Files
Document type
ArticleVersion
Accepted versionPublication date
Publication license
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/157834
Dense nanostructured calcium phosphate coating on titanium by cold spray
Journal Title
Director/Tutor
Additional contribution
Journal ISSN
Volume Title
Abstract
This article deals with the understanding of building-up mechanisms of bioactive nanocrystalline hydroxyapatite coatings by Cold Spray, revealing very promising results in contrast to more conventional techniques such as Plasma Spray. A full characterization of feedstock and coatings is provided. The agglomerated structure of the powder proved to be suitable to obtain successfully thick hydroxyapatite coatings. A crystallite size below similar to 20 nm in the powder and the as-sprayed coatings is calculated by the Rietveld X-ray refinement method and agreed by Transmission Electron Microscopy. Some wipe tests were carried out on Ti6Al4V substrates in order to study the deposition of single particles and the nanoscale features were evaluated. The resulting structure indicates that there is no delimitation of particle boundaries and the overall coating has been formed by effective compaction of the original nanocrystallites, leading to consistent and consolidated layers.
Related resource
Subject
Subject (English)
Citation
Citation
MARTÍN VILARDELL, Anna, et al. Dense nanostructured calcium phosphate coating on titanium by cold spray. Journal of the European Ceramic Society. 2017. Vol. 37, num. 4, pags. 1747-1755. ISSN 0955-2219. [consulted: 7 of October of 2026]. Available at: https://hdl.handle.net/2445/157834