Special Coverage

NASA Supercomputer Simulations Reveal 'Noisy' Aerodynamics
Robotic Gripper Cleans Up Space Debris
Soft Robot “Walks” on Any Terrain
Defense Advanced Research Projects Agency
Using Microwaves to Produce High-Quality Graphene
Transducer-Actuator Systems for On-Machine Measurements and Automatic Part Alignment
Wide-Area Surveillance Using HD LWIR Uncooled Sensors
Heavy Lift Wing in Ground (WIG) Cargo Flying Boat
Technique Provides Security for Multi-Robot Systems
Bringing New Vision to Laser Material Processing Systems
NASA Tests Lasers’ Ability to Transmit Data from Space

Safer, Cleaner, Corrosion-Protecting Metal Coatings

LumiShield
Pittsburgh, PA
For more info click here

Corrosion-related issues cost the U.S. economy $276 billion a year. The Energy Department’s National Energy Technology Laboratory (NETL) teamed up with Carnegie Mellon University (CMU) to create a cost-effective technology to reduce that impact. The work resulted in the creation of LumiShield, a new CMU/NETL spinoff that signed a licensing agreement with the laboratory for the ionic liquid solvent for aluminum electroplating process.

Posted in: Application Briefs, Coatings & Adhesives, Materials, Metals, Plating, Aluminum, Coatings Colorants and Finishes, Coatings, colorants, and finishes, Corrosion resistant alloys, Materials properties
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Corrosion-Inhibiting Self-Expanding Foam

Surfaces such as metal and other corrodible surfaces are often exposed to extreme weathering, temperatures, moisture, impurities, and otherwise damaging external forces that accelerate corrosion. Conventional methods of corrosion protection include applying paints and other coatings, such as petroleum-based undercoatings, with a sprayer to the exposed surface. To be effective, the entire exposed surface must be covered or the corrosion process will be accelerated at the unprotected areas. While open-area surfaces may be easier to protect, those surfaces found in internal cavities within an overall framework can be more challenging to protect. Achieving full coverage on internal surfaces can be extremely difficult, and in some cases impossible without drilling several access openings in the structure. These extraneous openings can compromise the strength of the structure as well as create more entryways for water and debris. This increases the opportunity for corrosion to initiate at the edges of the openings.

Posted in: Briefs, Coatings & Adhesives, Materials, Corrosion, Foams, Metals
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Reusable Sponge Absorbs Oil from Entire Water Column

When the Deepwater Horizon drilling pipe blew out seven years ago, beginning the worst oil spill in U.S. history, those in charge of the recovery discovered that the millions of gallons of oil bubbling from the sea floor weren’t all collecting on the surface where it could be skimmed or burned. Some of it was forming a plume and drifting under the surface of the ocean.

Posted in: Briefs, Materials, Water pollution, Lubricating oils, Tools and equipment, Materials properties, Marine vehicles and equipment
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Aqueous Solution Dispersement of Carbon Nanotubes

NASA’s Langley Research Center researchers have developed a novel method to disperse carbon nanotubes in aqueous solutions using chemical buffers. By avoiding the common use of surfactants to achieve dispersion, the researchers have provided a means to maintain biocompatibility of the carbon nanotubes, while also providing a means to functionalize the nanotube surfaces for specific biological and chemical activity. One particular example is the use of this approach to functionalize the surface with nano platinum catalysts to use as electrodes for fuel cells or biofuel cells. Additional surface functionality could provide use for biosensors or delivery of functionalized molecules for medical applications.

Posted in: Briefs, Materials, Fuel cells, Biological sciences, Chemicals, Nanomaterials
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Products of Tomorrow: July 2017

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.

Posted in: Articles, Products, Materials, Sensors, Semiconductors, Vibration, Vibration
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Crawling Robot is Powered by Moisture

Using an off-the-shelf camera flash, researchers at Jilin University, China, turned an ordinary sheet of graphene oxide into a material that bends when exposed to moisture. They then used this material to make a spider-like crawler and claw robot that move in response to changing humidity, without the need for any external power.

Posted in: INSIDER, Materials, Motion Control, Robotics
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Improving Corrosion Resistance of 303 Stainless Steel

Able Electropolishing, a leader in the electropolishing industry, teamed up with Swiss Precision Machining Inc., to test the effectiveness of passivation vs. electropolishing on corrosion resistance of machined 303 stainless steel components.

Posted in: White Papers, Green Design & Manufacturing, Manufacturing & Prototyping, Coatings & Adhesives, Materials
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ABLE TECHNICAL GUIDE: Your Solution to 7 Metal Surface Problems

Electropolishing is often referred to as a “reverse plating” process. Electrochemical in nature, electropolishing uses a combination of rectified current and a blended chemical electrolyte bath to remove flaws from the surface of a metal part.

Posted in: White Papers, Manufacturing & Prototyping, Coatings & Adhesives, Materials, Test & Measurement
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‘Solar Paint’ Produces Energy from Sunlight

A team from Australia’s RMIT University created a “solar paint” that generates its own energy. The sunlight-absorbing substance absorbs and splits water atoms, resulting in hydrogen that could someday be used to power fuel cells and conventional combustion engines.

Posted in: News, Energy Harvesting, Energy Storage, Renewable Energy, Solar Power, Coatings & Adhesives
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Adam Sidor, NASA Research Fellow, Georgia Institute of Technology, Atlanta, GA

Thermal Protection Systems (TPS) — heatshields — form the outer surface of spacecraft and provide protection as the vehicle plunges through planetary atmospheres. Conformal ablative materials are currently being developed to improve TPS performance. Adam Sidor is developing a fresh approach to designing and manufacturing these materials to produce larger tile sizes while reducing labor, cost, and waste.

Posted in: Who's Who, Materials
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