- polycrystalline metal
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поликристаллический металл
Англо-русский словарь терминов металлургии и сварки. 2011.
polycrystalline metal
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Polycrystalline silicon — Polycrystalline silicon, also called polysilicon, is a material consisting of small silicon crystals. It differs from single crystal silicon, used for electronics and solar cells, and from amorphous silicon, used for thin film devices and solar… … Wikipedia
Metal-induced crystallization — (MIC) is a method by which amorphous silicon, or a Si, can be turned into polycrystalline silicon at relatively low temperatures. In MIC an amorphous Si film is deposited onto a substrate, usually glass or Si, and then capped with a metal, such… … Wikipedia
Polycrystalline diamond — PCD (Polycrystalline Diamond)PCD (Syndite) PCD is a synthesised, extremely tough, intergrown mass of randomly orientated diamond particles in a metal matrix. It is produced by sintering together selected diamond particles at high pressure and… … Wikipedia
Metal gate — A metal gate, in the context of a lateral Metal Oxide Semiconductor MOS stack, is just that the gate material is made from a metal. For decades, the industry had moved away from metal as the gate material in the MOS stack due to fabrication… … Wikipedia
polycrystalline — /pol ee kris tl in, uyn , een /, adj. 1. (of a rock or metal) composed of aggregates of individual crystals. 2. having or consisting of crystals that are variously oriented. [1920 25; POLY + CRYSTALLINE] * * * … Universalium
polycrystalline — adj. (of a solid substance) consisting of many crystalline parts at various orientations, e.g. a metal casting … Useful english dictionary
Glass-ceramic-to-metal seals — Glass to metal seals have been around for many years, with one of the most common uses being lamp bulb seals. A more recent invention is glass ceramic to metal seals.Properties Glass ceramics are polycrystalline ceramic materials prepared by the… … Wikipedia
Alkali-metal thermal to electric converter — The Alkali Metal Thermoelectric Converter (AMTEC) is a thermally regenerative electrochemical device for the direct conversion of heat to electrical energy. It is characterized by high potential efficiencies and no moving parts, which make it a… … Wikipedia
rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 … Universalium
po|ly|crys|tal|line — «POL ee KRIHS tuh lihn, lyn», adjective. 1. composed of many crystals: »Most solids are polycrystalline (Scientific American). 2. composed of crystals with different space lattices: »a polycrystalline metal … Useful english dictionary
Strengthening mechanisms of materials — Methods have been devised to modify the yield strength, ductility, and toughness of both crystalline and amorphous materials. These strengthening mechanisms give engineers the ability to tailor the mechanical properties of materials to suit a… … Wikipedia
