Articles tagged with Composite Materials
University of Michigan researchers developed a composite plastic that's as strong as steel but lighter and transparent by mimicking the molecular structure found in seashells. The new material consists of layers of clay nanosheets and a water-soluble polymer, achieving ideal transfer of stress between nanosheets and a polymer matrix.
The new Standard Reference Material (SRM) 955c provides a more effective tool for detecting lead poisoning, particularly in children. With its improved accuracy and expanded uncertainty, SRM 955c enables the development of next-generation clinical methods to accurately measure blood lead levels.
Purdue University engineers have developed a structural health monitoring system to detect flaws in new composite military missiles. The system uses triaxial accelerometers to pinpoint impact locations and severity, improving durability and performance.
A University of Wisconsin-Madison scientist has proven that composite materials can be stable even if one component is unstable, allowing for a wider range of properties and improved overall performance. This breakthrough could lead to materials with virtually limitless performance capabilities.
Researchers analyzed dust fragments from Comet Wild-2 to gain insights into the early Solar System's formation. The study found diverse mineral compositions in the comet dust, indicating extensive mixing before planet formation, and evidence of surprising variety in cometary composition.
Researchers have developed a breathable protective garment material that blocks toxic vapors while allowing water vapor to pass through, maintaining personal comfort and safety. The material is lightweight and selectively rejects chemical agents, making it an ideal solution for military personnel and emergency services.
Researchers at the University of Delaware have developed a method to detect defects in composite materials using a network of carbon nanotubes. The discovery has significant implications for predicting the lifespan of composite materials and ensuring their safety in various applications, including commercial airliners.
Montana State University has developed a massive database of wind turbine material tests, spanning over 17 years and involving 150 different composite materials. The MSU/DOE Fatigue Database for Composite Materials is now one of the world's largest open-access libraries on wind energy research.
The study reveals that externally applied force influences the dispersion and orientation of carbon nanotubes in composites. The researchers mapped out a phase diagram to estimate the resulting order and achieved desirable properties.
Researchers at Northwestern University have developed a process to create graphene-based composite materials with exceptional properties. The method involves exfoliating graphite into individual layers, which can be mixed into polymers, glasses, and ceramics.
Researchers at Virginia Commonwealth University developed a new vascular graft material combining polydioxanone and elastin fibers, ideal for strength and tissue regeneration. The material undergoes slow degradation, causing few adverse reactions and promoting cell recognition and interaction with the body.
Researchers have developed a triple threat polymer that can capture and release fragrance molecules, demonstrating unique properties. The material's complex surface structure allows it to act as a host for guest molecules, enabling controlled release.
The consortium aims to enhance the quality and consistency of materials used in drug tablets, processed foods, agrichemicals, and composite organic products. Research will focus on particle shapes, forces that bind materials together, and efficient production of structured materials.
A study of over 534 children found no significant differences in neuropsychological function between those with amalgam and resin composite materials. Higher urinary mercury levels were detected in the amalgam group, but no adverse effects were observed. The study concludes that mercury-containing amalgam should remain a viable clinica...
Researchers found that polymer composites localize heat better than steel, allowing them to sustain structural rigidity and prevent fire spread. The study recommends developing materials with high glass transition temperatures to achieve optimal performance.
The project seeks to develop nanostructured composite materials with controlled thermal conductivity, impacting technologies like thermoelectric coolers and power electronics. Huxtable plans to educate underprivileged students through a summer research program.
The University of Manchester will develop new composite technologies and materials in partnership with the University of Washington, focusing on future 'greener' aircraft design and testing safety levels of composite materials. The project aims to unlock the potential of composite materials for the aerospace industry.
FSU researcher Ben Wang is pushing the boundaries of buckypaper, a material made from carbon nanotubes that's twice as hard as a diamond. The potential applications are vast, including developing stronger aerospace structures, more-effective body armor and next-generation computer displays.
Researchers developed a new technique to detect damage in composite materials using vibration and heat detection. The vibrothermography method can identify internal damage not visible to the human eye, crucial for preventing catastrophic failures.
Researchers at Northwestern University have developed a new metal alloy, BlastAlloy-160, with enhanced strength and resistance to blast damage. This breakthrough design could lead to improved safety in various industries, including construction and transportation.
Researchers have developed composite fibers containing varying percentages of carbon nanotubes, which can double stiffness, reduce shrinkage by 50%, and improve solvent resistance. Breaking up nanotube bundles could make these materials more accessible for commercial products.
A team of physicists and engineers created metamaterials that respond magnetically to terahertz radiation, extending their properties to the terahertz range. This discovery has the potential to enable new applications in areas like weather guidance, security, and biomedical imaging.
The Office of Naval Research is developing new materials to increase the survivability of future Marine Corps vehicles. Six contractors have developed new material concepts, with three selected for Phase 2 contracts. Lightweight high-strength composite materials and embedded sensors will be integrated into a vehicle demonstrator.
Researchers are developing a sensor to monitor carbon-carbon composite materials in structures. The team uses ultrasound to identify degradation mechanisms and contamination effects, enabling them to quantify the impact on material integrity. They expect to complete a prototype sensor system by 2003.
New porous materials show photoluminescence, ion exchange and gas sorption, having large surface area and uniform pore sizes. They have potential applications in electrochemical sensors, photocatalysts, solid electrolytes for batteries and gas separation.
Researchers at Princeton University have developed a mathematical system to design composite materials that perform two functions simultaneously. The approach uses computer calculations to find the optimal structure, which can help optimize properties such as heat and electricity conductivity.
A team of researchers from Purdue University and their partners have developed a new manufacturing approach to produce carbon-carbon composites at lower cost. The robotic system uses computer control to precisely deposit carbon fibers, resulting in better part quality and reduced production time.
Virginia Tech researchers are studying xylan, the natural glue in wood, to develop new materials. They aim to understand the hierarchy of components assembled in composite materials by mimicking nature's structure at the nanoscale.
Researchers study composite materials made from small trees, finding they can be as strong or even stronger than solid wood due to uniform properties and improved durability. The team investigates molecular adhesion and chemistry under simulated conditions to enhance durability.
Researchers at Michigan State University are developing biocomposites using plant-based materials and sustainable plastic alternatives. These innovative materials have the potential to reduce environmental impact, cost, and production energy while maintaining performance and competitiveness.
Researchers have developed a dental composite that can remineralize small cavities and prevent demineralization. The material, containing amorphous calcium phosphate, has potential applications in orthodontic adhesives, dental fillings, root canal therapy, and bone repair.
Researchers are developing a new sandwich structure made from lightweight honeycomb core and curved composite panels, which can contribute to faster boats and fuel-efficient airliners. The key attribute of the material is its light weight, resulting from the honeycomb-like design of the inner core.
A new scanning device enables researchers to examine internal characteristics of composite engine parts as they are mended, improving use of composite materials. Initial experiments showed that surface integrity can belie internal damage in graphite fibre-PEEK composites.
Scientists can now examine a material's surface using specially constructed probes, identifying contaminants and component parts. The probes also measure thermal properties, conductivity, and topography to provide insights into material behavior.
A new book on composite materials has been published by Virginia Tech professor Michael W. Hyer, focusing on the mechanics aspects of fiber-reinforced composite materials. The book provides a comprehensive approach to understanding the stresses due to applied deformations, loads, and temperature changes.
The Federal Aviation Administration (FAA) has certified a new aircraft repair technique, using a bonded composite doubler, for Delta Airlines' L-1011. The patch reinforces the plane's right mid-section access door and has proven to be effective in reducing maintenance tasks.
Researchers at Oregon State University have discovered a new compound with unique properties that could be used in various applications. The compound, zirconium tungstate, has been found to behave under high pressures and has potential uses in electronics, optics and dental care.