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Briefs Materials
Characterization of Ceramic Composite Materials Using Terahertz Nondestructive Evaluation Techniques
This work describes the use of nondestructive evaluation (NDE) techniques to characterize defects such as rust, voids, etc. in materials, and...
Briefs Materials
Thermo-Elastic Nondestructive Evaluation of Fatigue Damage in PMR-15 Resin
New aircraft are expected to use more composite materials. This drives the need for nondestructive evaluation (NDE) of composite materials. Current aircraft are flown...
Briefs Materials
Solar and Thermal Energy Harvesting Textile Composites for Aerospace Applications
The proposed research focuses on developing novel energy harvesting devices that can be integrated with loadbearing structures in an air vehicle (e.g. a UAV)....
Briefs RF & Microwave Electronics
Fundamentals of Metamaterials for High-Power RF Applications
Recent years have seen a burgeoning interest in the physics and applications of metamaterials. Briefly, metamaterials consist of a periodic array of subwavelength structures that...
Products Materials
Copper Foam
Copper foam from Goodfellow (Oakdale, PA) combines the thermal conductivity of copper with the structural benefits of a metal foam. The matrix of cells and ligaments is repeatable, regular, and uniform throughout the material,...
Products Materials
Hydrophobic Coatings
Boyd Coatings Research Co. (Hudson, MA) has developed the CRC 6000-line Hydrophobic Coating, a customized coating used primarily on radomes, satellite dishes and other communication installations to prevent water film from...
Briefs Materials
Size Scale and Defect Engineered Nanostructures for Optimal Strength and Toughness
Realistic combinations of ceramics and/or semiconductors have been developed that simultaneously achieve high hardness (>40 GPa) and toughness (>400 MPa*m1/2). To achieve this goal, there were three primary objectives: (1) the development of physically base...
Briefs Materials
Investigation of Basalt Woven Fabrics for Military Applications
Basalt rock is a black or gray fine-grained rock in the family of igneous rocks, formed by cooling of molten lava. It is commonly found in the Earth’s crust, is abundant...
INSIDER Defense
Wool Being Reevaluated for High-Performance Combat Clothing
Natick Soldier Research, Development, and Engineering Center has contracted for several efforts with the American Sheep Industry Association and its subsidiary, Sheep Venture Company,...
Briefs Materials
High-Temperature Silicon Carbide Power Module for Military Hybrid Electric Vehicles
The ever-increasing electrical power, power density, and cooling requirements of present and future military platforms are pushing silicon-based power...
Briefs Materials
Transparent Ceramics for High-Energy Laser Systems
When a high-energy laser (HEL) beam transmits through a window material, a part of the laser energy is absorbed by the material and causes optical aberrations. This absorbed energy results in...
Briefs Physical Sciences
Nonlinear Acoustic Metamaterials for Sound Attenuation Applications
An acoustic crystal composed of tightly packed spherical particles can exhibit a wide spectrum of acoustic properties with responses varying from linear to highly nonlinear...
Briefs Materials
Tunable Infrared Material System
The objective of this work was to lay the groundwork for the development of a new tunable II-VI infrared (IR) material system using mature III-V semiconductors as lattice-matched substrates. Mercury cadmium selenide (HgCdSe) was studied as an alternative to mercury cadmium telluride (HgCdTe) as an IRdetecting...
Briefs Photonics/Optics
Rare-Earth-Doped Soft Glass Optical Fibers for Coherent Wavelength Sources Above 2 Microns
Rare-earth-doped soft glass optical fibers were developed and characterized for fiber lasers emitting at wavelengths longer than 2 microns to allow...
Briefs Materials
Room-Temperature Sub-Diffraction-Limited Plasmon Laser
Lasers present the means to deliver powerful, coherent, and directional high-frequency electromagnetic energy. However, the diffraction limit of light imposes fundamental constraints on how...
Briefs Materials
Gallium Nitride High-Power Electronics
Gallium nitride (GaN) high-power electronic (HPE) devices have the potential to outperform those made from 4H-silicon carbide (SiC), the polytype used for HPE devices, because it has a larger critical...
Briefs Materials
Ultraviolet Polymerization of Hydrodynamically Shaped Fibers
Materials composed of stacked plates are stronger than the same materials in bulk. However, such stacked plate materials are generally composed of hard, inorganic materials cemented together by a more flexible substance, and do not occur in long fiber shapes. Very few natural or manmade...
Briefs Materials
Optical Properties of Aligned Carbon Nanotube Mats for Photonic Applications
Carbon nanotubes possess unique electronic properties that are very useful for building electro-optical devices at nanometer scales. In optoelectronic applications, a large number of carbon nanotubes will be assembled in a desired form.
Products Photonics/Optics
AR Coatings for Optical Fibers
Laser Components (Hudson, NH) offers both assembled cables, including coated fibers, and job coatings on fibers supplied by the customer. They also offer anti-reflection coatings, which significantly reduce...
Products Manufacturing & Prototyping
Borosilicate Glass
SCHOTT North America, Inc. (Louisville, KY) presents SUPREMAX® 33 rolled borosilicate glass for telescope applications. SUPREMAX 33, which has the properties of SCHOTT’s BOROFLOAT® 33, provides low thermal expansion, high...
Tech Transfer Reports Materials
Quasicrystalline Aircraft Coating Shows Promise for Cookware, Prosthetics
A technology initially designed to lubricate aircraft parts could lead to more durable nonstick cookware and prosthetic bone-repair implants.
Briefs Weapons Systems
High Critical Current in Metal Organic Derived YBCO Films
High-temperature superconducting (HTS) YBCO wire is a versatile technology for a number of military and commercial applications. However, anticipated military applications such as...
Briefs Materials
Fundamental Interaction Between Gold Nanoparticles and DNA
Quantum dots (QDs) and nanoparticles (NPs) are made of metal and/or semiconductor materials with diameters ranging from 5 to 100 nm. The properties of these nanomaterials, which depend on their size and the material they are made from, are usually completely different than the properties of...
Briefs Materials
Dynamic Response and Failure Mechanisms of Layered Ceramic-Elastomer-Polymer/Metal Composites
A thorough study through a combination of ballistic and impact experiments, microscopic failure characterization, and numerical simulations has been carried out in order to decipher the underlying mechanisms involved in the interaction between a blast...
Briefs Mechanical & Fluid Systems
Functionalized Silk Materials
T he goal of this work was to exploit the novel structural, physical, and biological features of silk proteins towards functionalization of materials systems generated from this family of protein. A new generation of functional silk systems is sought to provide novel materials with precise control of material features....
Briefs Sensors/Data Acquisition
Biodegradable MEMS Based on Cellulose Paper
Electro-Active Paper(EAPap) has been recognized as a new smart material that can be used for sensors, actuators, biomimetic robots, and smart wallpapers. EAPap is made with cellulose paper by coating...
Briefs Materials
Synthesis of Long-Chain-Branched (LCB) Polysulfones for Multifunctional Transport Membranes
Increasing numbers of technologies are based on the idea of harnessing charge transport for useful processes such as energy harvesting, actuation, and sensing. Although much progress exists based on perfluorosulfonated platforms, new and more complicated...
Briefs Materials
Temperature Effect on Drop-Weight Impact of Hybrid Woven Composites
The main idea of composite material is to combine different materials to produce a new material with performance unattainable by the individual constituents. It gives...
Briefs Materials
Shape Memory Polymer Process Development
This work introduces a simple technique of separately fabricating electrospun short fibers. This technique employs a paper mesh, which is placed between the needle tip and counter electrode of the...
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