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Engineering Materials
Content posted in August 2013
More Seismic Shifts in the 3D Printing Industry
Engineering Materials 
8/30/2013  38 comments
We discuss more major developments in the 3D printing industry, and focus on what's happening in materials.
Materials Spotlighted at Design & Manufacturing Show
Engineering Materials 
8/29/2013  3 comments
The choices of metals, plastics, coatings, and adhesives has never been broader, and new ones are becoming available at a rapid rate. Some of this variety is reflected at the upcoming Design and Manufacturing Midwest Show.
3D Printing With Iron & Tungsten
Engineering Materials 
8/26/2013  7 comments
The range of metals that can be 3D printed is increasing. ExOne has added iron infiltrated with bronze, and bonded tungsten, to the range of metal and ceramic powders that can be used with its multi-material M-Flex machines.
Slideshow: Robots Get More Thin-Skinned
Engineering Materials 
8/22/2013  23 comments
Robots may be getting more sensitive, due to a breakthrough by engineers at the University of California, Berkeley. An electronic skin made of a sensor network mounted on a substrate of flexible plastic reacts to touch by lighting up.
Update: NASA 3D Printer for Space Passes First Tests
Engineering Materials 
8/15/2013  7 comments
The engineering test unit for the 3D printer that Made in Space is building with NASA has passed initial microgravity, environmental, and functional tests. It's scheduled to launch next year.
US Navy Resin Will Make Composites Stronger, Flame-Resistant & Cheaper to Process
Engineering Materials 
8/14/2013  14 comments
A new high-performance, PEEK-like phthalonitrile resin developed by the US Naval Research Laboratory is resistant to high temperatures, flammability, and impacts. It can be processed using standard methods like resin infusion molding and resin transfer molding.
Slideshow: Bombardier Prepares CSeries for First Flight Test
Engineering Materials 
8/13/2013  7 comments
Bombardier's Flight Test Vehicle 1 incorporates carbon composites in some areas. The main fuselage and structure are composed primarily of aluminum-lithium, making it about 2,000 pounds lighter and reducing fuel use by about 20 percent.
DuPont Pushes for a 50%-Plus Renewable Plastics Line
Engineering Materials 
8/9/2013  13 comments
DuPont says its performance plastics line will contain more than half renewable materials within 15 years, and that all of its medium- to long-term research in engineering plastic feedstocks is based on the need to move to non-food based sources.
MIT 3D Prints Tough, Bone-Like Composite
Engineering Materials 
8/8/2013  6 comments
A team at MIT has 3D-printed bone-like composite materials on the Objet Connex500 multi-material printer. One was more than 20 times as tough as its constituent materials alone.
How to Make Intelligent Carbon-Fiber Composites
Engineering Materials 
8/7/2013  6 comments
German researchers have demonstrated the ability to embed RFID tags with ultra-thin antennas inside carbon-fiber-reinforced composite components such as aircraft wings. The technique is also being investigated for composite structural health monitoring.
Seismic Shifts in the 3D Printing Industry
Engineering Materials 
8/6/2013  11 comments
Some major developments are happening in the 3D printing industry and more are on the horizon.
Update: Corning's Paper-Thin, Flexible Glass
Engineering Materials 
8/1/2013  11 comments
Corning's super-thin, 100-micron Willow Glass can be adapted to high-volume, low-cost, roll-to-roll manufacturing processes not previously possible with glass. Corning is helping customers retrofit or build new lines to integrate the material into manufacturing.




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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.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
A Silicon Valley company has made the biggest splash yet in the high-performance end of the electric car market, announcing an EV that zips from 0 to 60 mph in 3.4 seconds and costs $529,000.
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.
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