Mechanical properties and bio-tribological performance of PVD (Ta/ZrN)n multilayer coatings on UHMWPE in bovine serum lubrication
Article dans une revue avec comité de lecture
Author
RAMOUL, Chems EddineNOUVEAU, Corinne NASSER EDDINE, BELIARDOUH KALELI, Emrullah Hakan OURDJINI, Ali GHELLOUDJ, Oualid DEMİRTAŞ, SELMAN GHARBI, AmelBOUZID, KheireddineAbstract
This work investigated the tribological performance of (Ta/ZrN)n multilayer coatings against ultrahigh molecular weight
polyethylene (UHMWPE) material. Three multilayer coatings with different designs were deposited on Ti-6Al-4 V substrate
and subjected to wear testing under lubrication of diluted bovine calf serum. The results revealed an improvement in wear
resistance of (Ta/ZrN)n multilayer coatings and low coefficient of friction under an applied load of 1 N. High hardness,
excellent biotribological properties, and low residual stresses were obtained in the multilayer coating with the thinnest ZrN
as the topmost layer of 100 nm. This work demonstrates that Ta/ZrN multilayers can be promising coatings for prosthesis
applications.
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