NDLI: Effect of Hydrothermal and Vapor Thermal Treatments on Apatite Inductivity of Titanate Nanotubes on Anodized Ti-5Nb-5Mo Surface.

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Effect of Hydrothermal and Vapor Thermal Treatments on Apatite Inductivity of Titanate Nanotubes on Anodized Ti-5Nb-5Mo Surface.

Content Provider	Europe PMC
Author	Hsieh, Kuan-Hsiang Hsu, Hsueh-Chuan Wu, Shih-Ching Shih, Yi-Cheng Yang, Hsiang-Wei Ho, Wen-Fu
Editor	Wu, Hao Ding, Kejian Wu, Guosong
Copyright Year	2023
Abstract	Although titanium (Ti) alloys have been widely employed as biomedical materials, they cannot achieve satisfactory osseointegration when implanted in the human body due to their biologically inert nature. Surface modification can enhance both their bioactivity and corrosion resistance. The present study employed a Ti–5Nb–5Mo alloy with a metastable α″ phase. This alloy may undergo phase changes after conventional high-temperature heat treatment, which can deteriorate its properties. This study heat-treated the anodized Ti–5Nb–5Mo alloy by using a low-temperature hydrothermal or vapor thermal method to analyze the effects of heat treatment on its apatite induction. The results revealed that the porous nanotube structure on the surface of the alloy was transformed into anatase nanoparticles after hydrothermal or vapor thermal treatment at 150 °C for 6 h. After immersion in simulated body fluid (SBF) for 7 days, the amount of apatite deposited on the surface of the vapor thermal-treated alloy exceeded that on the hydrothermal-treated alloy. Therefore, post-heat treatment of anodized Ti–5Nb–5Mo by using the vapor thermal method can enhance its apatite inductivity without altering its structure.
Journal	Nanomaterials (Basel, Switzerland)
Volume Number	13
PubMed Central reference number	PMC10140902
Issue Number	8
PubMed reference number	37110880
e-ISSN	20794991
DOI	10.3390/nano13081296
Language	English
Publisher	MDPI
Publisher Date	2023-04-07
Access Restriction	Open
Rights License	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/). © 2023 by the authors.
Subject Keyword	titanium alloy anodization hydrothermal vapor thermal apatite induction
Content Type	Text
Resource Type	Article
Subject	Chemical Engineering Materials Science

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