Materials & Manufacturing

Browse innovative developments in materials and manufacturing that significantly impact military, medical devices, automotive, and industrial manufacturing. Advances in plastics, metals, and composites are transforming 3D printing and rapid prototyping.

Over the past 30 years, significant technology gains in polymer engineering have greatly expanded the applications suited to adhesive bonding with epoxy resins. Advanced bonding...

Briefs: Materials
Electrochemical Ultracapacitors Using Graphitic Nanostacks

Electrochemical ultracapacitors (ECs) have been developed using graphitic nanostacks as the electrode material. The advantages of this technology will be the reduction of device size due to superior power densities and relative powers compared to traditional activated carbon electrodes....

Briefs: Materials
Large-Strain Transparent Magnetoactive Polymer Nanocomposites

A document discusses polymer nanocomposite superparamagnetic actuators that were prepared by the addition of organically modified superparamagnetic nanoparticles to the polymer matrix. The nanocomposite films exhibited large deformations under a magnetostatic field with a low loading...

Harnessing solar energy can be as simple as tuning the optical and electronic properties of metal oxides at the atomic level by making an artificial crystal or super-lattice...

News: Materials
'Tunable' Metal Films Increase Electrical Conductivity

Cornell chemists have developed a way to make porous metal films with up to 1,000 times the electrical conductivity offered by previous methods. Their technique opens the door to creating a wide variety of metal nanostructures for engineering and biomedical applications.

The new...

Briefs: Manufacturing & Prototyping
Processing of Nanosensors Using a Sacrificial Template Approach

A new microsensor fabrication approach has been demonstrated based upon the use of nanostructures as templates. The fundamental idea is that existing nanostructures, such as carbon nanotubes or biological structures, have a material structure that can be used advantageously in order...

Briefs: Manufacturing & Prototyping
Fabrication of a Cryogenic Bias Filter for Ultrasensitive Focal Plane

A fabrication process has been developed for cryogenic in-line filtering for the bias and readout of ultrasensitive cryogenic bolometers for millimeter and submillimeter wavelengths. The design is a microstripline filter that cuts out, or strongly attenuates, frequencies...

Articles: Manufacturing & Prototyping
3D Printing Gets Real

3Dprinting grabs a lot of attention — as much for its futuristic potential as for what it can do today. Send a 3D printer to the Moon, some imagine, and print out a city. Is your coffee maker dying? Just print...

Briefs: Materials
High-Temperature Shape Memory Polymers

Shape memory materials undergo physical conformation changes when exposed to an external stimulus, such as a change in temperature. Such materials have a permanent shape, but can be reshaped above a critical temperature and fixed into a temporary shape when cooled under stress to below the critical...

Briefs: Materials
Non-Toxic, Low-Freezing, Drop-In Replacement Heat Transfer Fluids

A non-toxic, non-flammable, low-freezing heat transfer fluid is being developed for drop-in replacement within current and future heat transfer loops currently using water or alcohol-based coolants. Numerous water-soluble compounds were down-selected and screened for...

Briefs: Materials
Modular Flooring System

The modular flooring system (MFS) was developed to provide a portable, modular, durable carpeting solution for NASA’s Robotics Alliance Project’s (RAP) outreach efforts. It was also designed to improve and replace a modular flooring system that was too heavy for safe use and transportation. The MFS was developed for...

Briefs: Materials
Materials That Enhance Efficiency and Radiation Resistance of Solar Cells

A thin layer (≈10 microns) of a novel “transparent” fluorescent material is applied to existing solar cells or modules to effectively block and convert UV light, or other lower solar response waveband of solar radiation, to visible or IR light that can be more...

Making hydrogen fuel cells practical on a large scale requires them to be more efficient and cost effective, and a research team from the University of Central Florida may have...

Briefs: Manufacturing & Prototyping
Carbon Nanotube Bonding Strength Enhancement Using Metal “Wicking” Process

Carbon nanotubes grown from a surface typically have poor bonding strength at the interface. A process has been developed for adding a metal coat to the surface of carbon nanotubes (CNTs) through a “wicking” process, which could lead to an enhanced bonding...

Briefs: Manufacturing & Prototyping
Germanium Lift-Off Masks for Thin Metal Film Patterning

A technique has been developed for patterning thin metallic films that are, in turn, used to fabricate microelectronics circuitry and thin-film sensors. The technique uses germanium thin films as lift-off masks. This requires development of a technique to strip or undercut the germanium...

Briefs: Manufacturing & Prototyping
Multi-Layer Far- Infrared Component Technology

A method has been developed for fabricating high-reflectivity, multi-layer optical films for the terahertz wavelength region. A silicon mirror with 99.997-percent reflectivity at 70 μm wavelength requires an air gap of 17.50 μm, and a silicon thickness of 5.12 μm. This approach obtains...

Briefs: Materials
Sealing Materials for Use in Vacuum at High Temperatures

Sealing materials that can be applied and left in place in vacuum over a wide range of temperatures (especially temperatures of a few thousand degrees Celsius) have been conceived and investigated for potential utility in repairing thermal-protection tiles on the space shuttles in orbit...

Briefs: Materials
Radiation Shielding System Using a Composite of Carbon Nanotubes Loaded With Electropolymers

Single-wall carbon nanotubes (SWCNTs) coated with a hydrogen-rich, electrically conducting polymer such as polyethylene, receive and dissipate a portion of incoming radiation pulse energy to electrical signals that are transmitted along the CNT axes, and...

Briefs: Materials
Nano Sponges for Drug Delivery and Medicinal Applications

This invention is a means of delivering a drug, or payload, to cells using non-covalent associations of the payload with nanoengineered scaffolds; specifically, functionalized single-walled carbon nanotubes (SWNTs) and their derivatives where the payload is effectively sequestered by the...

Briefs: Materials
Molecular Technique to Understand Deep Microbial Diversity

Current sequencing-based and DNA microarray techniques to study microbial diversity are based on an initial PCR (polymerase chain reaction) amplification step. However, a number of factors are known to bias PCR amplification and jeopardize the true representation of bacterial diversity....

Briefs: Materials
Methods and Compositions Based on Culturing Microorganisms in Low Sedimental Fluid Shear Conditions

The benefits of applying a low sedimental fluid shear environment to manipulate microorganisms were examined. Microorganisms obtained from a low sedimental fluid shear culture, which exhibit modified phenotypic and molecular genetic...

The James Webb Space Telescope (JWST) will observe primarily the infrared light from faint and very distant objects. But all objects, including telescopes, also emit infrared...

News: Green Design & Manufacturing
Identifying Effective Carbon Capture Technologies

Approximately 75 percent of electricity used in the U.S. is produced by coal-burning power plants that expel carbon dioxide into the atmosphere. Berkeley Lab researchers are searching for...

Power Felt is a new thermoelectric device developed by researchers at the Center for Nanotechnology and Molecular Materials at Wake Forest University. By touching a small...

News: Green Design & Manufacturing
New Approach to Graphene Electronics

Graphene has been touted as the next silicon, but it is too conductive to be used in computer chips. A University of Manchester team led by Nobel laureates Professor Andre Geim and Professor Konstantin...

News: Green Design & Manufacturing
Web Tool Analyzes Solar Cell Materials

An online tool developed by MIT researchers called “Impurities to Efficiency” - or I2E - allows companies or researchers exploring alternative manufacturing strategies to plug in descriptions of...

News: Green Design & Manufacturing
Welding Nanowires With Light

Electrically conductive meshes made of metal nanowires promise exceptional electrical throughput, low cost, and easy processing in applications like video displays, LEDs, and thin-film solar cells. However, in processing, these meshes must be heated or pressed to unite the crisscross pattern of nanowires that form...

Products: Green Design & Manufacturing
Bioplastic Enclosures

OKW Enclosures, Inc. (Bridgeville, PA) is now offering its design-oriented standard plastic enclosures in a bioplastic material. This biomaterial is manufactured from renewable raw materials and is formulated to replace...

An international team of researchers has developed a process that improves the efficiency of generating electric power using molecular structures extracted from plants. The system taps into photosynthetic processes...

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