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ROČŇÁKOVÁ, I. SLÁMEČKA, K. MONTUFAR JIMENEZ, E. REMEŠOVÁ, M. DYČKOVÁ, L. BŘÍNEK, A. JECH, D. DVOŘÁK, K. ČELKO, L. KAISER, J.
Original Title
Deposition of Hydroxyapatite and Tricalcium Phosphate Coatings by Suspension Plasma Spraying: Effects of Torch Speed
Type
journal article in Web of Science
Language
English
Original Abstract
This research focuses on the deposition of hydroxyapatite (HA) and tricalcium phosphate (TCP) coatings produced by suspension plasma spraying (SPS) using in-house liquid feedstock suspensions. The work studied the effects of torch speed on the thickness, microstructure, and crystalline composition of the coatings. SPS allowed the deposition of HA and TCP coatings with thickness between 28 and 90 um. The coatings presented lamellar microstructure with complex porosity between the splats. Micropores ranging from 0.2 to 6 μm and close mesopores, from 8 to 45 μm, had a spherical morphology and were homogenously distributed within the coatings. Water evaporation during SPS allowed the retention of pure and crystalline HA coatings. In contrast, the presence of water molecules led to the formation of HA as a secondary phase in the TCP coatings, which formed α-TCP as the major component due to the high temperature reached by the powder during deposition.
Keywords
suspension plasma spraying; hydroxyapatite; tricalcium phosphate; porosity; x-ray computed micro-tomography
Authors
ROČŇÁKOVÁ, I.; SLÁMEČKA, K.; MONTUFAR JIMENEZ, E.; REMEŠOVÁ, M.; DYČKOVÁ, L.; BŘÍNEK, A.; JECH, D.; DVOŘÁK, K.; ČELKO, L.; KAISER, J.
Released
1. 12. 2018
Publisher
Elsevier
Location
USA
ISBN
0955-2219
Periodical
Journal of the European Ceramic Society
Year of study
38
Number
16
State
United Kingdom of Great Britain and Northern Ireland
Pages from
5489
Pages to
5496
Pages count
8
URL
https://www.sciencedirect.com/science/article/pii/S095522191830493X?via%3Dihub
Full text in the Digital Library
http://hdl.handle.net/11012/178371
BibTex
@article{BUT149136, author="Ivana {Ročňáková} and Karel {Slámečka} and Edgar Benjamin {Montufar Jimenez} and Michaela {Remešová} and Lucie {Dyčková} and Adam {Břínek} and David {Jech} and Karel {Dvořák} and Ladislav {Čelko} and Jozef {Kaiser}", title="Deposition of Hydroxyapatite and Tricalcium Phosphate Coatings by Suspension Plasma Spraying: Effects of Torch Speed", journal="Journal of the European Ceramic Society", year="2018", volume="38", number="16", pages="5489--5496", doi="10.1016/j.jeurceramsoc.2018.08.007", issn="0955-2219", url="https://www.sciencedirect.com/science/article/pii/S095522191830493X?via%3Dihub" }