NDLI: Electrodeposited Hydroxyapatite-Based Biocoatings: Recent Progress and Future Challenges

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Electrodeposited Hydroxyapatite-Based Biocoatings: Recent Progress and Future Challenges

Content Provider	MDPI
Author	Safavi, Mir Saman Walsh, Frank C. Surmeneva, Maria A. Surmenev, Roman A. Khalil-Allafi, Jafar
Copyright Year	2021
Description	Hydroxyapatite has become an important coating material for bioimplants, following the introduction of synthetic HAp in the 1950s. The HAp coatings require controlled surface roughness/porosity, adequate corrosion resistance and need to show favorable tribological behavior. The deposition rate must be sufficiently fast and the coating technique needs to be applied at different scales on substrates having a diverse structure, composition, size, and shape. A detailed overview of dry and wet coating methods is given. The benefits of electrodeposition include controlled thickness and morphology, ability to coat a wide range of component size/shape and ease of industrial processing. Pulsed current and potential techniques have provided denser and more uniform coatings on different metallic materials/implants. The mechanism of HAp electrodeposition is considered and the effect of operational variables on deposit properties is highlighted. The most recent progress in the field is critically reviewed. Developments in mineral substituted and included particle, composite HAp coatings, including those reinforced by metallic, ceramic and polymeric particles; carbon nanotubes, modified graphenes, chitosan, and heparin, are considered in detail. Technical challenges which deserve further research are identified and a forward look in the field of the electrodeposited HAp coatings is taken.
Starting Page	110
e-ISSN	20796412
DOI	10.3390/coatings11010110
Journal	Coatings
Issue Number	1
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-01-19
Access Restriction	Open
Subject Keyword	Coatings Coatings and Films Bioactivity Biocompatibility Coating Corrosion Electrodeposition Hydroxyapatite
Content Type	Text
Resource Type	Article

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