Study of the stability under in vitro physiological conditions of surface silanized equimolar HfNbTaTiZr high-entropy alloy: A first step toward bio-implant applications

A methodology of surface chemical functionalization of equimolar HfNbTaTiZr high-entropy alloy (HEA) is presented herein. The aim is to improve the biocompatibility of this material for its application as bio-implants. X-ray Photoelectron Spectroscopy (XPS) showed that air or aqueous oxidation of Hf...

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Veröffentlicht in:	Surface & coatings technology 2020-03, Vol.385, p.125374, Article 125374
Hauptverfasser:	Gueye, M., Ammar-Merah, S., Nowak, S., Decorse, P., Chevillot-Biraud, A., Perrière, L., Couzinie, J.P., Guillot, I., Dirras, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biocompatibility Buffers (chemistry) Chemical stability under in-vitro physiological conditions Engineering Sciences Ethanol High entropy alloy (HE) High entropy alloys Hydrogen peroxide Inert atmospheres Oxidation Photoelectrons Precursors Reaction time Siloxanes Sol-gel chemistry Sol-gel processes Stoichiometry Surface functionalization Tantalum Tantalum oxides Thickness Titanium dioxide Transplants & implants X ray photoelectron spectroscopy X-ray photoelectron spectroscopy (XPS) Zirconium dioxide
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