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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, cutting tools, chisels, abrasives, armor-piercing shells and jewelry.

3. Tungsten - Wikipedia

   en.wikipedia.org/wiki/Tungsten

   In its raw form, tungsten is a hard steel-grey metal that is often brittle and hard to work. Purified, monocrystalline tungsten retains its hardness (which exceeds that of many steels), and becomes malleable enough that it can be worked easily. [18] It is worked by forging, drawing, or extruding but it is more commonly formed by sintering.

4. Demon core - Wikipedia

   en.wikipedia.org/wiki/Demon_core

   Demon core. A re-creation of the experiment involved in the 1945 incident. The sphere of plutonium is surrounded by tungsten carbide blocks acting as neutron reflectors. The demon core was a sphere of plutonium that was involved in two fatal radiation accidents when scientists tested it as a fissile core of an early atomic bomb.

5. Cemented carbide - Wikipedia

   en.wikipedia.org/wiki/Cemented_carbide

   Cemented carbide. Circular saw blade with tungsten-carbide inserts. Cemented carbides are a class of hard materials used extensively for cutting tools, as well as in other industrial applications. It consists of fine particles of carbide cemented into a composite by a binder metal. Cemented carbides commonly use tungsten carbide (WC), titanium ...

6. Visual markers of marital status - Wikipedia

   en.wikipedia.org/wiki/Visual_markers_of_marital...

   In modern times, the material of wedding rings is not strictly prescribed; they may be forged of gold, rose gold, white gold, argentium silver, palladium, platinum, titanium, or tungsten carbide. Manual laborers sometimes wear rings of inexpensive or more durable materials like tungsten while working or bear an ink tattoo to avoid personal ...

7. Wedding ring - Wikipedia

   en.wikipedia.org/wiki/Wedding_ring

   Wedding ring. A wedding ring is commonly worn on the ring finger. A pair of wedding rings. A wedding ring or wedding band is a finger ring that indicates that its wearer is married. [1] It is usually forged from metal, traditionally gold or another precious metal. Rings were used in ancient Rome during marriage.