Tribological and electrochemical performances of Cr/CrN and Cr/CrN/CrAlN multilayer coatings deposited by \RF\ magnetron sputtering
By N.E. Beliardouh and K. Bouzid and C. Nouveau and B. Tlili and M.J. Walock
Published in Tribology International
NULL
2015
Abstract
CrN/CrAlN and Cr/CrN/CrAlN multilayers were grown with dual \RF\ magnetron sputtering. The application of these multilayers will be wood machining of green wood. That is why ball-on-disc and electrochemical tests in NaCl aqueous solution were realized to elucidate the tribological and corrosion behavior of these coatings as they will be exposed to wear and corrosion during wood machining process. The samples/alumina and samples/WC coupling showed different wear mechanisms. The 300 nm thick Cr/CrN/CrAlN multilayer demonstrated the best tribological behavior and corrosion resistance. The influence of growth defects on corrosion resistance has been shown.
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