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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.
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. ...
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.
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 [3] [page needed] US manufactured version of L36A1/M392. Manufactured to tighter tolerances for improved accuracy, and to correct an issue of in barrel breakup. M392A2
Silicon carbide is better suited to protect against larger projectiles than boron carbide as the latter material suffers a phase collapse when impacted by a projectile travelling at a speed over 850 m/s. [13] [15] The ceramics can be created by pressureless sintering or hot pressing. A high density is required, so residual porosity must be ...
Wolframite is an iron, manganese, and tungstate mineral with a chemical formula of (Fe,Mn)WO4 that is the intermediate mineral between ferberite (Fe2+ rich) and hübnerite (Mn2+ rich). [4] Along with scheelite, the wolframite series are the most important tungsten ore minerals. Wolframite is found in quartz veins and pegmatites associated with ...
Carbide. Lattice structure of titanium carbide. In chemistry, a carbide usually describes a compound composed of carbon and a metal. In metallurgy, carbiding or carburizing is the process for producing carbide coatings on a metal piece. [1]
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