News tagged with metallic alloys
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 |
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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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Strengthening metal alloys would provide energy, environment conservation benefit
(PhysOrg.com) -- Fundamental discoveries in optimizing the performance of light-weight metal alloys have earned recognition for Kiran Solanki, a new ASU engineering faculty member.
Jan 11, 2012 |
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'Space ball' drops on Namibia
A large metallic ball fell out of the sky on a remote grassland in Namibia, prompting baffled authorities to contact NASA and the European space agency.
Space & Earth / Space Exploration
Dec 22, 2011 |
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Can metals remember their shape at nanoscale, too?
University of Constance physicists Daniel Mutter and Peter Nielaba have visualized changes in shape memory materials down to the nanometric scale in an article about to be published in the European Physical Journal B.
Nov 08, 2011 |
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Hydrogen released to fuel cell more quickly when stored in metal nanoparticles
Researchers from TU Delft and VU University Amsterdam in the Netherlands have demonstrated that the size of a metal alloy nanoparticle influences the speed with which hydrogen gas is released when stored in a metal hydride. ...
Sep 29, 2011 |
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Understanding the interplay of grains helps cars drop the pounds, be more fuel efficient
Sometimes solving the biggest challenges begins with understanding something very small -- like the tiny grains that form a piece of metal. For a team of scientists who wanted to improve automotive fuel efficiency, ...
Sep 14, 2011 |
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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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Japanese material scientists develop new superelastic alloy
(PhysOrg.com) -- Working out of Tokyo University, scientists in the Department of Materials Science, have developed a new metal alloy that unlike other “superelastic” alloys can resume its original shape in temperatures ...
Jul 01, 2011 |
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Self-assembling electronic nano-components
Magnetic storage media such as hard drives have revolutionized the handling of information: We are used to dealing with huge quantities of magnetically stored data while relying on highly sensitive electronic ...
Nanotechnology / Nanomaterials
Jun 20, 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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Finding answers century-old questions about platinum's catalytic properties
Researchers now understand more about why platinum is so efficient at producing power in hydrogen fuel cells.
Jun 06, 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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