Effect of Tricalcium Magnesium Silicate Coating on the Electrochemical and Biological Behavior of Ti-6Al-4V Alloys

Abstract

In the current study, a sol-gel-synthesized tricalcium magnesium silicate powder was coated on Ti-6Al-4V alloys using plasma spray method. Composition of feed powder was evaluated by X-ray diffraction technique before and after the coating process. Scanning electron microscopy and atomic force microscopy were used to study the morphology of coated substrates. The corrosion behaviors of bare and coated Ti-6Al-4V alloys were examined using potentiodynamic polarization test and electrochemical impedance spectroscopy in stimulated body fluids. Moreover, bare and coated Ti-6Al-4V alloys were characterized in vitro by culturing osteoblast and mesenchymal stem cells for several days. Results demonstrated a meaningful improvement in the corrosion resistance of Ti-6Al-4V alloys coated with tricalcium magnesium silicate compared with the bare counterparts, by showing a decrease in corrosion current density from 1.84 μA/cm2 to 0.31 μA/cm2. Furthermore, the coating substantially improved the bioactivity of Ti-6Al-4Valloys. Our study on corrosion behavior and biological response of Ti-6Al-4V alloy coated by tricalcium magnesium silicate proved that the coating has considerably enhanced safety and applicability of Ti-6Al-4V alloys, suggesting its potential use in permanent implants and artificial joints.

Recent Advancements in Surface Modification, Characterization and Functionalization for Enhancing the Biocompatibility and Corrosion Resistance of Biomedical Implants

“…The most suitable substance for biomedical purposes is suggested to be permeable Ti-Nb alloys produced by electro-deoxidation. Maleki-Ghaleh et al [67] used the plasma spray technique to deposit a sol-gel-produced tricalcium magnesium silicate powder on Ti-6Al-4V alloys. In this research, Ti-6Al-4V alloys were coated with nanoscale tricalcium magnesium silicate powder using the plasma spray technique.…”

Surface Modification Techniques of Titanium and its Alloys to Functionally Optimize Their Biomedical Properties: Thematic Review

“…Many new coating materials have received extensive attention. For instance, tricalcium magnesium silicate is recommended as a new coating, which has almost the same thermal expansion properties as Ti-6Al-4V, also it has the potential to enhance the corrosion and biological behavior of permanent metallic implants ( Maleki-Ghaleh et al, 2015 ). At the same time, other metal elements with excellent bio-properties like tantalum ( Kuo et al, 2019 ), have been deposited on titanium alloy implants.…”

Modification of implant surfaces to stimulate mesenchymal cell activation

“…The study is of review type using the keywords: mesenchymal cells implant surface, differentiation, and their combination with the aim of finding logical connections between the activity of mesenchymal cells and possible and different modifications of the implant surface. The search was conducted in several attempts to find articles, (Esfahanian et al 2012) where gradually from 259 articles it was narrowed the list at 73 articles and after the elimination of articles in accordance with the criteria of non-inclusion and during the reading and analysis phase of abstracts, at the end of the electronic search, was a total of 36 articles, available for further and detailed analysis, in accordance with the purpose of the study (Omar et al 2011;Wang et al 2014;Herranz-Diez et al 2016;Chang et al 2016;Hyzy et al 2017;D' Alimonte et al 2017;Guillem-Marti et al 2019;Smaranda Dana Buduru 2019;Bressel et al 2017;Yusa et al 2011Yusa et al , 2016Galli et al 2013;Burghardt et al 2015;Lauria et al 2018;Zhou and Zhao 2016;Yu et al 2017;Manfredi et al 2016;Calzado-Martín et al 2011;Wei et al 2019;Singhatanadgit et al 2019;Kwon and Park 2018;Sagomonyants et al 2011;Maleki-Ghaleh et al 2015;Yang et al 2015;Hao et al 2016;He et al 2016;Zhou et al 2017;Ping et al 2017;Li et al 2017;Zheng et al 2017;Tsuchiya et al 2018;Shao et al 2018;Chen et al 2018;…”