2007年2月4日 星期日

Cemented Carbide www.tool-tool.com


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Reference source from the internet.
The Cemented carbide is the complex alloy by sintering the carbide particle of 2a, 3a, 4a tribe metal (Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W) of the periodic law table, using the iron tribe metal (Fe, Co, Ni) as the binder. These carbide are excellent in oxidization resistance with the high fusion point and high hardness.

It is able to obtain many kinds of cemented carbide by combing 9 kinds of carbide and iron tribe metals, in which it is claiming to be WC-Co sysytem alloy with an usually Cemented Carbide.
At present, the alloy such as the WC-Co system, WC-TiC-Co system, WC-TiC-Ta (Nb) the C-Co system are used as the materials for the cutting tools.

Furthermore, the coating tool that covered with the ceramics such as Ti (C, N), Al2O3 on the suraface of Cementd carbide cutting tool is increasing, as a result that the cutting condition has sped up in recent years, and the use proportion exceeds 50% in the cutting tools.
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Bewise Inc. www.tool-tool.com