and hydrogel, binds strongly to the surface of the mouth, reducing desorption and offering up to five times more effective relief.
A study published in PLOS ONE found that 35% of women with breast cancer used self-discovered or peer-recommended techniques to enhance their sexual function. These techniques fell into four main domains: pain reduction, intimacy and relationship enhancement, desire and arousal enhancement, and emotional coping.
A comprehensive review reveals that postmenopausal dyspareunia is a common condition with various causes, including lack of estrogen, cancer treatments, and musculoskeletal problems. Effective treatments are available, such as lubricants, vaginal estrogen, and fractional CO2 laser treatments.
Research explores how hyaluronic acid's molecular weight affects the joint lubricant in osteoarthritis. The study found that low molecular weight hyaluronic acid hinders the formation of an amorphous film, leading to increased wear on the cartilage surface.
Scientists at US national laboratories are developing new chemical recycling methods to make sustainable, high-quality plastic materials. They aim to transform plastic waste into valuable chemicals and reduce plastic pollution, paving the way for a circular economy.
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...
Researchers developed hydrophilic slipper surfaces that are both extremely slippery and water-attracting, countering conventional wisdom. These SLIC surfaces have potential applications in biomedical technologies and condensers, where they offer anti-fouling properties and improved efficiency.
A synthetic prophylactic gel developed at KTH Royal Institute of Technology has shown promising results in lab tests, with a 70% effectiveness rate against HIV and an 80% effectiveness rate against herpes.
Researchers have created a new slippery surface, LICS, that can rapidly generate surface charges and regenerate its state upon exposure to near-infrared radiation. This allows for precise control over droplet manipulation in various applications, including biomedical domains.
Researchers at the University of Pittsburgh unveiled the first visualization of friction at the atomic level, showing that it occurs regardless of surface smoothness. This discovery could lead to better lubricants and materials to minimize friction and wear in machinery.
Scientists at Chung-Ang University have pioneered a novel method for controlling microdroplet motion on solid surfaces using near-infrared light. This approach allows for more precise control than traditional thermal techniques and opens up new possibilities for applications in microfluidics, drug delivery, and self-cleaning surfaces.
A study by researchers at Pusan National University has investigated the relationship between surface structures and nanoscale friction in multi-layered CVD graphene. They found that only the top-most layer of graphene was twisted with respect to the rest, affecting layer-dependent nanoscale friction.
Researchers have found that Tesla's patented valve can control flows and generate turbulence at low speeds, making it a potential alternative to conventional check valves. The device can harness vibrations in engines to pump fuel, coolant, lubricant, or other gases and liquids.
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 create liquid-lubricant surface that encourages tiny water droplets to move spontaneously into larger droplets, enhancing water harvesting. The 'coarsening droplet phenomenon' facilitates rapid collection of water droplets, clearing surfaces for new condensation.
A team of researchers from the University of Houston found that the asthenosphere, a hot and softer layer beneath tectonic plates, is flowing vigorously, driving plate motions. This 'river of rocks' has been actively flowing for eight million years, shaping the Earth's surface and influencing earthquakes.
Researchers from Imperial College London found that non-absorptive creams and powders like talcum powder and coconut oil-cocoa butter mixtures are most effective in providing long-lasting skin protection for PPE wearers. These products create a protective layer between skin and PPE, reducing friction and shear injuries.
A team of researchers from Korea Advanced Institute of Science and Technology and Pohang University of Science and Technology developed a lubricant-infused slip surface to reduce friction in ships. They found that larger open areas lead to a more slippery surface, while lid thickness has little effect on slip.
Researchers develop Salvinia-like slippery surface with stable water/air contact line, exhibiting increased stability against pressure and impact. The surface also enhances the mobility of water drops and reduces hydrodynamic drag.
Samara Polytech scientists develop new high-temperature lubricants with esters from adamantane derivatives for improved thermal stability. This breakthrough increases flight safety in aviation and space facilities.
Researchers at Kanazawa University developed a robot control system that uses soft fingertips to grasp and release objects, reducing friction under both dry and wet conditions. The system involves injecting a lubricant to reduce friction and enable precise placement of objects.
A team of researchers has developed a strategy to produce renewable lubricant base oils from non-food biomass and fatty acids, offering a more efficient and environmentally friendly alternative to traditional lubricants. The new method uses catalysis to synthesize the base-oils with tunable properties, making them suitable for a wide r...
Researchers at RiKarbon create a bio-based oil from plant scraps and natural oils to replace petroleum-based products in cosmetics, lubricants, and renewable energy. This eco-friendly oil reduces carbon footprint and minimizes pressure on petroleum resources, offering a sustainable solution for industries.
Researchers at NUST MISIS have developed a new technology to simplify hot rolling of seamless pipes made from alloy and high-alloy steel. The innovation uses a two-stage method with lubricant and coolant, significantly improving tool lifespan and production efficiency.
IUPUI researchers identified a unique compound in the seed oil of the February orchid, which could lead to the development of environmentally friendly lubricants. The discovery provides clues as to what makes the seed oil a superior lubricant, demonstrating better friction and wear reduction.
The Argonne team discovered that sulfur diffusion breaks down nanodiamonds into onion-like carbon, creating a superlubricant with friction 10 times lower than some nonstick coatings. The new lubricant can be used in various industries, including wind turbines and magnetic disc drives.
Scientists at UT Dallas created a surface that can capture and direct water droplets from fog and air vapor, rapidly directing them into reservoirs via lubricated microgrooves. The 'hydrophilic directional slippery rough surfaces' (SRS) use hydroxy functional groups to efficiently capture water droplets.
A collaborative project is underway to develop non-animal test methods to replace the Rabbit Vaginal Irritation test for personal lubricants. Human in vitro tissue models may be used as a replacement, reducing animal testing and promoting more accurate assessments of product safety.
Researchers have developed a new contact lens coating made from a molecule found in pig stomach mucus, which can prevent tissue damage caused by dry eyes. The coating is long-term protective and requires no repeated applications, offering an alternative to existing hyaluronic acid products.
Researchers at Argonne National Laboratory have developed a graphene-nanodiamond lubricant that reduces friction to nearly zero, allowing for increased efficiency and reduced wear in industries such as wind turbines and computer hard disks. The technology has shown promise in reducing friction by six times and wear by ten thousand time...
Researchers discovered a new formation mechanism of cavitation bubbles by simulating the influence of oil-repellent and oil-attracting surfaces on passing oil flows. The study found that alternating surface properties can lead to cavitation, which may have both positive and negative effects on materials.
Researchers at EBI create a new process to produce drop-in aviation biofuels with superior cold-flow properties, density and viscosity. The process yields jet fuel or lubricant base oils with up to 80-percent net life-cycle greenhouse gas savings.
A new study published in Nature Geoscience reveals that a universal sliding mechanism operates for earthquakes of all depths. The research, led by UC Riverside geologists, suggests that both shallow and deep earthquakes share the same physics once started.
Over 90% of gay and bisexual men in the US have used lubricants for anal intercourse and other activities, minimizing skin tears and potential HIV transmission. Public health practitioners can use these findings to promote routine lubricant use as a key aspect of sexual health interventions.
Researchers developed a low-friction two-component lubricant inspired by biological lubrication, achieving a 90% reduction in friction compared to traditional polymer brushes. The new process has potential applications in piston systems, axle bearings, and hinges.
A new strategy using a 'ditty bag' of condoms and lubricants, along with homework assignments, improves condom use among young men who have sex with men. The study found increased motivation to use condoms correctly and consistently, as well as better fit-and-feel issues.
Researchers used the Secondary Ion Mass Spectrometer to examine the role of water in single olivine crystals at the near-atomic scale. The study found that water has a much lower effect on the mechanical weakening of olivine, challenging earlier concepts about its lubricating properties.
A new study published in The Journal of Sexual Medicine found that sex is rated as highly arousing and pleasurable regardless of condom and lubricant use. The research, led by Debby Herbenick, PhD, MPH, reveals few differences between men and women in their ratings of sexual quality with or without these products.
Researchers at MIT have developed a new surface architecture that significantly improves the performance of condensers, turning steam back into water in powerplants. The design boosts hydrophobic surfaces, allowing droplets to move 10,000 times faster and increasing efficiency.
Researchers have developed new rectal-specific lubricants that can help protect against HIV and other STIs when used with condoms. These lubricants, which combine microbicidal properties with condom use, are currently being tested in clinical trials.
Researchers at Indiana University found that using lubricant during sex significantly increases women's ratings of sexual pleasure and satisfaction. The study also showed that water-based lubricants are associated with lower rates of genital pain and fewer genital symptoms overall.
New research from the Microbicide Trials Network indicates that some lubricants have toxic effects on cells and rectal tissue. The study's findings support IRMA's calls for safer lubricant options, emphasizing the importance of condom use with compatible lubricants to prevent HIV transmission.
Research suggests that using lubricants during receptive anal intercourse can increase the risk of rectal sexually transmitted infections (STIs), including HIV. A study involving nearly 900 men and women found that those who used lubricants were three times more likely to have a rectal STI.
A study by Indiana University found that using lubricants during sex significantly improves the pleasurable and satisfying aspects of sexual activity for both men and women. The research also showed that vaginal tearing is rare when lubricant is used, occurring in less than 1% of cases.
A team of researchers has developed an environmentally-friendly lubricating grease based on ricin oil and cellulose derivatives, providing a 100% biodegradable alternative to traditional industrial lubricants. The new formula offers improved environmental performance and is easier to process than conventional greases.
Researchers have discovered a potent inhibitor of HPV infection in the compound carrageenan, found in sexual lubricants and baby food. The study suggests that carrageenan could be effective in preventing HPV-related genital disease, complementing existing vaccines and treatments.
Researchers at NIST have developed a method to improve the efficiency of water chillers in large commercial buildings. By adding small amounts of oil additives to refrigerants, they claim to increase cooling capacity similar to a heat pump.
Researchers at the University of Illinois have developed a novel polyester lubricant called SHP that improves computer hard drive performance and lasts longer. The lubricant, which has good adhesion properties, shields the disk from damage during contact with the head, allowing for faster reading and writing.
Researchers have found that alcohols, which are not typically considered good lubricants, can work effectively in tiny machines. The discovery could lead to the development of gas-delivered liquid thin films that regenerate sensors and allow recycling of air bag mechanisms, improving efficiency and reducing power dissipation.
Graphite exhibits superlubrication when layers rotate relative to each other, reducing resistance and enabling smooth sliding. A new friction force sensor allows researchers to study this phenomenon, which could improve the lubricating qualities of graphite.
Researchers at Penn State have discovered that adding as little as 10% vegetable oil to diesel fuel reduces friction and wear, achieving similar performance to high-sulfur diesel. The team's tests also showed that oxygen-treated vegetable oil mixtures can meet current emission regulations with minimal oil usage.
Researchers at Ohio State University have created a new method for shaping metal using magnetism, eliminating the need for industrial lubricants. The 'bump forming' technique increases the depth of metal parts by up to 47% while reducing production costs and environmental impact.