Current Composite Materials News and Events | Page 25

Current Composite Materials News and Events, Composite Materials News Articles.
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With computation, researchers identify promising solid oxide fuel cell materials
Using advanced computational methods, University of Wisconsin-Madison materials scientists have discovered new materials that could bring widespread commercial use of solid oxide fuel cells closer to reality. (2018-02-22)

From compost to composites: An eco-friendly way to improve rubber (video)
The concept of (2018-02-21)

Splitting crystals for 2-D metallic conductivity
Adding oxygen atoms to a perovskite-like crystal material splits it into layers, giving it unique electrical properties. (2018-02-20)

Atomic structure of ultrasound material not what anyone expected
Lead magnesium niobate (PMN) is a prototypical (2018-02-20)

New software helps detect adaptive genetic mutations
Brown University researchers have developed a new machine learning technique that can track down beneficial mutations in population genetic datasets. (2018-02-19)

Precision experiments reveal gaps in van der Waals theory
An international research team led by Japan's University of Tsukuba and Denmark's Aarhus University used single-crystal synchrotron X-ray diffraction measurements to establish the electron density of TiS2. Given the broad range of applications for 2-D materials, this fundamental understanding is expected to have a wide-reaching influence on their uses, such as in topological insulators, electrode materials, catalysts, and charge-density-wave materials. (2018-02-16)

Infection outbreaks at hospitals could be reduced by copper-coated uniforms
Doctors, nurses and healthcare professionals could soon be wearing uniforms brushed with tiny copper nanoparticles to reduce the spread of bacterial infections and viruses, such as Escherichia coli (E. coli), at hospitals. (2018-02-15)

Engineers develop smart material that changes stiffness when twisted or bent
Iowa State's Martin Thuo and Michael Bartlett led development of a rubbery material that transforms itself into a hard composite when bent, twisted or squeezed. The new material could be used in medicine to support delicate tissues or in industry to protect valuable sensors. (2018-02-14)

New method to replicate harsh conditions for materials
Confining a plasma jet can be stress-inducing... especially on the materials especially for shielding materials. Noting the limits inherent in the test methods currently used for these materials, Professor Patrizio Antici and his colleagues have proposed a ground-breaking new solution: using laser-accelerated particles to stress test materials subject to harsh conditions. Recently published in the journal Nature Communications, his method holds promise for a number of applications. (2018-02-14)

Missing link to novel superconductivity revealed at Ames Laboratory
Scientists at the US Department of Energy's Ames Laboratory have discovered a state of magnetism that may be the missing link to understanding the relationship between magnetism and unconventional superconductivity. (2018-02-13)

Rubber blanket at an atomic level
Two-dimensional materials such as graphene, which consist of only one or a few atomic layers, have been a very promising aspect of materials science over recent years. However, one important phenomenon could not be measured accurately up until now: the extreme internal stresses and strains that such materials may be subjected to, which often drastically alter the material's physical properties. TU Wien has now successfully measured these distortions in 2-D materials at microscopic level (2018-02-12)

Today's highest quality composite-piezoelectric developed at NUST MISIS
NUST MISIS scientists jointly with an international group of scientists have managed to develop a composite material that has the best piezoelectric properties today. The research results were published in Scientific Reports journal. (2018-02-12)

New method enables high-resolution measurements of magnetism
In a new article, published in Nature Materials, researchers from Beijing, Uppsala and Jülich have made significant progress allowing very high resolution magnetic measurements. With their method it is possible to measure magnetism of individual atomic planes. (2018-02-06)

Measuring the temperature of two-dimensional materials at the atomic level
Researchers at the University of Illinois at Chicago describe a new technique for precisely measuring the temperature and behavior of new two-dimensional materials that will allow engineers to design smaller and faster microprocessors. (2018-02-02)

Scientists discover new field affecting metals solidification
The discovery that this heretofore unknown 'bias field' is causing pattern formation alters the thinking that the formations had been caused only by the sound vibration or disturbances known in materials science as noise. (2018-02-01)

Photoreversible molecular switch changes the physical property of thermoresponsive polymer
Researchers have developed a novel strategy to control the shapes of polymeric materials by utilizing photoresponsive molecular switches, which may evolve tractable stimuli-responsive soft materials. (2018-02-01)

Development of egg white-based strong hydrogel via ordered protein condensation
How to Cook Egg to Tough Material: Egg white-based strong hydrogel was created. The fluid material containing orderly condensed egg white proteins at regular intervals was produced by the mixing of both anionic and cationic surfactant to unpurified egg white proteins. This fluid material was gelled by heating and showed high mechanical properties. The maximum compressive fracture strength was <150-fold higher than that of usual boiled egg white. (2018-01-31)

Reconstructing an ancient lethal weapon
University of Washington researchers reconstructed prehistoric projectiles and points from ancient sites in what is now Alaska and studied the qualities that would make for a lethal hunting weapon. By examining and testing different projectile points, the team has come to a new understanding about the technological choices people made in ancient times. (2018-01-31)

Penn engineering research gives optical switches the 'contrast' of electronic transistors
Penn Engineers have taken an important step toward the creation of a working optical transistor: precisely controlling the mixing of optical signals via tailored electric fields, and obtaining outputs with a near perfect contrast and extremely large on/off ratios. (2018-01-31)

NTU scientists create customizable, fabric-like power source for wearable electronics
Scientists at Nanyang Technological University, Singapore (NTU Singapore) have created a customizable, fabric-like power source that can be cut, folded or stretched without losing its function. Being highly stretchable, these flexible power sources are promising next-generation 'fabric' energy storage devices that could be integrated into wearable electronics. The team's findings have been published in the journal Advanced Materials. (2018-01-30)

The fight against tooth decay gets help with a new smart material from U of T researchers
When patients go to the dentist to fill a cavity, they're trying to solve a problem -- not create a new one. But many dental patients get some bad news: bacteria can dig under their tooth-coloured fillings and cause new cavities, called recurrent caries. U of T researchers designed a novel solution: a filling material with tiny particles containing antimicrobial drugs, designed to stop bacteria in its tracks. (2018-01-30)

Weak hydrogen bonds key to strong, tough infrastructure
Rice University engineers study what it takes to make strong and tough infrastructures by probing the interfacial interactions of polymer and cement, which are key to composite properties. (2018-01-29)

UNIST researchers develop highly stretchable aqueous batteries
A team of researchers, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has succeedeed in developing world's first stretchable aqueous Li-ion batteries that may power the next generation of wearable devices. (2018-01-26)

New discovery could improve organic solar cell performance
Scientists who are members of a new energy materials-related science center based at Berkeley Lab have solved a mystery that could lead to gains in efficiency for organic solar cells. (2018-01-24)

Pearly material for bendable heating elements (video)
The iridescent shimmer of a string of pearls may one day be more than pretty adornment. Scientists now report in ACS Applied Nano Materials a hybrid material consisting of imitation pearl combined with silver nanowires that works as a heater, with the added benefit of high flexibility, suggesting a potential role in wearable devices. (2018-01-24)

Changes to nursing home quality ratings system caused consumers to choose better providers
Health care report cards and quality ratings are intended to give consumers more information when choosing a care provider like a hospital or nursing home. Health economist Marcelo Perraillon of the Colorado School of Public Health at CU Anschutz evaluated whether a simplified rating system used by the website Nursing Home Compare motivated consumers to choose better-rated nursing homes. It has been a difficult problem in health economics and policy whether public reporting of quality information actually works in the absence of experimental data. (2018-01-24)

Blast, bubble and brain injury
Researchers from the University of Texas at Arlington used supercomputers at the Texas Advanced Computing Center to simulate how bubbles caused by explosions may damage neurons in the brain. Using similar methods, the team reported in the Journal of the American Ceramic Society how nanoparticles affect the fragility of ceramic materials used in space shuttles. They found that the conventional wisdom that nanoparticles improve material strength is not necessarily guaranteed. (2018-01-24)

Quantum cocktail provides insights on memory control
Experiments based on atoms in a shaken artificial crystal made of light offer novel insight into the physics of quantum many-body systems -- which might help in the development of future data-storage technologies. (2018-01-24)

Adding graphene girders to silicon electrodes could double the life of lithium batteries
New research led by WMG, at the University of Warwick has found an effective approach to replacing graphite in the anodes of lithium-ion batteries using silicon, by reinforcing the anode's structure with graphene girders. This could more than double the life of rechargeable lithium-ion based batteries and also increase the capacity delivered by those batteries. (2018-01-23)

New fuel cell technology runs on solid carbon
Advancements in a fuel cell technology powered by solid carbon could make electricity generation from coal and biomass cleaner and more efficient, according to a paper published this week. Innovations in the anode, the electrolyte and the fuel allow the fuel cell to utilize more carbon, operate at lower temperatures and show higher maximum power densities than earlier direct carbon fuel cells (DCFCs). The results appear in this week's edition of Advanced Materials. (2018-01-22)

Taking control at the junction
Fine tuning the composition of nitride alloys can further the development of optical and electronic interface devices. (2018-01-22)

Pathway opens to minimize waste in solar energy capture
Researchers at the ARC Centre of Excellence in Exciton Science have made an important discovery with significant implications for the future of solar cell material design. (2018-01-22)

Using electricity to switch magnetism
TU Wien has managed to use electrical fields to control the magnetic oscillations of certain ferrous materials. This has opened up huge potential for computer technology applications, as data is currently transferred in the form of electrical signals but stored magnetically. (2018-01-18)

Crystal clear
Atomic-resolution transmission electron microscopy of electron beam-sensitive crystalline materials. (2018-01-18)

Scientists develop a new material for manipulating molecules
A scientist at the University of Córdoba, working with an international research team, has created a new porous single-crystal material which could have numerous applications in nanotechnology and catalysis. (2018-01-17)

Small but fast: A miniaturized origami-inspired robot combines micrometer precision with high speed
Reported in Science Robotics, a new design, the milliDelta robot, developed by Robert Wood's team at Harvard's Wyss Institute for Biologically Inspired Engineering and John A. Paulson School of Engineering and Applied Sciences (SEAS) integrates their microfabrication technique with high-performance composite materials that can incorporate flexural joints and bending actuators, the milliDelta can operate with high speed, force, and micrometer precision, which make it compatible with a range of micromanipulation tasks in manufacturing and medicine. (2018-01-17)

How mantis shrimp pack the meanest punch
In research published today in Advanced Materials, a group of researchers led by UC Riverside's David Kisailus has identified a unique structure that wraps around the mantis shrimp's club to protect it from self-inflicted damage as it crushes hard-shelled prey. The finding will help Kisailus' team develop ultra-strong materials for the aerospace and sports industries. (2018-01-16)

Does benefit of weight-loss surgery for patients with diabetes persist over time?
Obese adults with type 2 diabetes who underwent gastric bypass surgery continued to improve after five years at meeting a target for blood sugar, cholesterol and blood pressure control but that improvement seemed to lessen over time. (2018-01-16)

New catalyst for hydrogen production is a step toward clean fuel
A nanostructured composite material developed at UC Santa Cruz has shown impressive performance as a catalyst for the electrochemical splitting of water to produce hydrogen. An efficient, low-cost catalyst is essential for realizing the promise of hydrogen as a clean, environmentally friendly fuel. (2018-01-16)

Novel 3-D printing technique yields high-performance composites
A team of researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) has demonstrated a novel 3-D printing method that yields unprecedented control of the arrangement of short fibers embedded in polymer matrices. They used this additive manufacturing technique to program fiber orientation within epoxy composites in specified locations, enabling the creation of structural materials that are optimized for strength, stiffness, and damage tolerance. (2018-01-15)

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