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Materials

2022 Honda Civic Hatchback Enjoys Premium Assembly, Weight-Cutting Measures

As a veteran manufacturing engineer, Jill Fuel was an ideal choice for the project leader for the production launch of Honda’s 2022 Civic Hatchback at Honda's...

Articles
Manned Systems

Advancing Metrology at Mach Speed

Drone-mounted inspection tools are breaking barriers for the F-35.

Briefs
Test & Measurement

MIL-DTL-32628/01-X Reusable EMI Shield Termination Band on MIL-DTL-38999 Electrical Connector Accessory Braid Termination/Tensile Qualification Test

A series of reusable bands were evaluated for tensile strength performance.

Articles
Photonics/Optics

More Bang for the Buck: A New Design and Manufacturing Method for Deep Penetrating Bomb Cases

There is a new way to design penetrators and projectiles: Composites.

News
Test & Measurement

Virtual and Physical Testing of Third-Generation High Strength Steel

Developing lightweight, stiff and crash-resistant vehicle body structures requires a balance between part geometry and material properties. High-strength materials...

Articles
Manufacturing & Prototyping

Ruggedizing Coaxial and Fiber Optic Cable Assemblies from Mechanical Strain

Learn how to protect critical conductors, dielectric, and optical fibers from deforming, cracking, or unraveling

Articles
Propulsion

Limiting Creep in Aerospace Materials

Creep is an especially important consideration for engineers designing jet engine turbines.

Briefs
Electronics & Computers

Molecular Engineering for Mechanically Resilient and Stretchable Electronic Polymers and Composites

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

News
Materials

EOS Releases Four New Metal Materials for Series Additive Manufacturing

Global provider of industrial additive manufacturing (AM) metals and polymers, EOS GmbH, has released four news metal AM materials for 3D-printing. EOS...

News
RF & Microwave Electronics

Breakthroughs in 3D-Printing Give Way for Promising Textile Lithium Battery Technology

At the convergence of 3D-printing and lithium battery technology, Hong Kong researchers develop a promising textile-based, foldable battery that may...

Articles
Defense

Designing With Plastics for Military Equipment

U.S. soldiers carry loads of equipment and protective gear that can weigh anywhere from 45 to 130 pounds. This is more than enough to quickly tire even the most well-conditioned personnel,...

Articles
Aerospace

Using Sintered Fiber Metal Composites for Aircraft Acoustic Attenuation

Sintered fiber metal composites are used in aircraft as an acoustic media within environmental ducting, inlet and exhaust systems. The material can be engineered to meet...

Briefs
Defense

Spectrum Fatigue of 7075-T651 Aluminum Alloy Under Overloading and Underloading

Most structural members and machine components are subjected in service to cyclic loadings of varying amplitude. The variation in stress level follows either a...

Briefs
Materials

Thermal Response of Ultra-High Molecular Weight Polyethylene (UHMWPE) Materials in a Flash Flame Test

Testing was performed on Ultra-High Molecular Weight Polyethylene (UHMWPE) fabric and composite material in a flash flame environment when...

Briefs
Materials

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...

Articles
Aerospace

Next-Generation Antenna Design

Materials and Processes Enable New Possibilities for Unmanned Systems Command & Control

Unmanned vehicles are finding increasing usage in military engagements, not only for aerial applications but also...

Articles
Aerospace

Designing Firearm Recoil Springs

Compression springs are a critical component of firearm performance and durability. Making a recoil compression spring perform properly in the extremely limited space available in most firearms, and ensuring...

Articles
Electronics & Computers

Carbon Nanotube Technology Promises a Revolution in Electrical Cabling

While carbon nanotube technology (CNT) has generated widespread interest for applications ranging from semiconductors to medical, one area that is a focus of research at...

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

High Strain Rate Mechanical Properties of Glassy Polymers

Arange of experimental data has been generated describing the response of glassy polymers to high strain rate loading in compression. Recently, research programs that study the combined effects of temperature and strain rate have made significant steps in providing better understanding of...

Briefs
Physical Sciences

Fatigue Crack Detection Via Load-Differential Guided Wave Methods

Guided waves (e.g., Lamb waves) have been considered for many structural health monitoring (SHM) applications because of their ability to travel long distances and maintain...

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...

Application Briefs
Defense

Fluorosilicones

A broad operating temperature range, fuel resistance and long-term reliability are some of the unique properties of fluorosilicones that make them useful in aerospace applications. To demonstrate their effectiveness, NuSil...

Articles
Aerospace

Using Fiber Metal Abradable Seals in Aerospace Turbine Applications

Limiting leakage in aerospace turbo-machinery has been a focus of engineers ever since the advent of the turbine. An increasing number of companies are finding that fiber...

Application Briefs
RF & Microwave Electronics

Impact of Materials on Microwave Cable Performance

The environments in which microwave cable assemblies are being used today are becoming more challenging with exposure to such conditions as extreme temperatures, chemicals, abrasion, and...

Briefs
Electronics & Computers

MEMS Resettable Circuit Breaker and Switch for DC-DC Voltage Converters

Resettable circuit breaker cantilevers use silicon dioxide (SiO2) for temper ature compensation. The compressive stress in the SiO2 causes the...

Briefs
Electronics & Computers

Differential Amplifier Circuits Based on Carbon Nanotube Field Effect Transistors (CNTFETs)

Since their discovery, carbon nanotubes (CNTs) have been extensively studied for their great potential in a variety of applications. Several desirable properties that CNTs possess include a high thermal conductivity, high electrical mobility, high...

Briefs
Mechanical & Fluid Systems

Membrane Pump for Synthetic Muscle Actuation

A synthetic muscle has been developed that uses inflatable balloons to produce a tensile force from a positive pressurization. Mechanical supply and ducting is used to provide the required pressurization. However, the mechanical supply and ducting that is currently used is limited in several respects....

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...