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NIST posts online database of cryogenic materials properties
November 09, 2007In response to numerous inquiries from academia, industry, and other government labs, the National Institute of Standards and Technology (NIST) recently published a new database on the properties of solid materials at temperatures ranging from cryogenic (as low as 4 K, which is -269 degrees C or -452 degrees F) to room temperature. Officially known as NIST Standard Reference Data Database #152, the Cryogenic Materials Properties Database is available online, free of charge. It is also a work in progress, with new materials and properties added as data become available.
Cryogenic temperatures place extreme demands on materials. The properties data have been collected by various organizations over many years, published in various formats such as internal reports, and often have not been publicly available. NIST researchers located the data, evaluated and validated it, resolved any conflicts resulting from different test methods and sources, then re-plotted and correlated the data over a wide temperature range using standardized equations.
The database covers a wide range of materials from traditional engineering stainless steels to fiberglass epoxy (found in magnetic resonance imaging systems, for example), exotic regenerator materials (used in cryogenic refrigerators), and Kevlar (may be combined with carbon fibers in containers used in space). The materials might be used in medicine (e.g., cryosurgery), energy applications (e.g., storage of liquid methane or liquid natural gas), electronics (e.g., superconducting microwave filters for cellular phones), transportation (e.g., liquid hydrogen fuel storage), space exploration (e.g., fuel storage), environmental research (e.g., thermal mapping and imaging of oceans), weather forecasting (e.g., infrared thermal imaging of the atmosphere) and defense (e.g., infrared guidance systems).
National Institute of Standards and Technology (NIST)
National Institute of Standards and Technology (NIST)
Cryogenic Current Events and Cryogenic News RSSGolden Scales: Nanoscale Mass Sensor from Berkeley Can Be Used to Weigh Individual Atoms and Molecules
There's a new "gold standard" in the sensitivity of weighing scales. Using the same technology with which they created the world's first fully functional nanotube radio, researchers with Berkeley Lab and the University of California (UC) at Berkeley have fashioned a nanoelectromechanical system (NEMS) that can function as a scale sensitive enough to measure the mass of a single atom of gold.
Engineers demonstrate first room-temperature semiconductor source of coherent Terahertz radiation
Engineers and applied physicists from Harvard University have demonstrated the first room-temperature electrically-pumped semiconductor source of coherent Terahertz (THz) radiation, also known as T-rays. The breakthrough in laser technology, based upon commercially available nanotechnology, has the potential to become a standard Terahertz source to support applications ranging from security screening to chemical sensing.
NIST micro sensor and micro fridge make cool pair
Researchers at the National Institute of Standards and Technology (NIST) have combined two tiny but powerful NIST inventions on a single microchip, a cryogenic sensor and a microrefrigerator. The combination offers the possibility of cheaper, simpler and faster precision analysis of materials such as semiconductors and stardust.
NASA'S Webb Telescope Sunshield Preliminary Design Review Complete
The tennis court-sized sunshield built by Northrop Grumman for NASA's James Webb Space Telescope has completed its preliminary design review at the company's Space Technology facility.
Crystal bells stay silent as physicists look for dark matter
Scientists of the Cryogenic Dark Matter Search experiment today announced that they have regained the lead in the worldwide race to find the particles that make up dark matter. The CDMS experiment, conducted a half-mile underground in a mine in Soudan, Minn., again sets the world's best constraints on the properties of dark matter candidates.
'NMR on a chip' features NIST magnetic mini-sensor
A super-sensitive mini-sensor developed at the National Institute of Standards and Technology (NIST) can detect nuclear magnetic resonance (NMR) in tiny samples of fluids flowing through a novel microchip.
Testing time for instrument on Hubble's successor
A significant milestone for the Hubble Space Telescope successor, the James Webb Space Telescope (JWST), is on course to be reached before Christmas with the testing of the verification model of the Mid-InfraRed Instrument (MIRI) at the Rutherford Appleton Laboratory in Oxfordshire.
LHC completes the circle
At a brief ceremony deep under the French countryside today, CERN Director General Robert Aymar sealed the last interconnect between the main magnet systems in the Large Hadron Collider (LHC). This is the latest milestone in commissioning the LHC, the world's most powerful particle accelerator.
New quantum dot transistor counts individual photons
A transistor containing quantum dots that can count individual photons (the smallest particles of light) has been designed and demonstrated at the National Institute of Standards and Technology (NIST).
'Radio wave cooling' offers new twist on laser cooling
Visible and ultraviolet laser light has been used for years to cool trapped atoms-and more recently larger objects-by reducing the extent of their thermal motion.
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