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shape memory
(Encyclopedia)shape memory, property possessed by certain alloys that allows them to return, when heated, to their original shape after having been deformed. This effect results because, as the alloy is deformed, i...Maryville
(Encyclopedia)Maryville, city (1990 pop. 19,208), seat of Blount co., E Tenn.; settled around Fort Craig (built 1785), inc. as a town 1830, as a city 1927. With its twin city, Alcoa, it is an important center for t...brass
(Encyclopedia)brass, alloy having copper (55%–90%) and zinc (10%–45%) as its essential components. The properties of brass vary with the proportion of copper and zinc and with the addition of small amounts of o...West, Franz
(Encyclopedia)West, Franz, 1947–2012, Austrian artist, known especially for his eccentric and fanciful sculpture, studied Academy of Applied Arts, Vienna. He first became known in the 1970s for his “adaptives,...Bayer process
(Encyclopedia)Bayer process, procedure for obtaining alumina from the aluminum ore bauxite. The alumina can then be used for various industrial purposes or smelted to provide aluminum. The first step in the process...Periodic Table of the Elements: Aluminum
(Encyclopedia)Periodic Table of the Elements: Aluminum ...napalm
(Encyclopedia)napalm nāˈpäm [key], incendiary material developed during World War II by Harvard scientists cooperating with the U.S. army and used in bombs and flame throwers. Napalm is based on a mixture of gas...kaolinite
(Encyclopedia)kaolinite kāˈəlĭnīt [key], clay mineral crystallizing in the monoclinic system and forming the chief constituent of china clay and kaolin. It is a hydrous aluminum silicate commonly formed by the...Youngstown
(Encyclopedia)Youngstown, city (1990 pop. 95,732), seat of Mahoning co., NE Ohio, near the Pa. line; founded 1797, inc. 1849. It was formerly a major U.S. iron and steel center. In the 1970s many of the steel mills...bauxite
(Encyclopedia)bauxite bôkˈsīt, bŏkˈ– [key], mixture of hydrated aluminum oxides usually containing oxides of iron and silicon in varying quantities. A noncrystalline substance formerly thought to be a minera...Browse by Subject
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