Articles tagged with Ceramic Engineering
Researchers used microwave-based 3D printing to create ceramic components with near-zero porosity and improved strength. The hybrid technique eliminates microscopic holes and traps gas bubbles, allowing for more bending force before breaking.
A new ceramic material overcomes long-standing limits in proton conductivity, achieving record-high performance at intermediate temperatures. The innovative donor co-doping strategy combines increased proton concentration and mobility with chemical stability under various environments.
LIST's patented infrared welding process enables rapid assembly of thick carbon-fibre-reinforced thermoplastic components, reducing weight, costs and environmental impact. The innovation is estimated to reduce CO2 emissions by 12.5 tonnes per wing rib.
Denise Antunes da Silva, a senior R&D staff member at Oak Ridge National Laboratory, has been elected a Fellow of the American Ceramic Society. She is recognized for her sustained excellence in building envelope materials science and meaningful service to the scientific community.
Researchers at Penn State developed seven new high-entropy oxides by removing oxygen during synthesis, stabilizing iron and manganese in ceramics that wouldn't otherwise stabilize. The team used machine learning to identify six additional combinations of metals forming the new materials.
A team of scientists at Penn State has created a more efficient and less dense piezoelectric ceramic material that can harvest energy from waste vibrations. The improved material, made of potassium sodium niobate, is thermally stable, fatigue resistant and performs competitively with existing lead-based materials.
Researchers developed a scalable method for creating complex ceramic structures using binder jet additive manufacturing and advanced post-processing techniques. This innovation enables the production of high-quality, leak-proof components for critical applications like pharmaceutical or chemical processing.
Researchers developed a new 3D printing method that creates strong, high-quality silicon carbide (SiC) ceramic parts at lower temperatures. The method uses vat-polymerization and adds silica to improve material quality, resulting in comparable strength to ceramics sintered at higher temperatures.
Tina Rost will use a $800,000 NSF CAREER award to control the disorder in high-entropy ceramics, making them stronger and more heat-resistant. Her team aims to develop new materials with tailored electrical, magnetic, and mechanical properties using machine learning-enhanced analysis.
International Journal of Extreme Manufacturing (IJEM) achieves a new Impact Factor of 21.3, surpassing 20 for the first time and maintaining its position as top journal in the field. IJEM has attracted submissions from 853 institutions in 81 countries.
Researchers have demonstrated a new technique using lasers to create ceramics that can withstand ultra-high temperatures. The technique allows for the creation of ceramic coatings, tiles, or complex three-dimensional structures, enabling increased versatility in engineering new devices and technologies.
Researchers discovered ferroelectric phenomena at a subatomic scale in Brownmillerite, overcoming collective atomic vibrations limitations. This property enables selective domain formation within tetrahedral layers when an electric field is applied.
The University of Virginia has been awarded a $318,190 grant to develop an electromagnetic levitation system for studying ultra-high-temperature ceramics. This system enables researchers to study materials in their solid and molten states, unlocking new possibilities for aerospace, defense, and industrial applications.
Daniel Oropeza, an assistant professor at UC Santa Barbara, has been awarded a $1 million grant to research near-net-shape fabrication of high-density ceramics. His team aims to create complex geometries using a multi-material deposition system and hot pressing, which could lead to the development of new materials for extreme environme...
Researchers at Kyushu University develop a novel technique for building complex 3D microfluidic networks using plant roots and fungal hyphae in silica nanoparticles. This bio-inspired method enables the creation of intricate biological structures, opening new opportunities for research in plant and fungal biology.
The new material resists cracking and avoids sudden failure, unlike conventional brittle cement-based counterparts. By manipulating the structure of the material itself, researchers achieve significant improvements in toughness without additional material.
By combining design schemes with robotic additive manufacturing, researchers increased crack resistance in concrete by up to 63% compared to conventional cast concrete. The technique relies on mechanisms that shield cracks, interlock fractured surfaces, or deflect cracks from a straight path.
Researchers measured dielectric properties of 11 polyimides to establish correlation between molecular structure and dielectric behavior. The study revealed that higher fluorine content resulted in lower dielectric constant values, enabling potential applications for 6G technologies.
Researchers at ETH Zurich have engineered a thermal trap to deliver heat at high temperatures needed for industrial processes, overcoming the challenge of fossil fuels. The device, which uses solar radiation, absorbs sunlight and converts it into heat, minimizing radiative heat losses and increasing efficiency.
Researchers at the University of California, San Diego have discovered a way to make ceramics tougher and more resistant to cracking. By using metal atoms with more electrons in their outer shell, they unlocked the potential to enable ceramics to handle higher levels of force and stress.
Researchers developed an in situ technique to observe material behavior under various stresses, including shear stress. This allows for precise understanding of how materials respond and identify preferred slip planes.
Researchers at Washington State University have created a strong and high-performance material by mixing Martian regolith with a titanium alloy. The composite showed better properties than the metal alone, making it suitable for making tools or rocket parts on Mars.
The University of Texas at El Paso Aerospace Center will engage in nuclear materials technology research with a five-year, $5 million grant from the US Department of Energy. This partnership aims to transform national nuclear security through nuclear material science applications and provide opportunities for underrepresented students.
Researchers at Pusan National University discovered that tempered glass is more resistant to water-promoted fracture growth than annealed glass. The study found that water droplets penetrate microcracks in glass surfaces, dissolving silicon-oxygen bonds and degrading mechanical strength.