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Briefs
Nanotechnology

Cold Sprayed Coatings with Dual Nanoparticle Reinforcements for Wear and Corrosion Protection

The use of cold spray has made significant strides since different-sized particles were explored in the process.

Articles
Aerospace

Remanufacturing Reimagined: How Selective Electroplating Extends Service Life and Reduces the Cost of Aerospace Components

Selective brush plating has dramatically evolved from its origins of touching up existing plating jobs.

Articles
Test & Measurement

Does Your Coating Thickness Meet Spec?

Coatings play a critical role in preventing the corrosion or wear of metal substrates. Make sure they meet specifications.

Briefs
Test & Measurement

Sensing Applied Load and Damage Effects in Composites with Nondestructive Techniques

Determine the effects of applied load on a composite structure.

Articles
Aerospace

Using Thermoplastics in Aerospace Applications

In August 2017, Qantas Airlines laid down the challenge to both Boeing and Airbus to offer an aircraft that can cross one of aviation's “last frontiers.” That “last frontier” was an...

Articles
Aerospace

Improving Component Life in Abrasive, Corrosive Aerospace Environments

In industries such as aerospace, characterized by extreme operating environments that push materials and components to the edge of their design capabilities, companies...

Articles
Materials

New Products & Services

Metric-Sized Metal Shapes

Parker Steel Company (Maumee, OH) offers metric-sized metals suitable for applications where presized metric parts are needed. Parker Steel’s cold-finished carbon steel, alloyed...

Briefs
Materials

Stress-Corrosion Cracking and Corrosion Fatigue Impact of IZ-C17+Zinc-Nickel on 4340 Steel

The protection of cathodic metallic materials used for aircraft components, like 4340, Aermet 100, and PH 13-8 corrosion-resistant steel, is critical...

Articles
Aerospace

Thermal Management of Laser Diodes

High-power laser diodes can generate a great deal of heat. Even for laser diodes operating with 70% or higher efficiency, a large amount of applied energy is converted to heat. Since the performance and...

Articles
Aerospace

Simulating Thermal Expansion in Composites with Expanded Metal Foil for Lightning Protection

The Boeing 787 Dreamliner is comprised of more than fifty percent carbon fiber reinforced plastic (CFRP) due to the material’s light weight and...

Briefs
Defense

Design of a Multi-Segmented Magnetic Robot for Hull Inspection

Hull, deck plate, and tank inspection for corrosion, deformation, and fractures is a necessary part of ship maintenance to ensure functional integrity and proper operation of the...

Briefs
Defense

Quantitative Diagnostics of Multilayered Composite Structures with Ultrasonic Guided Waves

Aging infrastructure has a major impact on safety, increasing the need to assess damage severity. Machinery, systems, and components such as...

Briefs
Defense

Reactive, Multifunctional, Micellar, Composite Nanoparticles for Destruction of Bio-Agents

Multifunctional composites have been investigated for destruction of bio-agents. These materials’ unique properties at the nano scale, including...

Technology Update
Defense

MTU Develops New Turbine Blade Material in Record Time

MTU Aero Engines announced in March that its internal experts and industry partners have jointly developed a new class of intermetallic, high-temperature materials for highly stressed...

Technology Update
Aerospace

Toho Tenax Develops 'Super-Heat-Resistant' Prepreg for Engine Apps

Toho Tenax Co., Ltd. announced Nov. 6 that it has developed a new prepreg — a carbon-fiber sheet pre-impregnated with matrix resin — that offers super-high-heat and...

Articles
Aerospace

Computer Simulation’s Role in Advancing Composite Aircraft Structures

Many of the computer simulation tools used today got their start in the Aerospace industry but their use has always been coupled with significant physical testing. The...

Technology Update
Defense

Enabling high-strength composites to reach their full potential

The use of composite materials for construction of aerospace components began in the early 1980s and is now the material of choice for commercial and military airframe...

Articles
Aerospace

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...

Briefs
Materials

Lipid Layer-Based Corrosion Monitoring on Metal Substrates

Corrosion is a deforming process that costs the United States Department of Defense (DOD) approximately $23 billion annually and accounts for 23% of all DOD maintenance. Exhaustive...

Briefs
Test & Measurement

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,...

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...

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...

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

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
Medical

Update on Implantable Sensors for Metabolic Monitoring

Progress has been made in a continuing effort to develop surgically implantable, biocompatible electrochemical- sensor arrays for continuous measurement of concentrations of analytes...

Briefs
Electronics & Computers

Microscale Electrical Contacts for Self-Assembly

An experimental study of self-assembly processes in which small, heterogeneous components become spontaneously aligned with each other and bonded through soldering of mating electrical...

Briefs
Materials

GOx/CNT/Silica Composites for Bioelectrodes

Composites of glucose oxidase (GOx), carbon nanotubes (CNTs), and biologically synthesized silica have been synthesized and tested. These composites are prototypes of biological/electrical...

Briefs
Materials

Alloys for Nozzles of Hypersonic Wind Tunnels

Alloys are being developed for nozzles of hypersonic wind tunnels to be used in testing components of future hypersonic missiles, aircraft, and space transportation systems. The nozzle components...

Briefs
Test & Measurement

Measuring Corrosion-Related Properties of Coupled Metals

Amethod and apparatus have been conceived for using electrochemical impedance spectroscopy (EIS) for determining rates of corrosion of coupled metals. EIS has been used heretofore for...