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Latest Briefs & News

The ability to predict the mechanical properties of organic semiconductors is of critical importance for roll-to-roll production and...

Metal matrix composites can electrically bridge the cracks that appear in semiconductor substrates and the composite grid lines.
Improved test methods will help alleviate the impact of shock levels on military and commercial ground vehicle components.
Briefs: Test & Measurement
SnowMicroPenetrometer Applications for Winter Vehicle Mobility
Characterizing the mechanical properties of snow and their impact on vehicle performance could improve vehicle winter mobility modeling.
Briefs: Mechanical & Fluid Systems
Hybrid Ultra-Low VOC and Non-HAP Rain Erosion Coatings

Numerous military aircraft and shipboard surfaces, such as radomes, antennas, gun shields, wing leading edges, and helicopter blade leading edges, are coated with a specialized...

Tracking and identifying radiation sources in the age of nuclear proliferation and well- resourced non-state actors is a national priority. Current neutron detection...

Matrix-assisted laser desorption/ionization (MALDI) is a soft ionization technique that is widely applied in the characterization of large biomolecules using...

The U.S. Navy is interested in strategies that divers could employ to protect them from loud underwater sounds. Sonar...

Briefs: Aerospace
Modular Biosensor Patch

Researchers are identifying new biomarkers to help monitor cognition and stress in the human body and enhance human performance. Traditional biomarkers like heart rate, temperature, oxygen partial pressure, blood...

The purpose of this endeavor was to investigate the effect of 3-D weave architecture on PIP-processed ceramic-matrix composites (CMC)....

Lightweight composite structures offer significant long-term cost-saving opportunities for the U.S. Army as replacements for traditional metal structures....

In order to address issues related to mechanical and vibrational stresses that are commonly experienced in mounting, launch,...

The major goals of this research project included two parts. First, an ultracompact plasmonic electro-optical (EO) modulator was to be developed and investigated for efficient...

The objective of this research was to hydraulically pressurize the internal diameter of one 102mm Polymer Matrix Composite (PMC) over-wrapped cylinder up to 25,000 pounds per...

Briefs: Mechanical & Fluid Systems
Low-Cost Ground Sensor Network for Intrusion Detection

Perimeter surveillance of forward operating locations, such as Forward Arming and Refueling Points (FARPs), is crucial to ensure the survivability of personnel and materiel. FARPs are...

A co-prime array uses two uniform linear subarrays to construct an effective difference coarray with certain desirable...

After extensive review from the US Army Research Laboratory (ARL) Electrical Safety Office, it was...

The effective distribution of offensive weapon capabilities to naval units at the tactical edge is a critical focus for Navy leaders. A direct byproduct of this priority...

Briefs: Sensors/Data Acquisition
GPS Enabled Semi-Autonomous Robot

The primary objective of this research is to integrate GPS and local sensory data to allow a robot to operate semi-autonomously outside of a laboratory environment. The Pioneer 3-AT, a robust platform...

When firing artillery, there is typically a maximum angle that the platform cannot exceed relative to the Earth plane. This is due to the large recoil forces...

Briefs: Materials
Natural DNA-Based Nonvolatile Resistive Switching Memory

Motivated by the demand for an even larger storage capacity in the information era, research efforts have been devoted to the development of more efficient and cost-effective memory elements.

Content addressable memory (CAM) is one of the most promising hardware solutions for high-speed data searching and...

Structural analysis of solid rocket motors is challenging for several reasons, but the most important of these is the complex behavior of the propellant. The...

Monitoring trace gases is of great importance in a wide range of applications. Detecting a diverse range of chemical agents requires an adaptable sensor...

Microelectromechanical systems (MEMS) three-axis acceleration threshold sensors have been developed to measure acceleration threshold levels using voltage switching when the...

Microelectromechanical system (MEMS) three-axis acceleration threshold sensors have been developed to measure acceleration threshold levels using voltage switching when...

Briefs: Mechanical & Fluid Systems
Rotating Detonation-Wave Engines

All Navy aircraft and missiles use gasturbine engines for propulsion. Many ships are also dependent on gasturbine engines to generate both propulsive power and electricity. These engines are fundamentally...

Briefs: Mechanical & Fluid Systems
Thermal Analysis and Microhardness Mapping in Hybrid Laser Welds in a Structural Steel

The concept of combining a laser welding system with a conventional arc welding system (GTAW) was first proposed in order to improve the stability of the laser welding system and to allow greater flexibility in part fit-up. Prior research stated that using a...

Briefs: Mechanical & Fluid Systems
Encapsulated Ball Bearings for Rotary Micro Machines

Microelectromechanical systems (MEMS)-fabricated silicon rotary elements for micro-motors, micro-generators, and micro-turbomachinery have received growing attention with applications in...

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