Tungsten carbide (W2C)
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Tungsten carbide (W2C)
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CAS No:
12070-13-2
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Formula:
CW2
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Chemical Name:
Tungsten carbide (W2C)
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Synonyms:
Tungsten carbide (W2C);Ditungsten carbide;Ditungsten monocarbide;Ditungsten monocarbide (W2C)
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CAS No:
Description
black hexagonal, a=0.29982 nm, c=0.4722nm; can be prepared by heating tungsten and carbon in the presence of hydrogen at high temperatures; hardness approaches that of diamond; brittle; used in hard metals, and as a 99.5% pure sputtering target to produce wear-resistant films and semiconductor films [KIR83] [CIC73] [CER91] [CRC10]Either of two carbides (W2C and WC) produced by heating powdered tungsten with carbon.
Characteristics
0
0.08130
Black Powder
17.15
≈2800°C
soluble in nitric acid and aqua regia. Insoluble in water.
Tungsten carbide (W2C) Use and Manufacturing
Tungsten Carbide/Carbon (WC/C) is a black-gray colored coating of hard tungsten carbide particles in a soft amorphous carbon matrix. It is used for precision components with abrasive and adhesive wear, seizure problems (poor lubrication) and for dry machining applications.
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