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Articles: Materials
A metal-coated fiber capable of withstands high temperatures.
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Briefs: Mechanical & Fluid Systems
This system protects workers on lightning and telecommunications towers, and on oil and gas platforms.
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Briefs: Materials
In the early years of manned flight, wing warping was used for lateral control of an aircraft. This technique consisted of a system of pulleys and cables used to twist the trailing edges of the wings in opposite...
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Briefs: Energy
Lithium-metal batteries — which can hold up to ten times more charge than lithium-ion batteries — haven't been commercialized because of a fatal flaw: as the batteries charge and...
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Briefs: Test & Measurement
Wind power has become an indispensable part of an environmentally friendly power supply. Therefore, it is important for this growth market that wind turbines become more efficient, more...
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Briefs: Data Acquisition
A chemical sensor prototype was developed that can detect single-fingerprint quantities of substances from a distance of more than 100 feet away, and could be shrunk to the size of a shoebox. The portable...
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Articles: Photonics/Optics
Four lasers can be used for micro welding: pulsed neodymium-doped yttrium aluminum garnet (Nd:YAG), continuous wave (CW) fiber, quasi continuous wave (QCW) fiber, and nanosecond fiber. Each laser type...
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Articles: Mechanical & Fluid Systems
Proper filtration plays an important role in ensuring that hydraulic systems operate trouble-free. High-performance filters maintain the cleanliness of the hydraulic fluid over its entire service life. In...
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Facility Focus: Materials
The Department of Energy’s (DOE) Pacific Northwest National Laboratory (PNNL) in Richland, WA, has been operated by Battelle and its predecessors since the lab’s inception in 1965. For more than 50...
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NASA Spinoff: Nanotechnology
Spinoff is NASA’s annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in the fields of...
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Application Briefs: Photonics/Optics
Polymicro Technologies™ optical fiberMolexLisle, IL1-800-78MOLEXwww.molex.com
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Application Briefs: Imaging
Modern fiber optics have undergone remarkable advances since their development in the 1960s. The growing demand for fiber-optic cable, especially in the telecommunications industry, has led to an...
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Briefs: Medical
Assessment of Microbial Bioburden Within Aerogel Matrices
A makeshift apparatus has been designed composed of a sealed, hydrophobic 2-propanol/SiO2 aerogel component to filter outside air particles. Following verification and assessment, the apparatus was crafted with a Buchner funnel. Aerogel matrices were tightly fitted into filter housings and...
Briefs: Materials
Smart MMOD Thermal Blanket
This innovation provides for significantly improved protection from micrometeoroid and orbital debris (MMOD) particles, and reliably determines the location, depth, and extent of MMOD impact damage.
Briefs: Mechanical & Fluid Systems
This work involved designing a liquid nitrogen cold-plate heat exchanger with a high thermal mass using code-standard, high-pressure tubing. High thermal mass requires a substantial amount of material,...
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Briefs: Manufacturing & Prototyping
Fiber metal laminates (FMLs) are multicomponent materials utilizing metals, fibers, and matrix resins. Tailoring their properties is readily achievable by varying one or more of these components....
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Articles: Electronics & Computers
In Formula 1 and other autosports, weight reduction is critical to competitive advantage. A few grams saved here and a few more saved there can add up to significant savings. There is also a move...
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Briefs: Materials
Low-Cost, High-Performance MMOD Shielding
High-performance micro-meteoroid and orbital debris (MMOD) shielding can be constructed from low-cost, off-the-shelf materials. The advantage in using this innovation is in achieving considerable reduction in both cost and mass of the shielding necessary to protect spacecraft from hypervelocity MMOD...
Briefs: Materials
ITO is a doped metal oxide semiconductor that combines two properties that usually are mutually exclusive in most materials: optical transparency and electrical conductivity. It is...
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Application Briefs: Robotics, Automation & Control
Special care needs to be taken when handling delicate materials used in medical applications. Small diameters provide increased flexibility needed for long-flex-life applications such as cardiac catheter wires. Many...
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Briefs: Physical Sciences
Using Combustion Synthesis to Reinforce Berms and Other Regolith Structures
The Moonraker Excavator and other tools under development for use on the Moon, Mars, and asteroids will be employed to construct a number of civil engineering projects and to mine the soil. Mounds of loose soil will be subject to the local transport mechanisms plus...
Briefs: Materials
Composite Laminate With Coefficient of Thermal Expansion Matching D263 Glass
The International X-ray Observatory project seeks to make an X-ray telescope assembly with 14,000 flexible glass segments. The glass used is commercially available SCHOTT D263 glass. Thermal expansion causes the mirror to distort out of alignment. A housing material is...
Briefs: Physical Sciences
Fiber-Optic Micrometeoroid/Orbital Debris Impact Detector System
A document describes a reliable, lightweight micrometeoroid/orbital debris (MMOD) detection system that can be located at strategic positions of “high consequence” to provide real-time warning of a penetration, its location, and the extent of the damage to a spacecraft.
Articles: Robotics, Automation & Control
Among the various components of a submarine pipeline, the vertical section known as a riser is critical to managing the pipeline. This section connects the...
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Articles: Motion Control
Many hydraulically operated machines perform adequately with on/off “bang-bang” valves, but some need special controls to avoid maintenance problems and deliver quality production output....
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Briefs: Materials
Straight-Pore Microfilter With Efficient Regeneration
A novel, high-efficiency gas particulate filter has precise particle size screening, low pressure drop, and a simple and fast regeneration process. The regeneration process, which requires minimal material and energy consumption, can be completely automated, and the filtration performance can be...
Briefs: Materials
The separation of serum or plasma from whole blood is of overriding importance in clinical chemistry. In particular, many diagnostic detection reactions of blood components...
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Application Briefs: Photonics/Optics
Ultrashort pulse (USP), or “ultrafast,” lasers emit extremely brief pulses of light, generally with duration of a picosecond (10-12 seconds) or less. The pulses...
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Briefs: Materials
Lightweight composites of RP46 polyimide and glass fibers have been found to be useful as extraordinarily fire-resistant electrical-insulation materials. RP46 is a polyimide of the...
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