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Microplasma spraying of hydroxyapatite coatings on additive manufacturing titanium implants with trabecular structures Cover

Microplasma spraying of hydroxyapatite coatings on additive manufacturing titanium implants with trabecular structures

Materials Science-Poland
Volume 40 (2022): Issue 4 (December 2022)
By: Albina Kadyroldina,  Darya Alontseva,  Sergey Voinarovych,  Leszek Łatka,  Oleksandr Kyslytsia,  Bagdat Azamatov,  Aleksandr Khozhanov,  Nadezhda Prokhorenkova,  Almira Zhilkashinova and  Svitlana Burburska  
Open Access
|Mar 2023

Figures & Tables

Fig. 1

Specimens of titanium trabecular substrates: detail of the endoprosthesis of the intervertebral disk (A); honeycomb structure (B)
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
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)
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
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
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)
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
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
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
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
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

ElementWt.% of element
Fe<0.3
N<0.05
O<0.2
Al5.5–6.75
C<0.08
V3.5–4.5
H<0.015
TiBalance
DOI: https://doi.org/10.2478/msp-2022-0043 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 28 - 42
Submitted on: Nov 23, 2022
Accepted on: Jan 17, 2023
Published on: Mar 6, 2023
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
additive manufacturing (AM),
implants,
trabecular surface,
microplasma spraying (MPS),
selective laser melting (SLM),
hydroxyapatite (HA)
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2023 Albina Kadyroldina, Darya Alontseva, Sergey Voinarovych, Leszek Łatka, Oleksandr Kyslytsia, Bagdat Azamatov, Aleksandr Khozhanov, Nadezhda Prokhorenkova, Almira Zhilkashinova, Svitlana Burburska, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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