Comparative wear behavior studies of coated inserts during milling of NiCrMoV steel

S. Oomen-Hurst, M. D.Abad M. Khanna, S. C. Veldhuis

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Resum

This paper contains the results of a tool wear study conducted to compare the performance of three coated carbide inserts during milling of NiCrMoV steel. Wear behavior of CVD TiCN/Al 2O 3/TiN and PVD TiAlN/Al 2O 3/ZrN multilayer coatings was compared on the milling inserts with different designs (various chip breaker groove angles). To understand the wear process, detailed XRD and SEM/EDS analysis combined with Raman spectroscopy of the worn inserts have been performed. It was shown that the high chemical and thermal stability of the TiAlN layer in the PVD coating provides superior protection for the tool substrate after the outer coating layers have detached.

Idioma originalAnglès
Pàgines (de-a)115-123
Nombre de pàgines9
RevistaTribology International
Volum53
DOIs
Estat de la publicacióPublicada - de set. 2012
Publicat externament

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