News tagged with metal alloys
Shape-changing liquid metal antenna could lead to responsive electronic devices
(PhysOrg.com) -- Researchers have fabricated a fluidic antenna that can change its shape, and therefore the frequency at which it resonates, in response to pressure in a controlled and predictable manner. ...
Jul 21, 2011 |
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First ever single crystal metallic glass created under 25 gigapascals of pressure
Glass, by definition, is amorphous; its atoms lack order and are arranged every which way. But when scientists squeezed tiny samples of a metallic glass under high pressure, they got a surprise: The atoms ...
Jun 16, 2011 |
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Phase change memory-based 'moneta' system points to the future of computer storage
A University of California, San Diego faculty-student team is about to demonstrate a first-of-its kind, phase-change memory solid state storage device that provides performance thousands of times faster than ...
Jun 02, 2011 |
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Understanding shape-shifting polymers (w/ Video)
(PhysOrg.com) -- Shape-memory polymers are not a new discovery, as anyone who has played with Shrinky-Dinks or who has used heat-shrink tubing for wires in an electronic circuit can testify. But now, thanks ...
Dec 06, 2010 |
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Superelastic iron alloy could be used for heart and brain surgery
(PhysOrg.com) -- Scientists in Japan have designed an elastic iron-based shape metal alloy for use in applications as diverse as heart and brain surgery and buildings in earthquake-prone areas.
Mar 23, 2010 |
4.6 / 5 (9) |
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Scientists find an equation for materials innovation
(PhysOrg.com) -- Princeton engineers have made a breakthrough in an 80-year-old quandary in quantum physics, paving the way for the development of new materials that could make electronic devices smaller and ...
Feb 25, 2010 |
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Nanoscale Structures with Superior Mechanical Properties Developed
(PhysOrg.com) -- Researchers at the California Institute of Technology have developed a way to make some notoriously brittle materials ductile -- yet stronger than ever -- simply by reducing their size.
Nanotechnology / Nanomaterials
Feb 09, 2010 |
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Superconducting hydrogen?
Physicists have long wondered whether hydrogen, the most abundant element in the universe, could be transformed into a metal and possibly even a superconductor -- the elusive state in which electrons can flow without resistance. ...
Jan 25, 2010 |
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Hydrogen-rich Material Promises Advances in Energy Transmission, Fuel Storage
(PhysOrg.com) -- Researchers at the Stanford Institute for Materials and Energy Science, a joint institute of SLAC and Stanford University, have produced a hydrogen-rich alloy that could provide insight into ...
Aug 20, 2009 |
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Glass you can build with: Metallic glass that's stronger and lasts longer
(PhysOrg.com) -- The normal structure of metals is crystalline. Glass, on the other hand, is amorphous. But it's possible to make amorphous forms of metal, metallic glasses, which can be remarkably strong, ...
Mar 24, 2009 |
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Under pressure, atoms make unlikely alloys
(PhysOrg.com) -- Ever since the Bronze Age, humans have experimented with combining different metals to create alloys with properties superior to either metal alone. But not all metals readily form alloys ...
Mar 11, 2009 |
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Making microscopic machines using metallic glass
Researchers in Ireland have developed a new technology using materials called bulk metallic glasses to produce high-precision molds for making tiny plastic components. The components, with detailed microscopically patterned ...
May 22, 2012 |
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Silver nanoparticles trap mercury
(PhysOrg.com) -- Anyone who thinks amalgams are limited to tooth fillings is missing something: Amalgams, which are alloys of mercury and other metals, have been used for over 2500 years in the production ...
Nanotechnology / Nanomaterials
Feb 16, 2012 |
5 / 5 (1) |
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Model analyzes shape-memory alloys for use in earthquake-resistant structures
Recent earthquake damage has exposed the vulnerability of existing structures to strong ground movement. At the Georgia Institute of Technology, researchers are analyzing shape-memory alloys for their potential ...
Feb 09, 2012 |
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Nanodiamond coatings safe for implants: study
Nanodiamonds designed to toughen artificial joints also might prevent the inflammation caused when hardworking metal joints shed debris into the body, according to an early study published this week in the ...
Feb 05, 2012 |
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