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21Window shutter hardware — Window Shutter Hardware> Overview A series of documents are provided here to further explain terms and terminology related to shutter hardware and blacksmithing, as well as the evolution of early hardware.A Brief History of Early Hardware In its… …
22Ceramic 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 …
23Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …
24materials 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… …
25metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …
26rare-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 …
27Chip formation — The basic chip formation process. Chip formation is part of the process of cutting materials by mechanical means, using tools such as saws, lathes and milling cutters. An understanding of the theory and engineering of this formation is an… …
28Steel — For other uses, see Steel (disambiguation). The steel cable of a colliery winding tower …
29Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
30Cold formed steel — (CFS) is the common term for products made by rolling or pressing thin gauges of sheet steel into goods. Cold formed steel goods are created by the working of sheet steel using stamping, rolling, or presses to deform the sheet into a usable… …
