Abstract
The efficiency of diamond-like carbon (DLC) coatings deposited by CVD- and PVD-technologies to increase the wear resistance of tungsten carbide end mills for aluminum alloy processing was experimentally studied. A complex of metallophysics studies was carried out including SEM analysis of coating surface, microrelief, a ratio between sp3- and sp2-bonds, and the microhardness of coatings obtained by nanoindentation. The final stage of the research addresses the operational testing of end mills during processing of high-strength aluminum alloy AlZn5.5MgCu.
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