Articles tagged with Mechanical Properties
A team from MIT and the University of Liege presents high-speed images showing that raindrops can act as a dispersing agent, catapulting contaminated droplets far from their leaf source. The researchers found that a plant's mechanical properties, particularly its compliance, determine the range of dispersal.
Researchers at the University of Sheffield discover 'sweet spot' in 3D printing by manipulating ink density and strength. By printing in greyscale, they can maximize strength while reducing weight, opening up applications in aerospace, automotive, and sports footwear industries.
KIT scientists create a volume in which an object can be hidden from touching, similar to a pea under the mattress of a princess. The mechanical invisibility cloak is based on a metamaterial structure that directs forces away from the object, making it invisible to touch.
Researchers from Amsterdam University and DESY discovered coexisting structural states in a glass made from microscopic silica spheres under shear stress. The study revealed that the glass's inner structure varies depending on the applied shear rate, affecting its flow behavior.
Researchers developed a new analytical method to detect fatigue in wind turbines' parts while the turbine is in operation. This method distinguishes between mechanical properties and interfering noise, enabling precise detection of material fatigue or untightened screws.
Researchers have uncovered the elastic properties of spider silk, with variations among fibers, junctions, and glue spots. The findings provide a blueprint for structural engineering of strong, stretchy, and elastic materials.
Researchers have developed a system to measure the mechanical properties of living cells, which could lead to new ways to diagnose diseases and understand biological processes. The technique uses an atomic force microscope to study three types of cells, including bacteria, human red blood cells, and rat fibroblasts.
Researchers at NIST have identified a class of decorative defects in graphene that could alter its unique properties, including strength and conductivity. The discovery may lead to the development of more resilient materials.
A team of researchers from the University of Manchester has made a breakthrough in developing an injectable gel to permanently replace the workings of the intervertebral disc, which is estimated to affect 80% of people at some point in their lives.
Researchers found that dry deer antlers are stiff and tough, absorbing more energy before shattering than wet bone. This makes them perfectly suited to their role as a weapon in duelling stags.
MIT researchers have created a novel scaffold that can aid in the repair of damaged heart tissue and potentially treat congenital heart defects. The biodegradable scaffold has directionally dependent structural and mechanical properties, allowing it to mimic native heart muscle structure and behavior.
Amyloid fibrils, bundles of ordered protein filaments, display remarkable mechanical properties and have potential as nanomaterials. They can be tailored and biocompatible, making them suitable for surfaces in medical technology and drug delivery systems.
The NIST imaging system uses custom software and electronics to map mechanical properties of materials, enabling scientists to see variations in elasticity, adhesion, or friction. The system can produce high-resolution images in minutes, offering greater flexibility and cost-effectiveness than competing approaches.
Scientists have developed a simple experiment to measure the mechanical properties of thin films, which could impact industries like cosmetics, coatings and nanoelectronics. The new method uses low-power optical microscopy to observe wrinkles in the film, providing insight into material properties.
Researchers at Northwestern University have developed graphene oxide paper with superior mechanical properties, potential applications in energy storage, and the ability to be chemically tunable. The material's unique combination of electrical insulation and controlled permeability makes it suitable for various industries.
Researchers mapped the stiffness of bovine shin bone using a molecular force probe, revealing non-uniformity in bone's mechanical properties within a single region. The study's findings could lead to improved diagnoses and treatments of bone diseases, as well as the development of new materials with improved toughness.
Researchers at NIST created a microelectromechanical system (MEMS) cell-stretcher to measure living cell mechanical properties like adhesion and elasticity. The device can study bulk mechanical properties of single cells while they spread and adhere to substrates.
Researchers from the University of British Columbia successfully produced proteins with new mechanical properties through DNA shuffling of two titin domains. The study reveals that different arrangements of protein segments can significantly impact mechanical stability, challenging previous assumptions.
Researchers developed a new method to measure the stiffness of soft substrates by using sensor films with known properties. The technique tracks changes in stiffness across gradients of material properties, allowing for the mapping of spatial variations in rigidity in complex materials.
MIT researchers have developed a way to test the mechanical properties of almost 600 different materials in a matter of days. This breakthrough could lead to faster identification of dental implants and tank armor with improved resistance.
A Virginia Tech researcher has developed a technique to disperse nano particles into polymers, improving their mechanical properties. The method uses supercritical fluid carbon dioxide to exfoliate nano particles at higher concentrations, leading to enhanced mechanical properties.
The Hamill Innovation Grant program supports high-risk, high-impact research at Rice University, aiming to develop new technologies and treatments for various diseases. Four inaugural awards will fund research in areas such as respiratory viruses, protein titin, glycosaminoglycans, and resveratrol biosynthesis.
Carbon nanotubes' electronic and mechanical properties are highly dependent on the presence of defects, which alter their vibrational modes and affect electrical conductivity and heat transport. The study demonstrates the importance of understanding these effects for optimizing nanoscale devices.
A study by Taiwanese researchers found that swimming exercises can improve bone density and mechanical properties in growing rats, similar to weight-bearing exercise. However, the benefits of non-weight-bearing exercises like swimming on long bone biomechanical properties were not significant.
The new software tool analyzes engine models and extracts information on mechanically sound designs, enabling faster prediction of jet engine performance. By using an optimization algorithm, the tool calculates worst-case vibration levels, allowing engineers to determine the reliability of their designs quickly.