Wear behavior of some cutting tool materials in hard turning of HSS

M. A. El Hakim, M. D. Abad, M. M. Abdelhameed, M. A. Shalaby, S. C. Veldhuis

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This study presents an assessment of the performance of four cutting tool in the machining of medium hardened HSS: polycrystalline c-BN (c-BNTiN), TiN coated polycrystalline c-BN (c-BNTiN), ceramic mixed alumina (Al 2O3TiC), and coated tungsten carbide (TiN coated over a multilayer coating (TiC/TiCN/Al2O3)). The Al 2O3TiC and the coated carbide tools can outperform both types of c-BN at high cutting speeds. Raman and SEM mapping revealed an alumina tribo-layer that protects the surface of the Al2O3TiC cutting tool. The high chemical and thermal stability of Al2O 3 tribo-films protects the tool substrate because it prevents the heat generated at the tool/chip interface from entering the tool core.

Idioma originalAnglès
Pàgines (de-a)1174-1181
Nombre de pàgines8
RevistaTribology International
Estat de la publicacióPublicada - de set. 2011
Publicat externament


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