Study of Electrochemical and Mechanical Properties of Graphene/HAp Composite Coating on Ti-13Nb-13Zr Alloy via Electrophoretic Deposition for Biomedical Application

Open Access

Year : 2023 | Volume : 11 | Special Issue : 02 | Page : 91-106

    Nabeel Mohammed Abd Alkadim

  1. Professor, University of Babylon, College of Materials Engineering, Hilla, Iraq


Titanium-13niobium-13zirconium alloy has widespread potential in biomedical applications due to its high degree of biocompatibility, favourable mechanical properties, high corrosion resistance, and high possibility of osseointegration. The surface was improved by electrophoretic deposition method using hydroxyapatite and graphene (5 g nanoHAp) (5 g nanoHAp+0.06 nanoGr) and suspended in ethanol solution at different conditions of time (1, 3, and 7 minutes) and voltage (50, 70, and 100 V). The effect of the two suspended materials on the surface of the Ti-13Nb-13Zr alloy was studied by using the tests of visual observation, scanning electron microscopy (SEM), and the weight and thickness of the coating layer to know the homogeneity of the coating layer, and adhesion testing, contact angle, wear test and electrochemical tests in addition to X-ray diffraction. The results showed that the addition of graphene led to the stability of the coating layer thickness with deposition time in contrast to the voltage and an improvement in the adhesion, which increased from 0.91 to 3.03 compared to adding hydroxyapatite only. The corrosion strength was improved from 76% for hydroxyapatite coating at 1 minute and 70 V to 95% for graphene-hydroxyapatite coating under the same conditions. When tested for wear, lower volume loss is evident for the graphene-hydroxyapatite coating compared to the hydroxyapatite coating under the same condition.

Keywords: Corrosion behaviour, electrophoretic deposition, Ti-13Nb-13Zr alloy, hydroxyapatite, graphene

This article belongs to Special Issue Conference Material Science and Nanotechnology

How to cite this article: Nabeel Mohammed Abd Alkadim Study of Electrochemical and Mechanical Properties of Graphene/HAp Composite Coating on Ti-13Nb-13Zr Alloy via Electrophoretic Deposition for Biomedical Application jopc 2023; 11:91-106
How to cite this URL: Nabeel Mohammed Abd Alkadim Study of Electrochemical and Mechanical Properties of Graphene/HAp Composite Coating on Ti-13Nb-13Zr Alloy via Electrophoretic Deposition for Biomedical Application jopc 2023 {cited 2023 Apr 18};11:91-106. Available from:

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Conference Open Access Original Research
Volume 11
Special Issue 02
Received December 8, 2022
Accepted January 31, 2023
Published April 18, 2023