The ability of shape memory alloys, used as materials for medical stents, to revert to their original shape after an increase in temperature is suppressed at nanometer grain sizes due to effects related to the larger proportion ...
Nanophysics
Feb 24, 2016
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11
Most crystalline materials are polycrystals, such as metals. They are composed of many small crystalline grains with different lattice orientations. The interface between two crystalline grains, i.e., the grain boundary, ...
Nanophysics
Apr 27, 2023
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6
A research team from Japan has discovered an anomalous softening effect in metallic glass, in which the hardness and elastic modulus of the material are reduced remarkably by applying giant shear strain to metallic glass ...
Condensed Matter
Nov 15, 2012
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Metallic materials used in engineering must be strong and ductile—capable of carrying high mechanical loads while able to withstand deformation without breaking. Whether a material is weak or strong, ductile or brittle, ...
Materials Science
Mar 22, 2022
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16
Future optical communication that's vastly more reliable and faster than what's commonly available today will require new technology. Modern communication is based on charge transfer, which can result in large transmission ...
Nanophysics
Oct 17, 2022
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10
Intermetallic alloys potentially have high strength in a high-temperature environment. But they generally suffer poor ductility at ambient and low temperatures, hence limiting their applications in aerospace and other engineering ...
Nanomaterials
Jul 27, 2020
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54
The NIMS Structural Materials Unit, in joint research with a group at the Kumamoto University Graduate School of Science and Technology, experimentally measured the 3-D electronic state of pure iron and discovered a phenomenon ...
General Physics
Jan 29, 2013
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0
Scientists of Peter the Great St. Petersburg Polytechnic University (SPbPU) and Delft University of Technology developed a technology for obtaining new metal structures using a selective laser melting method, an additive ...
Materials Science
Mar 13, 2017
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6
A group of researchers has created a simple and inexpensive means to visualize the atomic state of hydrogen. Details of their breakthrough are published in the journal Acta Materialia.
Analytical Chemistry
Dec 19, 2023
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67
Plasmonic devices—such as superlenses, hyperlenses and plasmonic waveguides—have exciting potential for research and commercial applications because they permit optical lithography, imaging and waveguiding to be performed ...
Nanophysics
Jul 2, 2014
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