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High temperature tribological performance of CrAlYN/CrN nanoscale multilayer coatings deposited on ?-TiAl

By J.C. Walker, I.M. Ross, C. Reinhard, W.M. Rainforth and P.Eh. Hovsepian


This paper details the effect of temperature on the frictional behaviour of highly novel CrAlYN/CrN multilayer coatings, deposited by High Power Impulse Magnetron Sputtering (HIPIMS) on a Titanium Aluminide alloy used as fan blade material in the aerospace and a turbo-charger wheel in the automotive industries. The work was the first to discover the high temperature oxide 'glaze' layer formation which occurred on CrN multilayer-type coatings at higher temperatures and has received significant attention in the literature because of this finding.<br/><br/

Year: 2009
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Provided by: e-Prints Soton

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