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Salehi, Sahar ; Fathi, M. H.:
Preparation of sol-gel derived hydroxyapatite/yttria stabilized zirconia nanocomposite coatings on 316 L stainless steel.
In:
2010 17th Iranian Conference of Biomedical Engineering (ICBME). -
Piscataway, NJ
: IEEE
,
2010
ISBN 978-1-4244-7483-7
DOI: https://doi.org/10.1109/ICBME.2010.5705016
Abstract
In this study, nanostructured composite coatings of hydroxyapatite (HA)/ 30wt% yttria stabilized zirconia (YSZ) coatings containing 0, 3, 5, and 8 mol% Y 2 O 3 were successfully synthesized using the sol-gel method. The crystallite size of the coating was about ~44-58 nm for tetragonal and cubic zirconia grain size and 75-87 nm for hydroxyapatite grain size. Crack-free and homogeneous HA-YSZ composite coatings were obtained with no observable defects. The uniform distribution of zirconia particles in composite would be highly beneficial for obtaining homogeneous coatings of HA-YSZ film and would hinder grain growth of HA phase during calcinations. The decrease in electrochemical performance of these coated samples on comparison with the uncoated type 316L St.St could be associated with chloride ion and water penetration into the coating, transport of ions through the coating, and the subsequent electrochemical reactions at the coating-metal interface.
Weitere Angaben
| Publikationsform: | Aufsatz in einem Buch |
|---|---|
| Begutachteter Beitrag: | Nein |
| Institutionen der Universität: | Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Biomaterialien |
| Titel an der UBT entstanden: | Nein |
| Themengebiete aus DDC: | 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin und Gesundheit 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften |
| Eingestellt am: | 13 Mär 2023 13:23 |
| Letzte Änderung: | 13 Mär 2023 13:23 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/74221 |