Materials
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Axial Flux E-Motor Maker Progresses Toward Mobility, Alters Cooling Design
SAE Media first introduced readers to Infinitum in last year’s roundup of e-motor developments. (LINK) The company claims it made a 50% smaller and lighter...
News Materials
CES 2024: Magna Puts Multiple Innovations in New, More Efficient 800v E-Motor
Ahead of its press conference this week at CES in Las Vegas, Magna International showed journalists a brand new 800-volt e-drive motor that it said sets new...
Briefs Aerospace
Additive Manufacturing Utilizing a Novel In-Line Mixing System for Design of Functionally Graded Ceramic Composites
Exploring the development of a direct ink writing system with multimaterial and in-line mixing capabilities for printing inks composed of high solids-loaded ceramic particulate suspensions.
Briefs Aerospace
Hierarchical Diamond-Based Ceramic Composites
This research developed and utilized advanced processing, modeling, and micromechanical tools.
Application Briefs Materials
Add-On Armor Solutions
For added armor, ALLTEC Composite Material of Brazil and Rafael Advanced Defense Systems of Israel recently signed a Memorandum of Understanding (MoU).
Articles Aerospace
A Comprehensive Way to Use Bonding to Improve RF Performance of Low Noise Amplifiers
Is RF engineering a form of black magic? Learn about the challenges in developing a low noise amplifier (LNA) for the aerospace market.
News Materials
‘Active Scents’ Show Potential to Enhance Cabin Experience and Improve Driver Safety
A Tel Aviv, Israel startup company is taking the now-familiar concept of aromatherapy to a new level. Saying its research into “active scents” can...
Technology Report Materials
EMBATT Technology Could Double the Driving Range of EVs
An in-development chassis-integrated sandwich structure of solid electrolytes is projected to deliver all-electric driving ranges that far out-distance today’s typical 200-mile (320...
News Automotive
The GE T901 Will Be the U.S. Army’s Next Gen Helicopter Engine
While GE Aviation’s T700 turboshaft engine has powered the U.S. Army’s Boeing AH-64 Apache attack helicopters and Sikorsky UH-60 Black Hawk utility helicopters for more...
Briefs Materials
Microstructural and Mechanical Characterization of 2-D and 3-D SiC/SiNC Ceramic-Matrix Composites
The purpose of this endeavor was to investigate the effect of 3-D weave architecture on PIP-processed ceramic-matrix composites (CMC)....
Briefs Test & Measurement
Burner Rig Testing of A500® C/SiC
There is growing interest in developing, testing, and deploying ceramic-matrix composites (CMCs) into commercial and military aerospace gas turbine engines due to their durability under extreme conditions and...
News Mechanical & Fluid Systems
Ceramic Matrix Composites in Aircraft Engines Projected to Double over Five Years, Stratview Research Predicts
The use of ceramic matrix composites (CMCs) is up across the aerospace market, and among the fastest-growing trends in the global...
Articles Electronics & Computers
Taming the Thermal Behavior of Solid-State Military Lasers
Laser diodes and laser diode arrays (LDAs) are widely used throughout military systems, for sighting and range finding, but also at high power levels as offensive and defensive weapons....
News Manufacturing & Prototyping
GE Aviation Delivers Improved Turbine Engine During U.S. Army Preliminary Design Review
An updated version of GE Aviation’s T901-GE-900 turboprop engine used in the AH-64 Apache attack and UH-60 Black Hawk utility helicopters...
News Test & Measurement
Designing Composite Engine Cowling for Improved Heat Resistance
When a helicopter is hovering, there is little airflow passing through the engine cowling and hot stagnant air will gather in the engine compartment. During extended hover...
Briefs Materials
Processing and Characterization of Lightweight Syntactic Materials
Conventional composite materials, in which a matrix material is reinforced by particulates, whiskers, and/or continuous fibers, have long been of interest as potential materials...
Briefs Materials
Processing and Characterization of Polycrystalline YAG (Yttrium Aluminum Garnet) Core-Clad Fibers
YAG-based fiber lasers could offer efficient operation at power levels beyond those achievable in current state-of-the-art silica-based fiber...
Briefs Aerospace
Thermal Conductivity Measurement Setup for Low-Temperature Characterization of Laser Materials
Operating lasers at cryogenic temperatures gained maturity only in the mid-90s due mostly to the progress in transparent, laser-grade ceramics and...
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...
Articles Materials
Unlocking the Power of Ceramic Matrix Composites
Faster, lighter, stronger, hotter – words anyone working on military product development is all too used to hearing. In a world where advanced computer modeling and simulation packages are...
Briefs Materials
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...
News Test & Measurement
University of Virginia and Virginia Tech Join Rolls-Royce UTC Network
Virginia Tech and the University of Virginia have joined the global Rolls-Royce University Technology Centers (UTC) network, consisting of research groups in universities...
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...
Briefs Materials
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, and...
Briefs RF & Microwave Electronics
Modeling Supports Energy-Saving Microwave Technologies
During the Apollo Program, astronauts on the Moon encountered a small menace that created big problems: lunar dust. Similar to how tiny bits of Styrofoam behave on Earth — adhering to...
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...
Articles Aerospace
Minimizing Thermal Resistance with Direct Attach Heat Spreaders
As commercial and military electronics applications continue to “push the envelope” with higher powers and smaller packaging requirements, it is becoming more critical to...
Articles Aerospace
Choosing a Capacitor for Use as a Switch-Mode Power Supply Filter
Input filter caps need to be able to supply a quick burst of energy and to suppress noise generated in the switch circuit. Important considerations for the input filter cap are...
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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