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- Title
Comparative Study of Zirconium Nitride Multilayer Coatings: Crystallinity, In Vitro Oxidation Behaviour and Tribological Properties Deposited via Sputtering and Arc Deposition.
- Authors
Dohm, Julius C.; Schmidt, Susann; Puente Reyna, Ana Laura; Richter, Berna; Santana, Antonio; Grupp, Thomas M.
- Abstract
This study aims to evaluate and compare the properties of a biomedical clinically established zirconium nitride (ZrN) multilayer coating prepared using two different techniques: pulsed magnetron sputtering and cathodic arc deposition. The investigation focuses on the crystalline structure, grain size, in-vitro oxidation behaviour and tribological performance of these two coating techniques. Experimental findings demonstrate that the sputter deposition process resulted in a distinct crystalline structure and smaller grain size compared to the arc deposition process. Furthermore, in vitro oxidation caused oxygen to penetrate the surface of the sputtered ZrN top layer to a depth of 700 nm compared to 280 nm in the case of the arc-deposited coating. Finally, tribological testing revealed the improved wear rate of the ZrN multilayer coating applied by sputter deposition.
- Subjects
SPUTTER deposition; TOTAL knee replacement; CRYSTAL structure; MECHANICAL wear; GRAIN size; SURFACE coatings
- Publication
Journal of Functional Biomaterials, 2024, Vol 15, Issue 8, p223
- ISSN
2079-4983
- Publication type
Article
- DOI
10.3390/jfb15080223