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Materials Science-Poland
Volume 40 (2022): Issue 4 (December 2022)
Open Access
Microplasma spraying of hydroxyapatite coatings on additive manufacturing titanium implants with trabecular structures
Albina Kadyroldina
Albina Kadyroldina
,
Darya Alontseva
Darya Alontseva
,
Sergey Voinarovych
Sergey Voinarovych
,
Leszek Łatka
Leszek Łatka
,
Oleksandr Kyslytsia
Oleksandr Kyslytsia
,
Bagdat Azamatov
Bagdat Azamatov
,
Aleksandr Khozhanov
Aleksandr Khozhanov
,
Nadezhda Prokhorenkova
Nadezhda Prokhorenkova
,
Almira Zhilkashinova
Almira Zhilkashinova
and
Svitlana Burburska
Svitlana Burburska
| Mar 06, 2023
Materials Science-Poland
Volume 40 (2022): Issue 4 (December 2022)
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Published Online:
Mar 06, 2023
Page range:
28 - 42
Received:
Nov 23, 2022
Accepted:
Jan 17, 2023
DOI:
https://doi.org/10.2478/msp-2022-0043
Keywords
additive manufacturing (AM)
,
implants
,
trabecular surface
,
microplasma spraying (MPS)
,
selective laser melting (SLM)
,
hydroxyapatite (HA)
© 2023 Albina Kadyroldina et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Fig. 1
Specimens of titanium trabecular substrates: detail of the endoprosthesis of the intervertebral disk (A); honeycomb structure (B)
Fig. 2
Schematic representation (with dimensions in centimeters) of the assembled test assembly for testing the adhesion strength of coatings to a substrate: 1 — specimen No. 1; 2 - sprayed coating; 3 - a layer of adhesive bonding agent (a layer of glue); 4 – specimen No. 2
Fig. 3
Results of automated analysis with a color map of the deviations of a real specimen with a honeycomb structure from its stereolithographic (stl) model (A); visualization of the distribution of pores on a translucent three-dimensional model (B)
Fig. 4
Results of automated analysis of the porosity of a specimen with a honeycomb structure; the arrows indicate the largest defect found at the indicated point
Fig. 5
Results of statistics on the analysis of the porosity (number of pores by volume) of a specimen with a honeycomb structure; statistics circled in red frame
Fig. 6
Results of automated analysis with a color map of deviations of a real part of the endoprosthesis from the stereolithographic (stl) model (A); the largest defect found (B)
Fig. 7
Results of statistics on porosity analysis (number of pores by volume) for the part of the endoprosthesis; statistics circled in red frame
Fig. 8
HA powder feedstock: SEM image of HA particles indicating particle size (A); TEM image of the HA powder particle with the corresponding indexed microelectron diffraction pattern with zone axis [011] (B); XRD pattern of HA powder (C). SEM, scanning electron microscopy; TEM, transmission electron microscopy; XRD, X-ray diffraction
Fig. 9
HA-coating: SEM image of HA coating on a titanium trabecular 3D-printed substrate (A) and XRD pattern of microplasma-sprayed HA coating (B).HA, hydroxyapatite; SEM, scanning electron microscopy; TCP, tricalcium phosphate; XRD, X-ray diffraction
Fig. 10
Specimens of 3D-printed titanium substrates with HA microplasma coating before (A) and after (B) tensile adhesion tests. HA, hydroxyapatite
Chemical composition of Ti6Al4V titanium alloy (powder) according to ISO 5832-3
Element
Wt.% of element
Fe
<0.3
N
<0.05
O
<0.2
Al
5.5–6.75
C
<0.08
V
3.5–4.5
H
<0.015
Ti
Balance
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