Comparative investigation on the adhesion of hydroxyapatite coating on Ti–6Al–4V implant: A review paper

Mohseni, E. and Zalnezhad, E. and Bushroa, A.R. (2014) Comparative investigation on the adhesion of hydroxyapatite coating on Ti–6Al–4V implant: A review paper. International Journal of Adhesion and Adhesives, 48. pp. 238-257. ISSN 0143-7496

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Abstract

Hydroxyapatite (HA) has been used in clinical bone graft procedures for the past 25 years. Although a biocompatible material, its poor adhesion strength to substrate makes it unsuitable for major load-bearing devices. Investigations on various deposition techniques of HA coating on Ti–6Al–4V implants have been made over the years, in particular to improve its adhesion strength to the metal alloy and its long-term reliability. This review comprehensively analyzes nine techniques mostly used for deposition of HA onto Ti–6Al–4V alloys. The techniques reviewed are Plasma sprayed deposition, Hot Isostatic Pressing, Thermal Spray, Dip coating, Pulsed Laser deposition (PLD), Electrophoretic deposition (EPD), Sol–Gel, Ion Beam Assisted deposition (IBAD), and Sputtering. The advantages and disadvantages of each method over other techniques are discussed. The adhesion strength and the factors affecting the adhesion of HA coating on Ti–6Al–4V implants are also compared.

Item Type: Article
Uncontrolled Keywords: Adhesion; Hydroxyapatite; Coating; Ti–6Al–4V implant
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 10 Jan 2015 06:56
Last Modified: 10 Jan 2015 06:56
URI: http://eprints.um.edu.my/id/eprint/11810

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