Latest Stories

Q&A
Transportation

Alternative Fuels Overshadowed in EV Era

Andrea Strzelec, Ph.D., who recently was hired at USCAR (United States Council for Automotive Research) as senior research scientist, has been an SAE member since 2003 and currently serves as Chair of the Energy & Propulsion Activity (formerly Powertrain, Fuels & Lubricants Activity) for SAE. Read on for a portion of the interview featured in the November issue of SAE’s member publication Update.

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Products
Electronics & Computers

New Products

See the new products, including the SST ESF3 third-generation embedded SuperFlash technology NVM solution in the GF 28SLPe foundry process; General Micro Systems' new rugged display using open-standard Thunderbolt™ 4 technology; Rohde & Schwarz' RF test and measurement solutions; and more.

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Articles
Manned Systems

How Business Networks Can Help Stabilize the A&D Supply Chain

If the disruptions of the past few years have taught us anything, it’s that supply chain issues can’t be solved in a vacuum by an individual company, however much leverage that company may wield in the marketplace. These days, it takes a village to keep supply chains humming along.

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Articles
Aerospace

Unlocking the Potential of 3D-Printed Polymers in Aerospace and Defense

As we look ahead, it’s evident that the aerospace and defense industries are at the forefront of leveraging the potential of additive manufacturing. They are the main reason for the advent of high-performance polymers in AM.

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Articles
Manned Systems

How to Select the Right Silicone for Space Applications

Selecting the right silicone manufacturer with a proven track record of extensive experience in the application and customization of space-grade silicones is as important as considering the materials’ function, purity and process requirements when choosing a silicone for space applications.

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Articles
RF & Microwave Electronics

Key Measurements to Maintain Performance of Critical Electronic Systems on Military Aircraft and Warships

Wireless technology is a critical element of the modern battlefield, making accurate and consistent transmissions of high-speed data essential for mission success. Ensuring wireless system performance has additional challenges when implemented on warships and aircraft.

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Articles
Photonics/Optics

Physicists Develop a New Type of Antenna

This research and demonstration presents a simple technique for a remote Rydberg-atom-based RF sensor, which was verified for distances of up to 30 m between the passive sensing unit and the base station — currently limited by the length of the hallway used in the demonstration.

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Articles
Materials

How Distributed Metal Additive Manufacturing Can Add a Surge to Military Supplier Strategies

By embracing advanced metal additive manufacturing, ammunition and systems manufacturers can enhance their responsiveness to changing demands and better secure their supply chains against potential threats.

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Articles
Test & Measurement

Ensure Aerospace Composite Quality with Force Measurement, Material Testing

Force measurement and material testing is an essential process for product designers and manufacturers to ensure part integrity, and to gain insightful data for creating the highest quality composite components.

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Application Briefs
Manned Systems

RS-25 Rocket Engines

Aerojet Rocketdyne, an L3Harris Technologies company, recently completed installation of all four RS-25 main engines on the core stage of NASA’s second Space Launch System (SLS) exploration rocket, binding them to a common destiny: launching humans beyond low Earth orbit for the first time in more than five decades.

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Articles
Communications

Managing the Evolution of the EV Charging Standard

Grayson Brulte, host of SAE’s Tomorrow Today podcast, interviewed Christian Thiele, Director, Global Ground Vehicle Standards, SAE International, and Dr. Rodney McGee, P.E. Chairman, SAE J3400 NACS Task Force, regarding the work of the J3400 Task Force. This Q&A is an abbreviated portion of that interview.

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Articles
Energy

Mistakes to Avoid When Integrating a Battery Test System

It’s not easy to configure a battery cycle test system for EV batteries and similar high-power batteries. This article covers the mistakes that engineers sometimes make when integrating a battery test system.

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Articles
Electronics & Computers

Zonal Electrical Architectures Cut Vehicle Wiring-System Cost, Complexity

Ultimately, zonal architectures require a fundamentally reorganized software structure that allows the OEM to independently, quickly, easily, and modularly adapt the control of the entire vehicle while minimizing the complexity in the wiring harness and the number of control devices.

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Articles
Manufacturing & Prototyping

Modeling Considerations for Optimizing EV Motors

Optimizing EV motors before they hit the market is crucial. As the demand for clean energy vehicles grows, customers need assurance that their chosen vehicle is reliable and fulfills sustainability promises.

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Application Briefs
Aerospace

Quantum Sensing Atomic Gyroscope

The Defense Science Board identified three areas of quantum technology that will be most relevant to the DoD's technological superiority: sensing, encryption, and communications.

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Application Briefs
Propulsion

New CFM56 High Pressure Turbine Blades

CFM International has introduced a new design for High-Pressure Turbine blades featured on the CFM56 engine, one of the most widely used engines on thousands of in-service commercial and military aircraft, including the Airbus A320 and the Next Generation Boeing 737.

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Application Briefs
Manned Systems

Air Force Receives First Joby eVTOL

The U.S. Air Force received its first electric vertical takeoff and landing aircraft from Joby Aviation six months ahead of the expected 2024 delivery date. The delivery was completed during a September ceremony at Edwards Air Force Base.

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Briefs
Aerospace

Towards Sustainable Recycling of Epoxy-Based Polymers: Approaches and Challenges of Epoxy Biodegradation

Epoxy polymers are widely used in various industries. However, the disposal of epoxy polymers and composites thereof has become a significant concern due to their recalcitrant nature and the adverse environmental effects caused by traditional recycling methods.

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Briefs
Manufacturing & Prototyping

Composite Repair Engineering Case Studies for U.S. Army Aerostructures

As technologies develop, aircraft mature, and strides are made in advanced materials development and analysis, aircraft have increased use of advanced composites within the aerostructure. These advanced materials are now being used in highly loaded structures, including aerodynamic profiles.

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Briefs
Aerospace

Assessment of Noncommercial Icing Prediction Capabilities for Army Applications

Historically, smaller Unmanned Aerial Systems (UAS), such as Class 2 RQ-1B Raven and Class 3 RQ-7Bv2 Shadow, have been restricted to not be approved to fly in icing conditions under the assumption that any ice accretion would cause an unacceptable risk of loss of the aircraft.

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Briefs
Aerospace

Modeling and Experimenting with 2D Materials for CMOS Type Devices and Digital Integrated Circuits

Two-dimensional transition metal dichalcogenides have been proposed as novel optoelectronic materials for space applications due to their relatively light weight. MoS2 has been shown to have excellent semiconducting and photonic properties. Here, we report the effect of gamma irradiation on the structural and optical properties of a monolayer of MoS2.

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Products
Manufacturing & Prototyping

New Products

See the new products this month, including Motor Stator Busbars for EVs; high-power, liquid-cooled configurable power solution; a compact, automated battery cycler and test system; and more.

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Briefs
Energy

Improving Battery Performance with More Efficient Electrodes

To improve battery performance and production, Penn State researchers and collaborators have developed a new fabrication approach that could make for more efficient batteries that maintain energy and power levels.

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Briefs
Energy

New Technique for Environmentally Friendly Battery Recycling

Researchers at Chalmers University of Technology, Sweden, have created a new and efficient way to recycle metals from spent electric vehicle (EV) batteries. The method allows recovery of 100 percent of the aluminum and 98 percent of the lithium in EV batteries.

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Briefs
Manufacturing & Prototyping

Designing Solid-State Batteries with Mechanics in Mind

A team developed a framework for designing solid-state batteries (SSBs) with mechanics in mind. Their paper, published in Science, reviewed how these factors change SSBs during their cycling.

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Briefs
Power

New Gel Polymer Electrolyte to Revolutionize the Safety of Li-ion Batteries

A collaborative research team has achieved a groundbreaking milestone in battery technology. Their remarkable achievement in developing a non-flammable gel polymer electrolyte is set to revolutionize the safety of Li-ion batteries by mitigating the risks of thermal runaway and fire incidents.

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Technical Innovation
Regulations/Standards

Cummins’ New Mid-Displacement Turbos Quieter and More Efficient

Cummins announced its seventh-generation series HE250 and HE300 wastegate turbochargers for medium displacement on- and off-highway commercial engines. The turbos are sized...

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News
Energy

The Future of Carbon-Neutral Fuels for Heavy-Duty Machines

Decarbonization of commercial vehicles and off-highway machines is rapidly becoming a hot-button topic among regulators in the EU, Asia and North America. In addition to cracking...

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Original Equipment
Mechanical & Fluid Systems

Cat Reveals All-New 255 and 265 Compact Track Loaders

Caterpillar revealed its next-generation 255 and 265 compact track loaders at its Edwards Demonstration and Learning Center in Peoria, Illinois, in October. Based on D3 series, the 255...

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