منابع مشابه
Amorphous metal foams
As recently demonstrated, amorphous metal foams are highly ductile in compression, and thus offer attractive compromises in mechanical and physical properties between crystalline metallic and ceramic foams. Challenges associated with fabrication of amorphous metal foams are critically assessed in the context of current and future processing methods, and conclusions are drawn regarding the prope...
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We study an insulator-metal transition in a ternary chalcogenide glass (GeSe3)1−xAgx for x = 0.15 and 0.25. The conducting phase of the glass is obtained by using gap sculpting [Prasai et al., Sci. Rep. 5, 15522 (2015)] and it is observed that the metallic and insulating phases have nearly identical density functional energies but have a conductivity contrast of ∼108. As such, we demonstrate an...
متن کاملX-Ray and Neutron Diffraction with Amorphous Ti
The amorphous alloys Ti 6 7 Si 3 3 , V 6 7Si 3 3 , and Cr , 7 Si 3 3 were produced by sputtering. Their structure was investigated by X-ray and neutron diffraction. X-ray diffraction showed that the structure of the three metallic glasses is not isomorphous. Neutron diffraction showed that S i -S i atomic pairs occur preferentially with distances distinctly larger than the atomic diameter of th...
متن کاملNew Cu-Free Ti-Based Composites with Residual Amorphous Matrix
Titanium-based bulk metallic glasses (BMGs) are considered to have potential for biomedical applications because they combine favorable mechanical properties and good biocompatibility. Copper represents the most common alloying element, which provides high amorphization capacity, but reports emphasizing cytotoxic effects of this element have risen concerns about possible effects on human health...
متن کاملElectrical behaviour of metal / tetrahedral amorphous carbon / metal structure
Silicon and GaAs based devices are limited in their high-temperature applications as these materials lack high sensitivity to the temperature range above 200°C due to their small band gaps. Therefore, exploration of new materials with a high-temperature performance is necessary. Diamond-like carbon as a semiconducting material may be one of the promising candidates due to its many properties cl...
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ژورنال
عنوان ژورنال: DENKI-SEIKO[ELECTRIC FURNACE STEEL]
سال: 1988
ISSN: 1883-4558,0011-8389
DOI: 10.4262/denkiseiko.59.282