Articles tagged with Deformation
The team creates software and hardware for a 4D printer that can control shape-changing materials in response to external magnetic fields or mechanical deformation. This technology enables the design of soft robots, smart sensors, and substrates with self-healing capabilities.
Researchers at the University of Missouri have designed a soft and breathable material that can be worn on the skin without causing discomfort. The material, made from liquid-metal elastomer composite, has integrated antibacterial and antiviral properties to prevent the formation of harmful pathogens.
Researchers used density functional theory to investigate the mechanical properties of superionic ice XVIII, which is thought to make up a large part of Neptune and Uranus. The study found that dislocations in the crystal lattice produce shear, leading to macroscopic deformations and potentially influencing the planets' magnetic fields.
A new digital twin of laser-directed energy deposition repair technology has been developed to improve industrial sustainability. The system automatically determines optimum forming conditions, reducing metal powder waste and increasing the effectiveness of the repair process.
Researchers at KAUST have developed a soft and flexible electronic 'e-skin' that can detect minute temperature differences between inhalation and exhalation, as well as touch and body motion. The material's island-bridge atomic structure provides an inherent softness and flexibility ideal for on-skin applications.
Researchers at Lehigh University have received a $1.2 million NSF grant to purchase a new plasma focused ion beam system for studying material deformation at the nanoscale. The system enables in situ mechanical testing and EBSD analysis, allowing for detailed study of microstructural elements and
A team of researchers from Japan and the USA have proposed an optimized design strategy for additive manufacturing using laser powder bed fusion. They simultaneously optimized laser hatching orientation and lattice density distribution to minimize residual stress in metal parts, reducing warpage by up to 39%.
Researchers at UT Austin developed a semicrystalline polymer that combines strength and flexibility, overcoming challenges of mixed materials in robotics and electronics. The new material is 10 times as tough as natural rubber and can be controlled with light.
A new study led by ICM-CSIC has revealed the complex geometry of the Alboran Sea faults system, which has been absorbing most of the deformation from plate collision. The research demonstrates that this region is one of the most important fault systems in the western Mediterranean and has a significant tsunami risk.
Researchers introduce intrinsic strains into thermoelectric devices through mechanical deformation, enhancing stability and efficiency. The power generation efficiency reaches up to 12% in mixed halide perovskites under these conditions.
The discovery reveals that the nucleus deforms like a liquid drop, preserving its shape and protecting its genome. This understanding may lead to new approaches for treating cancer by aiding cell nuclei in regaining their normal shapes.
Rice University engineers have developed a novel approach to manipulating the magnetic and electronic properties of 2D materials by stressing them with contoured substrates. The technique, inspired by recent discoveries in twisted 2D materials, allows for unprecedented control over quantum effects.
Researchers developed a simple physical model to explain DNA deformations caused by ions and temperature changes. The model reveals that salt-induced twist changes are driven by electrostatic interactions, while temperature-induced changes are related to DNA diameter variation. These findings provide new insights into the molecular mec...
Scientists have found a novel pathway for forming smaller crystals in metals, leading to improved strength and toughness. By bombarding metal surfaces with tiny particles at high speeds, researchers increased copper's strength about tenfold.
Researchers subject Oreos to various tests, finding that the cream almost always separates onto one wafer, regardless of flavor or amount of filling. The team's study provides insights into the properties of yield stress fluids and offers a new approach to understanding non-Newtonian materials.
Researchers found a persistent 20% reduction in carbon dioxide seeping up from the ground during the spring of 2017, coinciding with intense drought and record-high Sierra Nevada snowpack. The study suggests that changes in Earth's hydrology due to climate change can impact volcanic emissions.
A new study finds that cell phone GNSS networks can accurately track crustal deformation, offering a more comprehensive view of seismic activity. By combining private and public sector networks, researchers aim to improve fault models and enhance disaster prevention.
University of Utah researchers measured 14 rock towers in Utah to predict their seismic stability. They used mathematics that describe built structures' resonance to create a dataset, allowing for predictions without climbing the towers.
The study reveals that a single folding mechanism can generate an infinite family of shapes in flexible structures. Researchers have developed a novel approach to predict and control tough, flexible structures from skyscrapers to microscale using conformal deformations.
A recent study suggests that strike-slip faulting is an active deformation mechanism on Titan's surface, driven by diurnal tidal stresses and pore fluid pressures. The researchers found that shallow faults near the equator are optimally oriented for potential failure, which could facilitate material transport and affect habitability.
Researchers at KAUST have developed a new type of wireless strain sensor that offers improved sensitivity and accuracy. The sensor uses fragmented electrodes to detect changes in electrical resistance or capacitance, allowing for real-time monitoring of material strains.
Researchers developed a WC-20CrC-7Ni coating with high anti-cavitation resistance, extending the life of aquatic environment mechanisms. The coating's fine structure increases surface area, requiring more energy for crack formation. This innovation can protect critical equipment parts in power engineering, metallurgy, and shipbuilding.
Researchers at the University of Göttingen have discovered a novel type of ordering effect generated and sustained by steady shear deformation. They found that under sufficient driving force, an interesting ordering effect emerges, revealing a hidden order in the force directions.
Researchers investigated glass fiber-reinforced epoxy-based flat laminates with pultrusion, a fast and versatile composite manufacturing process. The study found significant promise for structural applications of these 'shape memory' composites in various industries.
Researchers found that the stability of an amorphous metal alloy's structure is disrupted by mechanical influences, leading to crystalline inclusions. The alloy retains useful properties at pressures below 400 gigapascals before experiencing rapid crystallization and loss of structural integrity.
Researchers have developed a shape memory polymer that can store up to 17.9 J/g energy, allowing it to lift objects 5,000 times its own weight upon heating. The polymer's high energy density and low cost make it an ideal material for soft robotics, smart biomedical devices, and deployable space structures.
Researchers from Pusan University developed a super-stretchable, deformable, and durable material for 'super-flexible' alternating current electroluminescent devices. The material was successfully applied in devices that functioned with up to 1200% elongation, displaying stable luminescence over 1000 cycles.
Researchers developed a new framework using machine learning that improves the accuracy of interatomic potentials for designing new nanomaterials. The findings suggest a positive correlation between the complexity and number of parameters and the accuracy of interatomic potential.
Researchers create polymers infused with stress-sensitive molecular units that respond to external forces by switching on fluorescence. The team demonstrates reversible and irreversible polymer deformations using rotaxane-based mechanophores.
A new study led by the University of South Australia found that inhibiting bone morphogenetic protein (BMP) suppresses growth plate bony repair and prevents degeneration. This could lead to a biological treatment in place of correcting deformities through surgery.
The study provides a detailed understanding of the crustal deformation mechanism in the western Qilian Mountains, northeastern margin of the Tibetan Plateau. The researchers discovered a decoupled crustal deformation with intra-crustal decollement layers, which reveals the Asian lithospheric mantle being underthrust beneath the region.
A new study published in Geology has shed light on the mechanisms driving induced subsidence and seismicity in gas-producing sandstone reservoirs. Researchers analyzed drill core samples from the Groningen field, finding evidence of elastic strain plus inelastic compression of weak clay films within grain contacts.
Research on strain engineering of 2D materials, including graphene and transition metal dichalcogenides, has shown promising results. The unique mechanical and optical properties of these materials make them suitable for optimizing device performance and enabling new photonic applications.
Researchers developed a stretchable dual-core optical fiber sensor system that can distinguish and measure complex mechanical movement using only a single sensor. The system, called SLIMS, successfully detected various finger movements and presses in real-time when integrated into a stretchable glove.
Researchers discovered that biofilms can generate large structural deformations on soft materials, compromising host physiology and potentially promoting a new mode of infection.
A new graphene-based actuator swarm can enable programmable 3D deformation, expanding capabilities of smart devices. The swarm integrates SU-8 pattern arrays with GO to achieve active and programmable deformation under moisture actuation.
Researchers developed a method to adopt kirigami architectures for graphene-based sensors, achieving strain-insensitivity up to 240% uniaxial strain. The design redistributes stress concentrations, enabling directional mechanical attributes.
Cornell researchers have discovered a way to control superconductivity in heavy fermion metal CeIrIn5 by stressing and deforming it. This method allows for spatial control of superconductivity without relying on chemical augmentation, enabling potential applications in Josephson junction devices and quantum computing.
A new model simulates fluid dynamics in arteriovenous grafts, finding that vein flexibility can reduce disrupted blood flow. The study suggests several options for improving AVG designs to prevent thrombosis and extend their lifespan.
Researchers at DGIST synthesized biomimetic materials that increase the efficiency of chemical reaction related to body metabolism. The 'copper(II)-hydroperoxo complex' boasts higher efficiency than existing complexes in deformylation reaction.
Computer simulations reveal that creep deformation can modify material properties, altering the chances of certain events occurring within the material. The researchers also found patterns in intervals between deformation events conforming to Omori law.
Researchers from the University of Warwick have discovered that deformations and defects in solar cell structures can prevent photo-excited carriers from recombining, leading to enhanced conversion efficiency. This finding has potential applications in improving UV light sensor sensitivity and increasing solar cell efficiency.
Researchers have developed a new laboratory technique to measure polymer flow at the molecular level, providing fundamental understanding of soft material behavior during rapid deformation. This approach has led to significant insights into designing biomedical, industrial and environmental applications.
Researchers at NIST have developed a new imaging technique that can observe the effects of strain at the single-molecule level, allowing for better design of composite materials. The technique uses super-resolution optical microscopy to track the alignment of molecules in response to applied force.
Researchers found that amorphous solids can be truly elastic and reversible for small strains, but become marginally stable with infinitesimal deformations, exhibiting both elastic and plastic behavior
Scientists have created microscopic three-dimensional polymer shapes that can be programmed to move in any direction in response to multiple types of stimuli. These microstructures could lead to the creation of more efficient solar panels that turn to follow the sun.
Researchers at Nagoya Institute of Technology have gained new insights into the mechanisms behind semiconductor degradation in 4H-SiC material, a popular alternative to standard materials. They discovered that specific types of atomic deformation lead to faster carrier recombination and device degradation.
A new AFM method reveals that water layers minimize deformation and make it more reversible, leading to increased efficiency in storing charge and losing less energy. The discovery holds promise for developing energy storage technologies.
Children with leukemia experience frequent vertebral fractures during chemotherapy, often persisting into adulthood. Vertebral deformities are more common in older children and those with severe collapse.
Researchers discovered that zinc sulfide crystals can bend up to 45% when in complete darkness due to the absence of electron trapping under light conditions. This unique property makes it suitable for flexible electronic applications where traditional inorganic semiconductors are brittle.
Researchers have discovered a way to make diamonds flexible by etching tiny needles from artificial diamond films, achieving strains up to 9% and surpassing theoretical limits. The development holds implications for bioimaging, biosensing, and ultra-strength nanostructures, as well as optomechanical devices.
Researchers used synthetic-aperture radar data from four satellites to analyze the Lake Urmia Causeway in Iran, finding accelerated deformation due to soil consolidation and human activity. They also developed a predictive model for future deformation, highlighting the potential of space-based monitoring for critical structures.
Researchers at TU Wien have developed a method to measure internal stresses and strains in 2D materials, revealing the effects on electronic properties. This new technique allows for precise imaging of deformations, enabling targeted adjustment of material properties.
Researchers found that boron incorporation in InGaN material reduces electron collisions, increasing LED efficiency. The boron-based BInGaN material can be grown on top of GaN using existing techniques, making it suitable for high-power and efficient visible LEDs.
Researchers from Lomonosov Moscow State University studied the stages of rock deformation and revealed a criterion that can predict the critical stage of fracture when rocks destroy. The study used acoustic emission signals to identify different energy distributions, which can indicate the transition to a critical state.
Soft robots can adapt to unstructured space environments, satisfy different tasks demands, and improve safety and reliability. Novel actuation methods and control schemes are proposed to address the challenges of soft robot configuration and manipulation.
Researchers have developed ultralight ceramic nanofiber sponges that can maintain resilience after compressive strain up to 50% and withstand temperatures of up to 800 degrees Celsius. These sponges also show promise as insulating materials with flexibility and for water purification applications.
Researchers at UC San Diego discovered that hair behaves differently depending on stretching speed, with faster stretches making it stronger. The team found a unique structural transformation allowing hair to withstand high stress without breaking.
Researchers at Drexel University have made a breakthrough in the study of how things break, bend and deform. They discovered that layered materials form internal buckles, or ripples, as they deform under stress, dubbed 'ripplocation'. This new paradigm explains non-linear elastic behavior within the constraints of dislocation theory.
Researchers developed a software tool called DefSense that enables non-experts to create deformable objects with deformation-sensing functionality. The tool optimizes sensor layouts based on user-defined deformations, allowing for customized input devices.