Multilayered Diamond Coatings for Biomedical Implants
Author Information
Author(s): Leigh Booth, Shane A. Catledge, Dustin Nolen, Raymond G. Thompson, Yogesh K. Vohra
Primary Institution: The University of Alabama at Birmingham
Hypothesis
Can multilayered diamond coatings improve toughness and adhesion on biomedical implants?
Conclusion
Multilayered diamond coatings with lower average grain sizes and surface roughness perform comparably to single-layered coatings in adhesion tests.
Supporting Evidence
- Multilayer coatings with lower average grain sizes showed better adhesion.
- NCD coatings are biocompatible and reduce wear debris.
- Multilayer coatings can improve toughness and adhesion compared to single-layer coatings.
Takeaway
This study shows that using different layers of diamond can make implants stronger and stick better to the metal they're attached to.
Methodology
The study used microwave plasma chemical vapor deposition to create multilayered diamond coatings and assessed their properties through various tests.
Limitations
The study did not explore long-term wear performance under physiological conditions.
Digital Object Identifier (DOI)
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