Electrophoretic Deposition of PEEK-TiO2 Composite Coatings on Stainless Steel


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Electrophoretic deposition (EPD) has been successfully used to deposit composite coatings composed of polyetheretherketone (PEEK) and titanium dioxide (TiO2) nanoparticles on 316L stainless steel substrates. The suspensions of TiO2 nanoparticles and PEEK microparticles for EPD were prepared in ethanol. PEEK-TiO2 composite coatings were optimized using suspensions containing 6wt% PEEK-TiO2 in ethanol with a 3:1 ratio of PEEK to TiO2 in weight and by applying a potential difference of 30 V for 1 minute. A heat-treatment process of the optimized PEEK-TiO2 composite coatings was performed at 335°C for 30 minutes with a heating rate of 10°Cminto densify the deposits. The EPD coatings were microstructurally evaluated by scanning electron microscopy (SEM). It was demonstrated that EPD is a convenient and rapid method to fabricate PEEK/TiO2 coatings on stainless steel which are interesting for biomedical applications.



Edited by:

A. R. Boccaccini, O. Van der Biest, R. Clasen and J.H. Dickerson




S. Seuss et al., "Electrophoretic Deposition of PEEK-TiO2 Composite Coatings on Stainless Steel", Key Engineering Materials, Vol. 507, pp. 127-133, 2012

Online since:

March 2012




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