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Briefs Materials
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 Materials
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 Materials
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 Manufacturing & Prototyping
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...
Briefs Materials
Tomographic Electrical Resistance-Based Damage Sensing in Nano-Engineered Composite Structures
Advanced composite materials are increasingly replacing metals in the aerospace industry as they offer weight-saving improvements such as high...
Briefs Materials
Fire Resistance of Geopolymer Concretes
Geopolymer concrete has been proposed as an alternative to Portland cement concrete in applications requiring high degrees of fire resistance, because the intrinsic chemistry of the geopolymer binder does...
Briefs Materials
Outdoor Synthetic Aperture Acoustic Ground Target Measurements
A novel outdoor synthetic aperture acoustic (SAA) system consists of a microphone and loudspeaker traveling along a 6.3-meter rail system. This is an extension of a prior indoor...
Tech Transfer Reports Materials
Polymer Coating Material Limits Computer Damage Caused by Vibrations
Cornerstone Research Group (Dayton, OH) has developed an organic, polymer-based material that can be directly applied to any circuit board — as well as other metal- and...
Briefs Materials
Templated Synthesis of Aluminum Nanoparticles for Stable Energetic Materials
Reactive nanoparticles as energetic materials have received much recent attention for a variety of existing and/or potential applications. Among more extensively...
Briefs Materials
Real-Time Intelligent Chemical and Biological Nanosensors on a Flexible Platform
The objectives of this research are to examine the feasibility of real-time sensing of chemical and biological species by using the unique materials and electronic...
Briefs Materials
Nanodomain Model of Polymer-Derived Ceramics
Areport discusses a model developed to explain the unusual properties of polymer- derived ceramics (PDCs), which are so named because they are made by controlled pyrolysis of cross-linked polymers. PDCs are metastable ceramics that have potential to be further developed into high-temperature materials...
Briefs Materials
Performance Evaluation of Commercial Carbon Monofluoride Materials in Lithium Batteries
The performance of six different commercially available carbon monofluoride (CFx) materials was evaluated at four different discharge rates. The physical...
Tech Transfer Reports Materials
Shape-Memory Material Could Improve Prosthetics
A shape-memory composite material developed for satellite antennas could prove useful in prosthetics and next-generation ski boots. The material, identified by the trade name TEMBO®, was...
Briefs Materials
Validation of Hazardous Air Pollutant (HAP)-Free Torque Seal Inspection Lacquer
The Army uses numerous adhesives and sealants, among other coating materials, that contain significant amounts of hazardous air pollutants (HAPs). This work...
Briefs Materials
Modeling Defects in Transparent Ceramics to Improve Military Armor
The dominant materials solution used for ballistic transparency protection of armored tactical platforms in commercial and military applications is low-cost glass backed by...
Briefs Materials
RF Polymer Composites for Electromagnetic Systems
Design of polymer composites with specific engineered electromagnetic properties are of use in a variety of physical electromagnetic systems above 100 MHz. In physical electromagnetic systems such as GPS, radomes, WiFi, etc., proper choice of the material can be transformative in that it can yield...
Briefs Materials
Characterization of High-Temperature Polymer Thin Films for Power Conditioning Capacitors
Wide bandgap semiconductors (e.g., silicon carbide) will enable operation of military systems at temperatures above 150 °C, which eases thermal...
Briefs Materials
Multifunctional Properties of Structural Gel Electrolytes
Due to the demand for more advanced and lightweight systems, multifunctional composite structures that can function as electrochemical energy converters, while bearing mechanical load, are in development. This research involves a materials-based approach in which each component of the system...
Briefs Materials
Wettability Tests of Polymer Films and Fabrics
High-strength polymer materials are useful components in many multifunctional materials applications. However, because of low reactivity, their use is inhibited in many processing techniques....
Tech Transfer Reports Manufacturing & Prototyping
Ceramic Manufacturing Technique Opens New Markets
Traditionally, ceramics have been thought of as hard and brittle, yet able to tolerate high temperatures. Now, Advanced Ceramics Research (ACR) of Tucson, AZ has developed a method of...
Briefs Materials
Novel Conductive Coatings of Carbon Nanotubes
Carbon nanotubes (CNTs) are the material of ever-increasing concern due to their excellent electronic and physicochemical properties. Currently, research has been focused towards their applications for use in chemical and biological sensors as well as their use in optoelectronic devices. One of the...
Briefs Materials
Mechanical Response of an Al-PTFE Composite to Uniaxial Compression Over a Range of Strain Rates and Temperatures
Reactive materials can be loosely categorized as composites of inert solid materials which, when subjected to a violent mechanical...
Briefs Materials
Polymer Matrix Composite Materials for a Structural Multifunctional Fuel Cell
A structural multifunctional fuel cell design enables material elements participating in power or energy processes to also carry significant structural loads. Power...
Briefs Materials
Fluidic Flexible Matrix Composites for Autonomous Structural Tailoring
In previous research, a high-mechanical- advantage actuator system inspired by the fibrillar networks in plant cell walls was developed. One of the basic elements in the...
Briefs Materials
Cluster-Assembled Soft Magnets for Power Electronics Applications
This technique uses nanocluster assembly to produce model soft magnetic materials with simpler chemical composition than existing materials and well-controlled nanostructure, and...
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