Carbide Titanium and Hafnium Coating Tool

Carbide titanium and hafnium coating tool is making titanium or hafnium metal diffused into the surface of a tungsten carbide tool instead of titanium oxide. The results are substantial improvement, both in terms of wear resistance and the surface appearance of workpieces cut with said tools, both initially and after substantial use.

The overall process for making tungsten carbide tools comprises applying a coating of titanium and hafnium metal of the Periodic Chart of the Elements over the tool, diffusing the metal into the tool and removing excess of the metal from the surface of the tool, either by further diffusion of thees metal into the tool or by removal processes such as dissolving in a suitable solvent. Tools formed in accordance with process have wear properties such that they typically last at least four times, frequently in excess of six times as long as untreated tools and with tools formed in accordance with the most preferred embodiments of the invention, nine times as long as untreated tools. Tools with those metal coating last at least three times as long as tools which have been given an oxide diffusion treatment. The surface of workpieces cut with tools treated in accordance with this invention, are substantially better than those surfaces formed using untreated tools or tools given an oxide diffusion treatment. This improvement is both with initial use of the tool as well as after a substantial cutting time.


 Tungsten Carbide Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-carbide.com.cn
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