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

LUO, Quanshun, ROBINSON, Gary, PITTMAN, Manfred, HOWARTH, Martin, SIM, W.M., STALLEY, M.R., LEITNER, H., EBNER, R., CALISKANOGLU, D. and HOVSEPIAN, Papken (2005). Performance of nano-structured multilayer PVD coating TiAlN/VN in dry high speed milling of aerospace aluminium 7010-T7651. Surface and Coatings Technology, 200, 123-127.

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Official URL: http://www.elsevier.com/locate/surfcoat
Link to published version:: https://doi.org/10.1016/j.surfcoat.2005.02.017
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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.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Materials Analysis and Research Services
Identification Number: https://doi.org/10.1016/j.surfcoat.2005.02.017
Page Range: 123-127
Depositing User: Quanshun Luo
Date Deposited: 28 Jul 2011 12:57
Last Modified: 18 Mar 2021 13:33
URI: https://shura.shu.ac.uk/id/eprint/3746

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