high-temperature polycrystalline alumina

  • 1Beta-alumina solid electrolyte — (BASE) is a fast ion conductor material used as a membrane in several types of molten salt electrochemical cell. There is no known substitute.β Alumina ( beta prime prime alumina ) is an isomorphic form of aluminium oxide (Al2O3) a hard… …

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  • 2crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …

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  • 3Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… …

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  • 4Ceramic engineering — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Ceramic engineering is the science and technology of creating objects from inorganic, non metallic… …

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  • 5Ceramic materials — Ceramic Si3N4 bearing parts Ceramic materials are inorganic, non metallic materials and things made from them. They may be crystalline or partly crystalline. They are formed by the action of heat and subsequent cooling.[1] Clay was one of the… …

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  • 6Ceramic matrix composite — Fracture surface of a fiber reinforced ceramic composed of SiC fibers and SiC matrix. The fiber pull out mechanism shown is the key to CMC properties …

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  • 7steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …

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  • 8Boron nitride — IUPAC name Boron nitride Identifiers …

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  • 9conductive ceramics — Introduction       advanced industrial materials that, owing to modifications in their structure, serve as electrical conductors.       In addition to the well known physical properties of ceramic materials hardness, compressive strength,… …

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  • 10materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …

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