Performance of nano-structured multilayer PVD coating TiAN/VN in dry high speed milling of aerospace aluminium 7010-T7651

LUO, Q., ROBINSON, G., PITTMAN, M., HOWARTH, M., SIM, W. M., STALLEY, M. R., LEITNER, H., EBNER, R., CALISKANOGLU, D. and HOVSEPIAN, P. E. (2005). Performance of nano-structured multilayer PVD coating TiAN/VN in dry high speed milling of aerospace aluminium 7010-T7651. Surface and Coatings Technology, 200 (1-4), 123-127.

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Link to published version:: 10.1016/j.surfcoat.2005.02.017

Abstract

A low-friction and wear resistant TiAlN/VN multilayer coating with TiAlN/VN bilayer thickness 3 nm has been grown by using the combined cathodic arc etching and unbalanced magnetron sputtering deposition on high speed steel tools for dry cutting of aluminium alloys. In this paper, in-lab and industrial high speed milling tests have been performed on an aerospace aluminium alloy 7010-T7651. The results show that the TiAlN/VN coated tools achieved lower cutting forces, lower metal surface roughness, and significantly longer tool lifetime by three times over the uncoated tools as a result of the low friction and eliminated tool-metal adhesion. Under the same conditions, a TiAlN based multicomponent coating TiAlCrYN also increased the tool lifetime by up to 100% despite the high cutting forces measured. (c) 2005 Published by Elsevier B.V.

Item Type: Article
Additional Information: 9th International Conference on Plasma Surface Engineering SEP 13-17, 2004 Garmisch Partenkirchen, GERMANY
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Nanotechnology Centre for PVD Research
Materials and Engineering Research Institute > Materials Analysis and Research Services
Identification Number: 10.1016/j.surfcoat.2005.02.017
Depositing User: Ann Betterton
Date Deposited: 17 Feb 2010 13:49
Last Modified: 10 Sep 2010 16:08
URI: http://shura.shu.ac.uk/id/eprint/1136

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