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PROPERTIES OF HYDROXYAPATITE SURFACE DEPOSITED BY PLASMA SPRAY TECHNOLOGIES

1 MATĚJKOVÁ Michaela
Co-authors:
1,2 ČÍŽEK Jan 2 MUŠÁLEK Radek 1 DLOUHÝ Ivo
Institutions:
1 Institute of Materials Science and Engineering, NETME centre, Brno University of Technology, Czech Republic
2 Institute of Plasma Physics CAS, v.v.i., Department of Materials Engineering, Prague, Czech Republic
Conference:
26th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 24th - 26th 2017
Proceedings:
Proceedings 26th International Conference on Metallurgy and Materials
Pages:
1377-1381
ISBN:
978-80-87294-79-6
ISSN:
2694-9296
Published:
9th January 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
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Abstract

The surface properties of hydroxyapatite (HA) deposited on the Ti-6Al-4V substrates by plasma spraying were studied. Two different plasma spray technologies (hybrid plasma spray system (WSP-H) and conventional atmospheric plasma spray technology (APS)) and two various feedstock (suspension for WSP-H and powder for APS) were used for deposition of HA layers potentially suitable for bio-applications. The layers properties (thickness, chemical and phase composition) and coating-substrate interface quality were analyzed. The XRD analysis showed formation of small amount of new phases (TTCP and CaO) in layers deposited by WSP-H. Better coating-substrate interface quality of samples prepared by WSP-H was observed. The results showed the deposition of HA through liquid feedstock via WSP-H as a promising route, complementing the traditional APS powder deposition in the near future.

Keywords: Hydroxyapatite, hybrid water-stabilized plasma spray, atmospheric plasma spray technology

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