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The Influence of Co Additive on the Sintering, Mechanical Properties, Cytocompatibility, and Digital Light Processing Based Stereolithography of 3Y-TZP-5Al(2)O(3) Ceramics

Nanocrystalline 3 mol% yttria-tetragonal zirconia polycrystal (3Y-TZP) ceramic powder containing 5 wt.% Al(2)O(3) with 64 m(2)/g specific area was synthesized through precipitation method. Different amounts of Co (0–3 mol%) were introduced into synthesized powders, and ceramic materials were obtaine...

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Autores principales: Goldberg, Margarita, Obolkina, Tatiana, Smirnov, Sergey, Protsenko, Pavel, Titov, Dmitriy, Antonova, Olga, Konovalov, Anatoliy, Kudryavtsev, Egor, Sviridova, Irina, Kirsanova, Valentina, Sergeeva, Natalia, Komlev, Vladimir, Barinov, Sergey
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7345489/
https://www.ncbi.nlm.nih.gov/pubmed/32575732
http://dx.doi.org/10.3390/ma13122789
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author Goldberg, Margarita
Obolkina, Tatiana
Smirnov, Sergey
Protsenko, Pavel
Titov, Dmitriy
Antonova, Olga
Konovalov, Anatoliy
Kudryavtsev, Egor
Sviridova, Irina
Kirsanova, Valentina
Sergeeva, Natalia
Komlev, Vladimir
Barinov, Sergey
author_facet Goldberg, Margarita
Obolkina, Tatiana
Smirnov, Sergey
Protsenko, Pavel
Titov, Dmitriy
Antonova, Olga
Konovalov, Anatoliy
Kudryavtsev, Egor
Sviridova, Irina
Kirsanova, Valentina
Sergeeva, Natalia
Komlev, Vladimir
Barinov, Sergey
author_sort Goldberg, Margarita
collection PubMed
description Nanocrystalline 3 mol% yttria-tetragonal zirconia polycrystal (3Y-TZP) ceramic powder containing 5 wt.% Al(2)O(3) with 64 m(2)/g specific area was synthesized through precipitation method. Different amounts of Co (0–3 mol%) were introduced into synthesized powders, and ceramic materials were obtained by heat treatment in the air for 2 h at 1350–1550 °C. The influence of Co addition on the sintering temperature, phase composition, microstructure, mechanical and biomedical properties of the obtained composite materials, and on the resolution of the digital light processing (DLP) printed and sintered ceramic samples was investigated. The addition of a low amount of Co (0.33 mol%) allows us to decrease the sintering temperature, to improve the mechanical properties of ceramics, to preserve the nanoscale size of grains at 1350–1400 °C. The further increase of Co concentration resulted in the formation of both substitutional and interstitial sites in solid solution and appearance of CoAl(2)O(4) confirmed by UV-visible spectroscopy, which stimulates grain growth. Due to the prevention of enlarging grains and to the formation of the dense microstructure in ceramic based on the tetragonal ZrO(2) and Al(2)O(3) with 0.33 mol% Co the bending strength of 720 ± 33 MPa was obtained after sintering at 1400 °C. The obtained materials demonstrated the absence of cytotoxicity and good cytocompatibility. The formation of blue CoAl(2)O(4) allows us to improve the resolution of DLP based stereolithographic printed green bodies and sintered samples of the ceramics based on ZrO(2)-Al(2)O(3). The developed materials and technology could be the basis for 3D manufacturing of bioceramic implants for medicine.
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spelling pubmed-73454892020-07-09 The Influence of Co Additive on the Sintering, Mechanical Properties, Cytocompatibility, and Digital Light Processing Based Stereolithography of 3Y-TZP-5Al(2)O(3) Ceramics Goldberg, Margarita Obolkina, Tatiana Smirnov, Sergey Protsenko, Pavel Titov, Dmitriy Antonova, Olga Konovalov, Anatoliy Kudryavtsev, Egor Sviridova, Irina Kirsanova, Valentina Sergeeva, Natalia Komlev, Vladimir Barinov, Sergey Materials (Basel) Article Nanocrystalline 3 mol% yttria-tetragonal zirconia polycrystal (3Y-TZP) ceramic powder containing 5 wt.% Al(2)O(3) with 64 m(2)/g specific area was synthesized through precipitation method. Different amounts of Co (0–3 mol%) were introduced into synthesized powders, and ceramic materials were obtained by heat treatment in the air for 2 h at 1350–1550 °C. The influence of Co addition on the sintering temperature, phase composition, microstructure, mechanical and biomedical properties of the obtained composite materials, and on the resolution of the digital light processing (DLP) printed and sintered ceramic samples was investigated. The addition of a low amount of Co (0.33 mol%) allows us to decrease the sintering temperature, to improve the mechanical properties of ceramics, to preserve the nanoscale size of grains at 1350–1400 °C. The further increase of Co concentration resulted in the formation of both substitutional and interstitial sites in solid solution and appearance of CoAl(2)O(4) confirmed by UV-visible spectroscopy, which stimulates grain growth. Due to the prevention of enlarging grains and to the formation of the dense microstructure in ceramic based on the tetragonal ZrO(2) and Al(2)O(3) with 0.33 mol% Co the bending strength of 720 ± 33 MPa was obtained after sintering at 1400 °C. The obtained materials demonstrated the absence of cytotoxicity and good cytocompatibility. The formation of blue CoAl(2)O(4) allows us to improve the resolution of DLP based stereolithographic printed green bodies and sintered samples of the ceramics based on ZrO(2)-Al(2)O(3). The developed materials and technology could be the basis for 3D manufacturing of bioceramic implants for medicine. MDPI 2020-06-20 /pmc/articles/PMC7345489/ /pubmed/32575732 http://dx.doi.org/10.3390/ma13122789 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Goldberg, Margarita
Obolkina, Tatiana
Smirnov, Sergey
Protsenko, Pavel
Titov, Dmitriy
Antonova, Olga
Konovalov, Anatoliy
Kudryavtsev, Egor
Sviridova, Irina
Kirsanova, Valentina
Sergeeva, Natalia
Komlev, Vladimir
Barinov, Sergey
The Influence of Co Additive on the Sintering, Mechanical Properties, Cytocompatibility, and Digital Light Processing Based Stereolithography of 3Y-TZP-5Al(2)O(3) Ceramics
title The Influence of Co Additive on the Sintering, Mechanical Properties, Cytocompatibility, and Digital Light Processing Based Stereolithography of 3Y-TZP-5Al(2)O(3) Ceramics
title_full The Influence of Co Additive on the Sintering, Mechanical Properties, Cytocompatibility, and Digital Light Processing Based Stereolithography of 3Y-TZP-5Al(2)O(3) Ceramics
title_fullStr The Influence of Co Additive on the Sintering, Mechanical Properties, Cytocompatibility, and Digital Light Processing Based Stereolithography of 3Y-TZP-5Al(2)O(3) Ceramics
title_full_unstemmed The Influence of Co Additive on the Sintering, Mechanical Properties, Cytocompatibility, and Digital Light Processing Based Stereolithography of 3Y-TZP-5Al(2)O(3) Ceramics
title_short The Influence of Co Additive on the Sintering, Mechanical Properties, Cytocompatibility, and Digital Light Processing Based Stereolithography of 3Y-TZP-5Al(2)O(3) Ceramics
title_sort influence of co additive on the sintering, mechanical properties, cytocompatibility, and digital light processing based stereolithography of 3y-tzp-5al(2)o(3) ceramics
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7345489/
https://www.ncbi.nlm.nih.gov/pubmed/32575732
http://dx.doi.org/10.3390/ma13122789
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