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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.
Tungsten carbide has a high density and a low neutron absorbency cross section. Despite being available in adequate quantity during the Manhattan Project, depleted uranium was not used because it has a relatively high rate of spontaneous fission of about 675 per kg per second; a 300 kg depleted uranium tamper would therefore have an ...
The remaining element of the round is the tungsten carbide penetrator. This has a large amount of kinetic energy and will penetrate the armor as a solid-cored armor-piercing shot would. This takes the incendiary material and about 20 steel fragments (created by the explosives), delivering them in a 25–30 degree cone through the armor ...
Tungsten carbide (core) and tungsten alloy cap 5.598 kg of NQ/M 044 1478 m/s 91 m/s (at 1000 m) 181 m/s (at 2000 m) 4.04 kg / NA 127 mm at 60° at 4609 ft/s or ~820 m [4] [page needed] Incorporates the anti-friction ring from L28A1B1. Slpprj m/62 Sweden: 1962 Tungsten carbide (core) 6.0 kg NK1096 310 MPa 1450 m/s 4.5 kg / 6.32 kg
A very important product of this type is tungsten carbide. [1] Tungsten carbide is used to cut and form other metals and is made from tungsten carbide particles bonded with cobalt. [ 2 ] Tungsten carbide is the largest and most important use of tungsten , [ 3 ] consuming about 50% of the world supply. [ 4 ]
The coefficient of thermal expansion of cemented tungsten carbide is found to vary with the amount of cobalt used as a metal binder. For 5.9% cobalt samples, a coefficient of 4.4 μm/m·K was measured, whereas 13% cobalt samples have a coefficient of around 5.0 μm/m·K.
Graphite flakes can cost around US$0.9/kg carbon. [20] Price of synthetic industrial diamond for grinding and polishing can range from 1200 to 13 300 USD/kg, while cost per weight of large synthetic diamonds for industrial applications can be on the order of million dollars per kilogram. [21] 7: N: Nitrogen: 0.0012506: 19 (5.263 × 10 17 kg) 0. ...
The jewelry industry makes rings of sintered tungsten carbide, tungsten carbide/metal composites, and also metallic tungsten. [75] 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 ...
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