Articles tagged with Foams
Researchers at Penn State developed a new composite material that can efficiently harvest mechanical and thermal energy using a 3D piezoelectric ceramic foam supported by a flexible polymer. The material outperforms traditional piezoelectric composites, offering improved flexibility and energy output.
Researchers at North Carolina State University have developed a new material, stainless steel composite metal foam (CMF), that offers much more protection than existing armor materials while lowering the weight remarkably. The CMF can block blast pressure and fragmentation from high-explosive incendiary rounds with minimal weight loss.
NYU Tandon researchers have developed a new method for manufacturing lightweight syntactic foams using 3D printing. The breakthrough could enable the creation of complex parts that can withstand stresses at greater depths, benefiting submarines. The filaments were made with recycled fly ash and high-density polyethylene plastic.
A new article highlights responsible strategies for managing end-of-life foams and plastics containing harmful flame retardants. Researchers emphasize the need for proper disposal and recycling methods to minimize health risks from environmental exposure.
Researchers at UC Davis developed a simplified method to produce extremely low-density palladium nanofoams, which have potential applications in hydrogen fuel cells. The new technique achieves high loading capacity and excellent thermodynamic stability, making it an ideal candidate for industrial-scale use.
Researchers at Brigham Young University have developed a nano composite smartfoam that measures the impact of hits via electrical signals, collecting data in real time to determine impact severity and location. The technology has shown 90% accuracy in measuring concussion risks, revolutionizing football safety protocols.
Researchers at ETH Zurich have discovered a way to control Ostwald ripening in foams, which causes undesirable changes in texture and weakens product performance. By using networked particles as stabilizers, they can prevent or stop this process, leading to more effective and controlled foam stability.
Sandia researchers focus on decontamination foam development and sampling methods to determine contamination extent. The Underground Transport Restoration project explores subway system cleaning protocols and testing new decontamination methods in a mock system.
A common type of flame retardant was associated with reduced likelihood of clinical pregnancy and live birth following IVF. Women with higher urinary concentrations of a specific flame retardant had lower reproductive success rates.
Researchers at Rice University have developed a new material that can absorb up to 340% of its weight in carbon dioxide, making it a promising solution for capturing greenhouse gases. The boron nitride foam is highly porous and can be tuned for specific applications.
Researchers from Rice University and China's Tianjin University have successfully created centimeter-sized objects of atomically thin graphene using 3D laser printing. The new method eliminates the need for high-temperature chemical vapor deposition treatment, enabling mass production of bulk graphene with controlled pore size.
A team of researchers has developed a way to convert plastic components from end-of-life vehicles into foams using coconut oil and microwaves. The process creates a stable and high-temperature-resistant material suitable for construction and insulation applications.
A new bioactive foam can be molded to fit irregular skull defects, attracting bone cells to naturally regenerate bone. The foam hardens in place, providing a low-cost alternative to current bone grafts.
Researchers found that adding a soft foam layer to shoulder pads reduces the severity of shoulder-to-head impacts, resulting in a 25% decrease in linear acceleration and 12% reduction in rotational velocity. This innovation has potential to prevent brain injuries in ice hockey.
New research from Brown University suggests that lunar volcano Ina is actually around 3.5 billion years old, not within the past 100 million years as previously thought. The feature's youthful appearance was attributed to its porous surface, created by magmatic foam, which hides regolith buildup and skews crater counts.
Scientists at Argonne National Laboratory have invented a new foam called Oleo Sponge that can absorb and reuse oil from water. The material has been shown to collect diesel and crude oil from both below and on the surface of the water.
Berger's Isomax material achieves low density and uncommon strength, making it suitable for various applications such as aerospace structures and robotic machines. The study's findings support the concept's potential for efficient fabrication and manufacturing.
Researchers at Rice University have developed a new material called rebar graphene, which can be shaped and has exceptional conductivity. The material supports over 3,000 times its own weight without deforming, making it suitable for various applications.
Scientists at Harvard and MIT have developed a new 3D printing method that can create lightweight structural materials with tunable porosity, inspired by natural cellular structures. The approach uses ceramic foam ink to produce materials with exceptional stiffness and multifunctional properties.
A new type of activated carbon, cellular activated carbon, has been produced with a bimodal structure featuring both micro and mesopores. The material exhibits high adsorption kinetics due to its larger pores, making it suitable for various industries such as energy storage and catalysis.
Researchers have discovered that adding melanin to polyurethane increases its tensile strength and toughness by up to 10 times. The enhanced material can stretch farther before breaking, making it a promising alternative for various applications.
Researchers developed a coffee-infused foam filter that can remove up to 99% of lead and mercury ions from water. The innovative system uses spent coffee grounds in a bioelastomeric foam, making it easy to handle and discard after use.
A new type of bike helmet with an air bag system shows promise in reducing the risk of skull fracture and other brain injuries. The helmet's larger size and cushioning provide added protection, but initial pressure is crucial for optimal performance.
Researchers found that capillary forces from soap foam induce pressure gradients near the container walls, reducing sloshing motion. The dampening effect happens faster than expected exponential decay, causing the waves to stop after a finite time.
Researchers develop a simple, affordable method to produce strong, tunable carbon foam by using super-toasted bread, a potential game-changer for various industries. The foam's inner pore structure can be adjusted by changing the yeast and water content.
Scientists at Lawrence Livermore National Laboratory found that 3D printed foams have superior long-term stability and performance compared to traditional foams. The team used accelerated aging experiments and imaging techniques to study the properties of both types of materials.
Scientists have developed a chemically recyclable foam made from a sugar-derived material, which can be used as a renewable alternative to traditional polyurethanes. The new foam, called poly(β-methyl-δ-valerolactone), has been shown to be comparable in performance to commercial polyurethane foams.
Researchers at North Carolina State University have developed a novel light-weight composite metal foam that effectively insulates against high heat. The finding has significant implications for storing and transporting nuclear material, hazardous materials, explosives, and other heat-sensitive materials.
The frog foam has been shown to release model dyes and prevent in vitro growth of Staphylococcus aureus for extended periods, indicating its potential as a non-toxic antibiotic delivery system.
Cornell University engineers have developed a hybrid material combining stiff metal and soft rubber foam for dynamic shape changes, self-healing and improved load-bearing capabilities. The material features a unique ability to melt and reform, mimicking the flexibility of an octopus.
Researchers at the University of Liverpool found that heating magma leads to gas bubble formation, triggering explosive eruptions. The study suggests temperature is more important than pressure in generating bubbles.
A team of chemists from ITMO University has developed a novel type of firefighting foam based on inorganic silica nanoparticles, beating existing analogues in fire extinguishing capacity and thermal stability. The new foam is fully biodegradable and non-toxic to living organisms.
Scientists have found that wrapping tiny liquid droplets in ultrathin elastic sheets produces half-moon shapes similar to street foods. The researchers discovered this shape arises from the most efficient way to cover the drop, minimizing exposed liquid surface area.
French physicists develop a novel understanding of foam flow in a wedge-shaped channel, identifying connections between plastic events and deformation rates. This study has implications for further research on liquid foam properties and their impact on mechanical energy absorption.
Researchers developed a lightweight, stretchable material that can mimic human organs and change shape by 300 percent. The material has potential applications in prosthetics and soft robotics.
Researchers develop lightweight and high-power density capacitors using nanocellulose-based materials, paving the way for more efficient and environmentally friendly electronics. The new devices offer faster charging abilities and can accumulate energy during braking to release it during acceleration.
Researchers at the University of Texas at Austin have created a new flame retardant made from polydopamine, a natural compound found in humans and animals. The nanocoating reduces fire intensity by 67% and is about 20% better than existing flame retardants.
Composite metal foams show promise in blocking X-rays, gamma rays, and neutron radiation for nuclear waste transport, spacecraft design, and medical technology. The high-Z steel-steel foam outperformed other materials at shielding against various forms of radiation.
Researchers have discovered a way to expand metal matrix syntactic foams applications to autos, trains, ships and others requiring lightweight structural components that retain strength when bent or compressed. The new sandwich composite increased stiffness and offered high energy absorption.
Researchers have developed a new metal matrix composite that is so light it can float on water, with potential applications in boat flooring, automobile parts, and buoyancy modules. The composite's high density and strength make it suitable for withstanding rigorous marine conditions.
A new foam water filter has been developed by Michigan State University researchers, which significantly reduces dangerous pathogens in drinking water. The filter combines existing treatment principles and features a unique biological layer that enables it to become more efficient over time.
Case Western Reserve University researchers have developed a metal-free bifunctional electrocatalyst that performs as well or better than most metal and metal oxide electrodes in zinc-air batteries. The carbon-based catalyst works efficiently in both oxygen reduction and oxygen evolution reactions, making the battery rechargeable.
Researchers at Empa measure first generation of coolants in the Swiss atmosphere, finding a faster decay rate than predecessors. The study highlights environmental concerns related to these substances, including their potential impact on ecosystems and human health.
Researchers at Johns Hopkins University have developed a new material, boron-coated vitreous carbon foam, to detect neutrons emitted by radioactive materials. This breakthrough improves homeland security and nuclear power instrumentation, overcoming the scarcity of traditional detection material helium-3.
The American College of Physicians has released new guidelines for preventing and treating bedsores, recommending protein supplementation and hydrocolloid dressings to reduce wound size. Advanced static mattresses and overlays are also recommended for patients at increased risk, while alternating air mattresses and overlays are advised...
Princeton scientists discovered that foam significantly dampens liquid sloshing by absorbing energy through friction with container walls. The team's research has applications beyond breakfast beverages, including safer transport of hazardous liquids.
Researchers at Georgia Institute of Technology have developed a new type of foam called capillary foam that solves many of the problems faced by traditional foams. This new foam is stable for months or years and can be made using a small amount of oil, expanding the range of particles useful for stabilizing foams.
Researchers have discovered that copper foams can convert carbon dioxide into formic acid and propylene, two valuable industrial chemicals. The discovery provides a new route for sustainable chemical production, reducing reliance on fossil fuels.
Researchers at Rice University have found that foam is more effective than water, gas, and surfactant combinations in removing oil from low-permeability formations. Foam's unique properties allow it to penetrate and dislodge oil without losing its effectiveness, making it a promising tool for enhanced oil recovery.
Researchers at Rice University have developed a tough and ultralight foam using atomic-scale materials, with properties including high strain handling and bounce-back ability. The foam can be tailored to any size and shape, and its lightweight density is 400 times less than graphite.
A phase-changing material developed by MIT researchers allows robots to transform between a rigid and soft state, enabling them to navigate through tight spaces without damaging organs or vessels. The material can also self-heal and repair damage, making it suitable for applications such as surgical robotics and search-and-rescue opera...
Researchers evaluated 18 Earth-Kind rose varieties for salt tolerance in two locations, finding that 'Belinda's Dream', 'Climbing Pinkie', and 'Mrs. Dudley Cross' were the most tolerant. The study recommends these cultivars for landscapes with high soil salinity.
Scientists at UC Riverside developed a nanometer scale ruthenium oxide anchored graphene foam architecture that improves supercapacitors' performance, delivering two times more energy and power. The design shows promising properties for future energy storage applications.
A new study has found that flame retardants are prevalent indoors in preschools and day care centers, potentially exposing young children to hazardous chemicals. The study reveals high levels of PBDEs and tris phosphate compounds in dust samples, with concentrations often higher in facilities with foam equipment.
A new study from Cornell University has identified LTP1 as the key to perfect beer foam. The research found that the right amount and kind of barley lipid transfer protein No. 1 is essential for creating optimal foam.
Researchers developed a self-defending surface that releases hot foam to deter attackers, protecting cash boxes in ATMs. The film is made of plastic layers filled with chemicals that mix when damaged, producing a violent reaction.
Researchers discovered that new crib mattresses release four times more VOCs than old ones, with body heat increasing emissions. The study highlights the importance of understanding infant sleep environments to reduce exposure to indoor pollutants.
Researchers at NIST and American University suggest changes to the common furniture fire test to make it more realistic, focusing on air flow and foam materials. The modifications aim to identify upholstery materials most likely to prevent smoldering ignition, with potential implications for fire safety regulations.
Researchers discovered that the rapid transformation from liquid to foamy state is caused by an impact, leading to cavitation. The phenomenon can be used to predict gas production in volcanic eruptions and improve boat propeller design.
Researchers create multi-walled carbon nanotube-based coating that reduces foam flammability by 35%, preventing melting and pooling of the foam. This innovation aims to reduce the fire threat associated with burning soft furniture in homes by about a third.