Articles tagged with Welding
The University of Leicester, in partnership with TWI Ltd, has secured £560k to develop a robot-mounted arc-welding system for in-space repair and manufacturing. The project aims to overcome the challenges of welding in space by developing a new, space-qualified robotic welding capability.
The University of Tennessee, Knoxville is collaborating with Mississippi State University to create new steels for the US Navy using a $5 million award. The team will focus on developing new steel materials, welding and strengthening mechanisms, as well as wire arc additive manufacturing.
Researchers from Empa developed machine learning algorithms to optimize laser-based manufacturing techniques, reducing preliminary experiments by two-thirds. They also implemented real-time optimization using field-programmable gate arrays (FPGAs) for improved welding processes.
Researchers found that while AI models showed promise in assessing weld quality, they performed significantly better analyzing curated online images compared to actual welds. Context-specific prompts may enhance the performance of AI models in some cases.
Dr. Wei Li is creating a virtual lunar welding platform to simulate welding in the moon's harsh environment, addressing temperature fluctuations and extreme vacuum conditions. The project aims to enable reliable large structure assembly on the moon, a crucial step for human colonization.
The SpaceX CRS-31 mission to the International Space Station includes studies on in-space manufacturing, cardiac health, and a method for repairing spacecraft damaged by debris. Multiple payloads sponsored by the ISS National Laboratory are bound for the orbiting outpost.
Researchers at Graz University of Technology developed two techniques to join wood with metals and polymer composites without adhesives or screws. The AddJoining technique uses 3D printing to create strong joints, while the Ultrasonic Joining method employs high-frequency vibration to melt polymer into wood pores. These methods show pr...
A new study reveals that at least 46,000 Australian welders are exposed to high levels of welding fume, a known carcinogen. The survey found that nearly 90% of workers were exposed to 'welding fume', with many working in confined spaces without proper ventilation.
Researchers at North Carolina State University have identified a welding technique that can join composite metal foam components without impairing their properties. The new method uses induction welding, which penetrates deeply into the material and insulates it against heat.
Washington State University engineers have created a way to 3D-print two types of steel in the same circular layer using two welding machines. The resulting bimetallic material proved stronger than either metal alone due to pressure caused between the metals as they cool together.
The study investigates the atomic flow behavior during joint formation, exploring processing time, temperature, and stress distribution on nanojoints. The results reveal that local stress and capillary interactions significantly impact joint quality, leading to advances in industrial applications of Ag nanowire interconnect networks.
Researchers from West Virginia University are developing a new composite transition joint using 3D printing to reduce stress on power plant systems. The goal is to increase the flexibility and reliability of thermal power plants.
Researchers from South Ural State University and China's Xi'an Jiaotong University have successfully welded A606 (Cor-Ten) steel, a promising material with high atmospheric corrosion resistance. The study optimized welding conditions to achieve high strength properties and necessary microstructure.
Materials researchers at Saarland University are working with companies like Dillinger and RWTH Aachen University to develop customized steel grades for offshore wind farm monopiles. The goal is to improve welding processes and reduce production time while maintaining mechanical properties.
Researchers developed a digital twin environment that mirrors physical welding setups to train new users and protect physical systems. The system tracks welders' behavior patterns, enabling efficient novice training and safe practice without risk of damage.
Researchers at Duke University are developing new super-hard materials using chaotic atomic structures, which can enhance stability and strength in a wide range of applications. The team aims to create a material that can solve the friction stir welding problem with steel, revolutionizing ship construction and defense equipment.
Researchers at Oak Ridge National Laboratory have developed a COVID-19 screening whistle that captures aerosols from exhaled breath for easy home testing. Additionally, advancements in welding technology have sped up the process and improved consistency, benefiting NASA's deep space missions.
Researchers developed a precision welding technique using laser heating to join thermoplastic resins like PPS, COP, and PET. This method improves the quality of small electronic components, microchannels, and flat panels by avoiding overheating and burning.
Researchers from Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed a method to detect keyhole instability in laser deep penetration welding. The technique uses an acoustic sensor and optical measurements analyzed with artificial intelligence, allowing for real-time monitoring of weld quality.
Engineers at UC San Diego and Riverside developed a new ceramic welding method that doesn't require a furnace. The process uses ultrafast pulsed lasers to melt ceramic materials along the interface, creating strong welds.
Researchers at NIST have collected accurate and comprehensive data on the fundamental aspects of laser welding, enabling better computer simulations. This improved understanding could give industries more control over laser welding processes, leading to faster production times and reduced energy consumption.
Engineers at UCLA develop a method to weld the challenging AA 7075 aluminum alloy using titanium carbide nanoparticles, achieving tensile strength comparable to steel. This breakthrough may enable wider adoption of the alloy in mass-produced products.
Researchers at the University of Leicester have developed a method to optimize arc welding and additive manufacturing processes, improving efficiency and reducing costs. By tracking melt pool behavior using X-ray imaging, they discovered that controlling flow and surface tension can improve weld quality and properties.
Researchers have successfully developed a new vanadium alloy that is strong at high temperatures and can be used in the manufacturing of the fusion reactor blanket. The alloy, composed of 92% vanadium, has improved ductility due to high purity production methods, making it suitable for welding and machining without breaking.
Researchers at Far Eastern Federal University found that arc welding produces toxic nanoparticles in the air, which can be inhaled through the respiratory system. The particles contain metal oxidation products, particularly those with diameters under 1 nanometer, and can translocate to the central nervous system.
Scientists conduct first weld tests of a new system designed to repair highly irradiated materials, introducing advanced techniques to reduce cracking and stress. The testing is crucial for extending the life of nuclear power plants and reducing costs for the industry.
Brazilian researcher develops innovative method of laser welding at high temperatures to enhance properties of AHS steel, improving formability and collision resilience. The technique produces bainitic structure, resulting in tough and reliable weld joints.
A Texas A&M University doctoral student has pioneered a method to strengthen 3-D printed parts, making them suitable for real-world applications. The technology uses microwave energy to weld layers together, creating more durable parts.
A new study by University of Leicester researchers has identified the mechanism behind solidification cracking in steel welding, a critical engineering alloy. The team used synchrotron X-ray beamline technology to observe crack formation in real-time, revealing micro-porosities as the primary cause.
A study published in Neurology found that welders who work with manganese fumes are more likely to develop Parkinson's-like symptoms. The researchers analyzed data from 886 workers and found that cumulative exposure to manganese was associated with a yearly increase in movement problems.
Welders exposed to low levels of manganese exhibit neurological symptoms similar to Parkinson's disease, including slow movement and difficulty speaking. Current OSHA safety standards may not protect workers from the dangers of welding fumes.
Metallic glue made from nanorods sets at room temperature and requires little pressure to seal, offering high thermal and electrical conductivity. The technology has multiple applications in the electronics industry, potentially replacing traditional solders and thermal grease.
Researchers at Ohio State University have developed a new welding technique that produces 50% stronger bonds while consuming 80% less energy. The process uses high-voltage pulses to vaporize metal foils and directly bond atoms, creating seamless welds without weakened seams.
Researchers have developed a new friction stir welding process that can join aluminum sheets of varying thicknesses, yielding car doors that are 62% lighter and 25% cheaper. The process is ten times faster than current techniques, meeting high-volume assembly requirements.
The new self-learning welding system is controlled by a neural network program that tracks multiple variables, such as bevel angle, thermal profile, and weld form to detect and correct errors in real-time. This technology has the potential to bring significant savings to the welding industry by eliminating post-welding checks and repairs.
Researchers at LUT reduced welding groove angle from 45 to 30 degrees, increasing productivity and reducing additives and mistakes. The new method results in lighter, thinner, and more durable structures with improved environmental friendliness.
Researchers have published a detailed appraisal of Friction Stir Welding (FSW), a complex welding technique that can join difficult-to-weld materials. The study concludes that FSW has the potential to be increasingly valuable in modern industry, but scientific understanding is still at an early stage.
Researchers at Case Western Reserve University are converting the laser hot-wire welding process into a high-output 3D additive manufacturing process with partners Lincoln Electric and other industry leaders.
Scientists have developed a new gold-based solder that forms strong, liquid-tight seals when used in laser-welding cuts during intestinal surgery, potentially reducing complications and improving patient outcomes.
Deborah Young-Corbett's research highlights the importance of Prevention through Design in reducing health risks in construction. By designing tools, equipment, and facilities to eliminate occupational hazards, the industry can improve worker safety and reduce illnesses and fatalities.
Researchers at Stanford have created a novel nanowire welding technique using plasmonics that enables precise heating without damaging the wires. This breakthrough allows for the production of stronger, more efficient meshes for various electronic devices and solar applications.
Researchers at Ohio State University have discovered a new way to make steel 7 percent stronger than any steel on record using a heat-treatment called flash processing. The unique microstructure formed by the process boosts ductility, making it a potential impact-absorber for automotive applications.
Researchers found that welders had an average 11.7 percent reduction in dopamine markers in the brain compared to non-welders, suggesting potential neurotoxic effects from manganese exposure. The study also revealed brain changes consistent with manganese deposits, highlighting a potential public health concern for U.S. workers.
A study published in Neurology found that welders exposed to welding fumes had an average 11.7% reduction in dopamine levels in the brain, indicating potential neurotoxic effects. The researchers also discovered brain changes consistent with manganese deposits in welders.
A new nickel alloy consumable has been developed to lessen the risk of breathing toxic fumes on the job. The alloy is compatible with stainless steel and produces no fumes of hexavalent chromium, a toxic form of chromium linked to cancer.
Gold and silver nanowires can form strong bonds without the need for heat, a breakthrough that could simplify the creation of high-density electronic devices. The discovery was made by Rice University researchers who observed the self-healing process under an electron microscope.
A €4.8 million European research project is using computer modelling and laboratory experiments to develop a predictive, cost-effective tool for welding deep-sea gas and oil transportation systems. The MintWeld consortium aims to save lives and money by understanding the process of weld failures.
A new study found that occupational pesticide exposure is associated with an increased risk of developing Parkinson's disease. The study, published in Archives of Neurology, investigated the link between pesticide use and parkinsonism, and found that certain pesticides more than doubled the risk of the disease.
A Mayo Clinic case series reveals a link between long-term welding and neurological impairment, including Parkinsonian syndrome, multifocal myoclonus, vestibular-auditory dysfunction, and mild cognitive impairment. The study emphasizes the importance of adequate fume protective measures to prevent damage from manganese exposure.
A new nickel-based alloy with added gadolinium has been verified as safe for the disposal of spent nuclear energy fuel. The alloy can be fabricated in large quantities using conventional techniques and has a higher neutron-absorption capacity than borated stainless steel.
The Idaho National Laboratory has recognized five scientists, William Apel, James Delmore, Paul Meakin, David Petti, and Herschel Smartt, as its first-ever Laboratory Fellows. They were selected based on their professional knowledge, scientific achievements, and national technical leadership.
Researchers at UCLA have successfully developed a new method of nano flash welding, allowing for the creation of thermally absorbent materials that can weld together without burning. This breakthrough has significant implications for various industries, including chemical sensors, separation membranes, and nano devices.
Researchers have successfully used Non-Contact Ultrasound (NCU) to inactivate bacterial spores, opening up potential for sterilizing mail, medical equipment, food, and more. The technology uses high-frequency sound waves to penetrate materials without causing harm.
Acceleron Electron Beam has secured a $525,000 grant from the U.S. Department of Energy to develop and commercialize a new non-vacuum electron-beam welding technique that can make welds deeper and narrower than conventional techniques, while increasing production rates and reducing costs.
A study of 15 professional welders found they developed typical clinical signs of Parkinson's disease 15 years earlier than the general population. Brain imaging scans revealed no significant difference in dopamine levels between the welders and control patients, suggesting a possible environmental link.
A team of researchers at Ohio State University has created a single, reliable system that combines three sensing techniques to inspect the quality of high-power laser welds. The system can detect faults with significantly better accuracy than individual sensors alone, and is estimated to cost around $7,500 for manufacturing partners.
Researchers developed a new welding technique combining infrared sensors and predictive modeling to create the best seam possible. This approach promises to save the Navy up to $10 million per year at Ingalls shipyard alone, reducing the need for costly corrections.
Researchers at Johns Hopkins University have developed a new form of welding using highly reactive metallic films, which can bond objects at their surfaces without damaging the rest. This process is self-propagating and exothermic, requiring no oxygen to operate, making it suitable for use under water or in airless outer space.