PMID: 15348811Sep 7, 2004Paper

Topographical characterization and microstructural interface analysis of vacuum-plasma-sprayed titanium and hydroxyapatite coatings on carbon fibre-reinforced poly(etheretherketone)

Journal of Materials Science. Materials in Medicine
S W HaM Wieland

Abstract

In the present study, topographical characterization and microstructural interface analysis of vacuum-plasma-sprayed titanium and hydroxyapatite (HA) coatings on carbon fibre-reinforced polyetheretherketone (CF/PEEK) was performed. VPS-Ti coatings with high roughness values (Ra=28.29+/-3.07 microm, Rz=145.35+/-9.88 microm) were obtained. On this titanium, intermediate layer HA coatings of various thicknesses were produced. With increasing coating thickness, roughness values of the HA coatings decreased. A high increase of profile length ratio, Lr, of the VPS-Ti coatings (Lr=1.45) compared to the grit-blasted CF/PEEK substrate (Lr=1.08) was observed. Increasing the HA coating thickness resulted in a reduction of the Lr values similar to the roughness values. Fractal analysis of the obtained roughness profiles revealed that the VPS-Ti coatings showed the highest fractal dimension of D=1.34+/-0.02. Fractal dimension dropped to a value of 1.23-1.25 for all HA coatings. No physical deterioration of the CF/PEEK substrate was observed, indicating that substrate drying and the used VPS process parameter led to the desired coatings on the composite material. Cross-section analysis revealed a good interlocking between the titanium interm...Continue Reading

Citations

Apr 3, 2012·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Ichiro NakaharaNobuhiko Sugano
Jan 16, 2015·Journal of Materials Science. Materials in Medicine·Takashi KizukiTadashi Kokubo
Aug 7, 2012·Journal of Biomedical Materials Research. Part a·Sargon BarkarmoVictoria Stenport
Apr 30, 2016·International Journal of Biomaterials·Davood AlmasiTunku Kamarul
Nov 26, 2015·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Joseph KhouryRichard C Svrluga
Dec 6, 2019·Macromolecular Bioscience·Jennifer KnausHelmut Cölfen
Oct 26, 2012·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Ichiro NakaharaNobuhiko Sugano
Feb 7, 2021·Materials Science & Engineering. C, Materials for Biological Applications·K PrzykazaR Mroczka

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