Materials

Coatings, colorants and finishes

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Aerospace

Continuous Sputter Deposition Coating of Long Monofilaments

A thin, uniform coating on long segments of monofilament could drastically improve the functionality of many complex fibers. A length of fishing line, microtubing, or polylactic acid...

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Briefs
Defense

Hydrolytic Stability of Polyurethane-Coated Fabrics Used for Collapsible Fuel Storage Containers

Collapsible fabric fuel tanks have provided critical tactical bulk petroleum storage for military operations for over 50 years. Beginning in the...

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Briefs
Aerospace

Development of Hydrophobic Coatings for Water-Repellent Surfaces Using Hybrid Methodology

Coatings that impart hydrophobic properties are of considerable interest. For applications such as aircraft windows, optical components, protective...

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Application Briefs
Aerospace

Transparent Display Technology

Edgewood Chemical Biological Center Aberdeen, MD 410-436-7118 www.ecbc.army.mil The U.S. Army Edgewood Chemical Biological Center (ECBC) has partnered with the Massachusetts Institute of Technology’s Institute...

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Product Briefs
Manufacturing & Prototyping

Color Multi-Material 3-D Printer

The Objet500 Connex3 color multi-material 3-D printer from Stratasys is the first and only 3-D printer to combine colors with multi-material 3-D printing, according to the company. Suitable for product design,...

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Articles
Aerospace

Pumped Two-Phase Cooling for Thermal Management of High Heat Flux Electronics

Pumped two-phase cooling provides a compact, low pumping power option for thermal management in high heat flux applications (300-500W/cm2). Compared to single-phase...

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Articles
Test & Measurement

Thermal Simulation and Testing of Expanded Metal Foils for Lightning Protection

With the implementation of major aircraft structures fabricated from carbon fiber reinforced plastic materials, lightning protection has become a more complicated...

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Briefs
Materials

Carbon Nanotube Thermal Interfaces Enhanced with Sprayed-On Nanoscale Polymer Coatings

As the semiconductor industry continually strives to increase the power density of single-chip packages, thermal management remains a critical challenge...

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Articles
Aerospace

Using Polyimide In 3D Thin Film Multilayer Circuitry

Today, the cost and complexity of all platforms and systems in military and defense technologies are being challenged by the need for high functionality in smaller but less expensive...

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Articles
Aerospace

Trends in Military System Thermal Management

There is no shortage of challenges facing thermal engineers in today’s military and aerospace applications, from the inherent problems caused by harsh environments to the challenges created by...

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Briefs
Materials

Electrochemical Energy Storage Materials

One of the most important requirements in next-generation batteries is to concurrently deliver high energy density and high power density (fast charge-discharge rates). The high power density requirement...

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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)....

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Articles
Aerospace

New Honing Technology Improves Aerospace Accuracy

Invented more than 70 years ago to de-glaze cylinder bores in early automobile engines, conventional honing today is meeting the most advanced aerospace requirements for ultra-precise machined...

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Briefs
Physical Sciences

Thermal Mechanical Fatigue Crack Growth Testing

Turbines in aircraft turbojet engines are being subject to increasingly higher temperatures to improve fuel efficiency. High turbine efficiency requires the ability of turbine blades to withstand...

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Articles
Aerospace

Micromachining and Material Processing with Amplified Picosecond Lasers

Short pulsed lasers are presently an important tool for manufacturing a variety of devices from smart phones to photovoltaics. When wielded correctly, these lasers can...

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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
Manufacturing & Prototyping

Fabrication of Carbon Nanotube Channels on Three- Dimensional Building Blocks

Single-wall carbon nanotubes (SWNTs) are the most attractive material in the fields of nanoscience and nanotechnology due to their chemical, physical, and electrical...

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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...

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Briefs
Manufacturing & Prototyping

Fabrication of Novel Transparent PMMA Composites for Optical Tagging

The emerging threats caused by improvised explosive devices (IEDs) have drastically increased concerns about soldier survivability. The ability to identify “friend vs....

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Application Briefs
Defense

Chemically Bonded Phosphate Ceramics Stop Corrosion

Corrosion of steel, aluminum, and other structural metals erodes the safety and financial stability of industries and countries alike. Fighting corrosion in ships, tanks, planes, and equipment...

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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...

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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...

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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

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
Photonics/Optics

Advances Toward Affordable High-Energy Laser Modules

A multidisciplinary research project entitled “Affordable High-Energy Lasers” has made numerous contributions to the development of several types of advanced laser modules, including not...

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Briefs
Materials

Silicon Nanowires for Anodes of Rechargeable Li Power Cells

Silicon nanowires have been investigated as alternatives to the graphite heretofore widely used as an anode material in rechargeable lithium-ion power cells. The theoretical specific...

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Briefs
Materials

Films Containing Nanostructures and/or Reactive Scavengers

Several advances have been made in research in the art of tailoring polymeric films to be, variously, (1) much more effective as barriers to diffusion of liquids and gases than they...

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Briefs
Materials

Testing Silver-Coated Nylon Fibers as Electrical Conductors

Tests have been performed in an effort to gain understanding of electrical and mechanical properties of silver-coated nylon fibers subjected to stresses and strains and exposed to...

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Briefs
Materials

Aligned MWCNTs as Thermal Conductors in Adhesive Joints

A developmental method of increasing the thermal conductance of an adhesive joint in a composite-material structure (or between a composite-material structure and another structure)...

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