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  2. Tungsten carbide - Wikipedia

    en.wikipedia.org/wiki/Tungsten_carbide

    Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through sintering [7] for use in industrial machinery, engineering facilities, [8] molding blocks, [9] cutting tools, chisels, abrasives, armor ...

  3. Tungsten - Wikipedia

    en.wikipedia.org/wiki/Tungsten

    The jewelry industry makes rings of sintered tungsten carbide, tungsten carbide/metal composites, and also metallic tungsten. [78] WC/metal composite rings use nickel as the metal matrix in place of cobalt because it takes a higher luster when polished. Sometimes manufacturers or retailers refer to tungsten carbide as a metal, but it is a ...

  4. Category:Tungsten compounds - Wikipedia

    en.wikipedia.org/wiki/Category:Tungsten_compounds

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  5. Eternity ring - Wikipedia

    en.wikipedia.org/wiki/Eternity_ring

    Eternity ring. An eternity ring, also known as an infinity ring, is a woman's ring [1] comprising a band of precious metal (usually gold) set with a continuous line of identically cut gemstones (usually diamonds) [2] to symbolize never-ending love, usually given by a spouse to their wife on the occasion of a significant anniversary, [citation needed] typically after five years of marriage.

  6. Organogold chemistry - Wikipedia

    en.wikipedia.org/wiki/Organogold_chemistry

    Organogold chemistry is the study of compounds containing gold–carbon bonds. They are studied in academic research, but have not received widespread use otherwise. The dominant oxidation states for organogold compounds are I with coordination number 2 and a linear molecular geometry and III with CN = 4 and a square planar molecular geometry.

  7. 14K - Wikipedia

    en.wikipedia.org/wiki/14K

    14K may refer to: 14K Triad, a Chinese criminal organization; Gnome-Rhône 14K, an aircraft engine of the 1920s and 1930s; 14K, another term for a Fourteener mountain peak (above 14,000 feet) of the Rocky Mountains in western North America. 14K (Death Race), a fictional character in the Death Race film series.

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