silica ceramics

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• silica — /sil i keuh/, n. the dioxide form of silicon, SiO2, occurring esp. as quartz sand, flint, and agate: used usually in the form of its prepared white powder chiefly in the manufacture of glass, water glass, ceramics, and abrasives. Also called… …   Universalium

• silica — sil•i•ca [[t]ˈsɪl ɪ kə[/t]] n. chem. the dioxide form of silicon, SiO2, occurring esp. as quartz sand, flint, and agate: used chiefly in the manufacture of glass, water glass, ceramics, and abrasives • Etymology: 1795–1805; < NL, der. of L… …   From formal English to slang

• silica — A common mineral (silicon dioxide) found as sand, quartz, etc., used in the manufacture of glass, ceramics and abrasives …   Dictionary of automotive terms

• advanced ceramics — ▪ ceramics Introduction       substances and processes used in the development and manufacture of ceramic materials that exhibit special properties.       As is pointed out in the article ceramic composition and properties, ceramics are… …   Universalium

• capacitor dielectric and piezoelectric ceramics — ▪ ceramics Introduction       advanced industrial materials that, by virtue of their poor electrical conductivity, are useful in the production of electrical storage or generating devices.       Capacitors (capacitor) are devices that store… …   Universalium

• traditional ceramics — Introduction       ceramic materials that are derived from common, naturally occurring raw materials such as clay minerals and quartz sand. Through industrial processes that have been practiced in some form for centuries, these materials are made …   Universalium

• conductive 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,… …   Universalium

• tribological ceramics — Introduction also called  wear resistant ceramics        ceramic materials that are resistant to friction and wear. They are employed in a variety of industrial and domestic applications, including mineral processing and metallurgy. This article… …   Universalium

• electronic substrate and package ceramics — Introduction       advanced industrial materials that, owing to their insulating qualities, are useful in the production of electronic components.       Modern electronics are based on the integrated circuit, an assembly of millions of… …   Universalium

• Silicon dioxide — Silica redirects here. For other uses, see Silica (disambiguation). Silicon dioxide …   Wikipedia

• refractory — refractorily, adv. refractoriness, n. /ri frak teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or… …   Universalium