liquid-state sintering
21Ceramic 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… …
22Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …
23Magnesium diboride — Identifiers CAS number …
24traditional 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 …
25Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
26glacier — glaciered, adj. /glay sheuhr/, n. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of… …
27Ice — This article is about water ice. For the broader concept of ices as used in the planetary sciences, see volatiles. For other uses, see Ice (disambiguation) …
28Gel — For other uses, see Gel (disambiguation). An upturned vial of hair gel A gel (from the lat. gelu freezing, cold, ice or gelatus frozen, immobile) is a solid, jelly like material that can have properties ranging from soft and weak to hard and… …
29Nanomaterials — Part of a series of articles on Nanomaterials Fullerenes …
30Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …
