Effect of Annealing on the Surface Hardness of High-Fluence Nitrogen Ion-Implanted Titanium

Commercially pure titanium grade II was kinetically nitrided by implanting nitrogen ions with a fluence in the range of (1–9)·10(17) cm(−2) and ion energy of 90 keV. Post-implantation annealing in the temperature stability range of TiN (up to 600 °C) shows hardness degradation for titanium implanted...

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Autores principales: Vlcak, Petr, Sepitka, Josef, Koller, Jan, Drahokoupil, Jan, Tolde, Zdenek, Svoboda, Simon
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10223514/
https://www.ncbi.nlm.nih.gov/pubmed/37241465
http://dx.doi.org/10.3390/ma16103837
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author Vlcak, Petr
Sepitka, Josef
Koller, Jan
Drahokoupil, Jan
Tolde, Zdenek
Svoboda, Simon
author_facet Vlcak, Petr
Sepitka, Josef
Koller, Jan
Drahokoupil, Jan
Tolde, Zdenek
Svoboda, Simon
author_sort Vlcak, Petr
collection PubMed
description Commercially pure titanium grade II was kinetically nitrided by implanting nitrogen ions with a fluence in the range of (1–9)·10(17) cm(−2) and ion energy of 90 keV. Post-implantation annealing in the temperature stability range of TiN (up to 600 °C) shows hardness degradation for titanium implanted with high fluences above 6·10(17) cm(−2), leading to nitrogen oversaturation. Temperature-induced redistribution of interstitially located nitrogen in the oversaturated lattice has been found to be the predominant hardness degradation mechanism. The impact of the annealing temperature on a change in surface hardness related to the applied fluence of implanted nitrogen has been demonstrated.
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spelling pubmed-102235142023-05-28 Effect of Annealing on the Surface Hardness of High-Fluence Nitrogen Ion-Implanted Titanium Vlcak, Petr Sepitka, Josef Koller, Jan Drahokoupil, Jan Tolde, Zdenek Svoboda, Simon Materials (Basel) Article Commercially pure titanium grade II was kinetically nitrided by implanting nitrogen ions with a fluence in the range of (1–9)·10(17) cm(−2) and ion energy of 90 keV. Post-implantation annealing in the temperature stability range of TiN (up to 600 °C) shows hardness degradation for titanium implanted with high fluences above 6·10(17) cm(−2), leading to nitrogen oversaturation. Temperature-induced redistribution of interstitially located nitrogen in the oversaturated lattice has been found to be the predominant hardness degradation mechanism. The impact of the annealing temperature on a change in surface hardness related to the applied fluence of implanted nitrogen has been demonstrated. MDPI 2023-05-19 /pmc/articles/PMC10223514/ /pubmed/37241465 http://dx.doi.org/10.3390/ma16103837 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/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 (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Vlcak, Petr
Sepitka, Josef
Koller, Jan
Drahokoupil, Jan
Tolde, Zdenek
Svoboda, Simon
Effect of Annealing on the Surface Hardness of High-Fluence Nitrogen Ion-Implanted Titanium
title Effect of Annealing on the Surface Hardness of High-Fluence Nitrogen Ion-Implanted Titanium
title_full Effect of Annealing on the Surface Hardness of High-Fluence Nitrogen Ion-Implanted Titanium
title_fullStr Effect of Annealing on the Surface Hardness of High-Fluence Nitrogen Ion-Implanted Titanium
title_full_unstemmed Effect of Annealing on the Surface Hardness of High-Fluence Nitrogen Ion-Implanted Titanium
title_short Effect of Annealing on the Surface Hardness of High-Fluence Nitrogen Ion-Implanted Titanium
title_sort effect of annealing on the surface hardness of high-fluence nitrogen ion-implanted titanium
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10223514/
https://www.ncbi.nlm.nih.gov/pubmed/37241465
http://dx.doi.org/10.3390/ma16103837
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