Metals and Materials International

, Volume 21, Issue 1, pp 96–103 | Cite as

Electrophoretic deposition and characterization of HA/chitosan nanocomposite coatings on Ti6Al7Nb alloy

  • Tomasz MoskalewiczEmail author
  • Marcin Kot
  • Sigrid Seuss
  • Aleksandra Kędzierska
  • Aleksandra Czyrska-Filemonowicz
  • Aldo R. Boccaccini


Nano-hydroxyapatite/chitosan (nc-HA/chitosan) composite coatings were produced on two phase (α+β) Ti6Al7Nb titanium alloy substrates by electrophoretic deposition (EPD). The microstructure of the coatings was examined by scanning- and transmission electron microscopy methods as well as by X-ray diffractometry. The coatings, 770 nm–800 nm thick, were uniform, without any cracks or presence of large voids and they exhibited good adhesion to the titanium alloy substrate. The microstructure of the coatings consisted of nc-HA needle-like particles homogeneously embedded in a chitosan matrix. The deposited coatings exhibited good adhesion to the substrate. The best adhesion to the titanium alloy was determined for the coating deposited from suspensions containing 4 g/L of HA at 10 V during 240 s. The results confirm EPD as a convenient method to develop uniform and crack-free nanoscale organic-inorganic composite coatings on two phase titanium alloy substrates with potential application in orthopedic and dental implants.


biomaterials coating surface modification microstructure transmission electron microscopy (TEM) 


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Copyright information

© The Korean Institute of Metals and Materials and Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  • Tomasz Moskalewicz
    • 1
    Email author
  • Marcin Kot
    • 2
  • Sigrid Seuss
    • 3
  • Aleksandra Kędzierska
    • 4
    • 5
  • Aleksandra Czyrska-Filemonowicz
    • 1
  • Aldo R. Boccaccini
    • 3
  1. 1.Faculty of Metals Engineering and Industrial Computer ScienceAGH University of Science and TechnologyKrakówPoland
  2. 2.Faculty of Mechanical Engineering and RoboticsAGH University of Science and TechnologyKrakówPoland
  3. 3.Institute of BiomaterialsUniversity of Erlangen-NurembergErlangenGermany
  4. 4.Institute of High Pressure PhysicsPolish Academy of ScienceWarsawPoland
  5. 5.Faculty of ChemistryWarsaw University of TechnologyWarsawPoland

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