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Content tagged with Government/Defense
posted in August 2014
Top 20 US Undergraduate Engineering Schools
Blog 
8/29/2014  49 comments
Take a look at the top 20 US undergraduate engineering programs. Then tell us -- did your school make the cut?
ASTM Proposes New Standards for Metal 3D Printing
Engineering Materials 
8/29/2014  6 comments
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Video: 1,000 Swarming Robots Self-Assemble
Engineering Materials 
8/28/2014  13 comments
The biggest robot swarm to date is made of 1,000 Kilobots, which can follow simple rules to autonomously assemble into predetermined shapes. Hardware and software are open-source.
Update: Converting Plastics to Energy Could Boost US Reserves
Engineering Materials 
8/27/2014  23 comments
Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
Programs & Technology Boost Manufacturing's Return
Blog 
8/26/2014  3 comments
Programs to boost domestic manufacturing combined with technological advances are bringing production back to the US.
Survey: Engineers Uncertain About CAFE Materials Choices
Engineering Materials 
8/25/2014  4 comments
This year's Dupont-sponsored WardsAuto survey of automotive designers and other engineers shows lightweighting dominates the discussion. But which materials will help them meet the 2025 CAFE standards are not entirely clear.
Report: Metamaterials Will Partly Depend on Additive Manufacturing
Engineering Materials 
8/20/2014  8 comments
Artificially created metamaterials are already appearing in niche applications like electronics, communications, and defense, says a new report from Lux Research. How quickly they become mainstream depends on cost-effective manufacturing methods, which will include additive manufacturing.
SpaceX Reveals 3D-Printed Rocket Engine Parts
Engineering Materials 
8/19/2014  9 comments
SpaceX has 3D printed and successfully hot-fired a SuperDraco engine chamber made of Inconel, a high-performance superalloy, using direct metal laser sintering (DMLS). The company's first 3D-printed rocket engine part, a main oxidizer valve body for the Falcon 9 rocket, launched in January and is now qualified on all Falcon 9 flights.
How to Machine Aerospace-Grade Composites
News 
8/18/2014  21 comments
UK researchers have come up with a method for machining aerospace-grade, carbon fiber-reinforced composites, along with high-strength aerospace alloys, using an ultrasonically assisted machining device. It also works on high-strength aerospace alloys.
Injection-Moldable Composite Beats Metal Specs
Engineering Materials 
8/15/2014  18 comments
A new thermoplastic composite for high-speed, high-volume injection molding has tensile strength that's close to, and sometimes better than, either lay-up composites or metals.
Lawrence Livermore & MIT 3D-Print New Super-Light, Super-Strong Materials
Engineering Materials 
8/14/2014  9 comments
Lawrence Livermore National Laboratory and MIT have 3D-printed a new class of metamaterials that are both exceptionally light and have exceptional strength and stiffness. The new metamaterials maintain a nearly constant stiffness per unit of mass density, over three orders of magnitude.
Mouser, NI Team Up on Free Design Tool
Product News 
8/13/2014  3 comments
Mouser Electronics and National Instruments are teaming up to offer a free software tool aimed at simplifying the process of electronic circuit design.
The Iceberg Ship: A Cautionary Tale
Guest Blogs 
8/13/2014  3 comments
The first and most obvious lesson of the following story is to remember to consider creep, along with all other potential failure modes.
Did Cold Weather Cause Boeing Battery Meltdown? Probably Not
Electronic News & Comment 
8/12/2014  14 comments
Despite recent news reports to the contrary, cold winter weather was probably no more than a minor contributor to the Boeing 787’s lithium-ion battery fires last year.
Can Plastic Bearings Outperform Metal Ones?
Blog 
8/6/2014  7 comments
Plastic bearings are replacing metal in some pretty tough jobs. Sometimes they're equally effective and reliable, and sometimes they actually outperform those parts. We'll tell you all about how this is possible in an upcoming Design News Focus on Fundamentals course.
Update: Intelligent Composites for Structural Monitoring
Engineering Materials 
8/5/2014  5 comments
Smart composites that let the material's structural health be monitored automatically and continuously are getting closer to reality. R&D partners in an EU-sponsored project have demonstrated what they say is the first complete, miniaturized, fiber-optic sensor system entirely embedded inside a fiber-reinforced composite.




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In this new Design News feature, "How it Works," we’re starting off by examining the inner workings of the electronic cigarette. While e-cigarettes seemed like a gimmick just two or three years ago, they’re catching fire -- so to speak. Sales topped $1 billion last year and are set to hit $10 billion by 2017. Cigarette companies are fighting back by buying up e-cigarette manufacturers.
Microchip recently released the 3D TouchPad, the first USB PC Peripheral device that couples 2D multi-touch input with 3D air gesture technology. The company seeks the help of developers to further enhance the capabilities of the technology.
Made by Monkeys highlights products that somehow slipped by the QC cops.
To give engineers a better idea of the range of resins and polymers available as alternatives to other materials, this Technology Roundup presents several articles on engineering plastics that can do the job.
Mac Cameron of Stratasys describes the company’s Connex3 technology, which allows users to 3D-print complex parts in one build with no assembly required.
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