Electrophoretic deposition of composite hydroxyapatite-chitosan coatings

Xin, Pang; Zhitomirsky, Igor

doi:10.1016/j.matchar.2006.05.011

Title: Electrophoretic deposition of composite hydroxyapatite-chitosan coatings

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Abstract

Cathodic electrophoretic deposition has been utilized for the fabrication of composite hydroxyapatite-chitosan coatings on 316L stainless steel substrates. The addition of chitosan to the hydroxyapatite suspensions promoted the electrophoretic deposition of the hydroxyapatite nanoparticles and resulted in the formation of composite coatings. The obtained coatings were investigated by X-ray diffraction, thermogravimetric and differential thermal analysis, scanning and transmission electron microscopy, potentiodynamic polarization measurements, and electrochemical impedance spectroscopy. It was shown that the deposit composition can be changed by a variation of the chitosan or hydroxyapatite concentration in the solutions. Experimental conditions were developed for the fabrication of hydroxyapatite-chitosan nanocomposites containing 40.9-89.8 wt.% hydroxyapatite. The method enabled the formation of adherent and uniform coatings of thicknesses up to 60 {mu}m. X-ray studies revealed that the preferred orientation of the hydroxyapatite nanoparticles in the chitosan matrix increases with decreasing hydroxyapatite content in the composite coatings. The obtained coatings provided the corrosion protection for the 316L stainless steel substrates00.

Authors:

Xin, Pang ^[1]; Zhitomirsky, Igor ^[1]

Department of Materials Science and Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7 (Canada)

Publication Date:: Sun Apr 15 00:00:00 EDT 2007

OSTI Identifier:: 21003548

Resource Type:: Journal Article

Journal Name:: Materials Characterization

Additional Journal Information:: Journal Volume: 58; Journal Issue: 4; Other Information: DOI: 10.1016/j.matchar.2006.05.011; PII: S1044-5803(06)00161-6; Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1044-5803

Country of Publication:: United States

Language:: English

Subject:: 60 APPLIED LIFE SCIENCES; AMINO ACIDS; APATITES; COATINGS; COMPOSITE MATERIALS; DEPOSITION; DIFFERENTIAL THERMAL ANALYSIS; ELECTROCHEMISTRY; ELECTROPHORESIS; GRAIN ORIENTATION; NANOSTRUCTURES; OLIGOSACCHARIDES; STAINLESS STEEL-316L; THERMAL GRAVIMETRIC ANALYSIS; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTION

Citation Formats


                    Xin, Pang, and Zhitomirsky, Igor. Electrophoretic deposition of composite hydroxyapatite-chitosan coatings.  United States: N. p., 2007. 
        Web.  doi:10.1016/j.matchar.2006.05.011.

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                    Xin, Pang, & Zhitomirsky, Igor. Electrophoretic deposition of composite hydroxyapatite-chitosan coatings.  United States.  https://doi.org/10.1016/j.matchar.2006.05.011

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                    Xin, Pang, and Zhitomirsky, Igor. 2007.  
        "Electrophoretic deposition of composite hydroxyapatite-chitosan coatings".  United States.  https://doi.org/10.1016/j.matchar.2006.05.011.

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@article{osti_21003548,

  title        = {Electrophoretic deposition of composite hydroxyapatite-chitosan coatings},

  author       = {Xin, Pang and Zhitomirsky, Igor},

  abstractNote = {Cathodic electrophoretic deposition has been utilized for the fabrication of composite hydroxyapatite-chitosan coatings on 316L stainless steel substrates. The addition of chitosan to the hydroxyapatite suspensions promoted the electrophoretic deposition of the hydroxyapatite nanoparticles and resulted in the formation of composite coatings. The obtained coatings were investigated by X-ray diffraction, thermogravimetric and differential thermal analysis, scanning and transmission electron microscopy, potentiodynamic polarization measurements, and electrochemical impedance spectroscopy. It was shown that the deposit composition can be changed by a variation of the chitosan or hydroxyapatite concentration in the solutions. Experimental conditions were developed for the fabrication of hydroxyapatite-chitosan nanocomposites containing 40.9-89.8 wt.% hydroxyapatite. The method enabled the formation of adherent and uniform coatings of thicknesses up to 60 {mu}m. X-ray studies revealed that the preferred orientation of the hydroxyapatite nanoparticles in the chitosan matrix increases with decreasing hydroxyapatite content in the composite coatings. The obtained coatings provided the corrosion protection for the 316L stainless steel substrates00.},

  doi          = {10.1016/j.matchar.2006.05.011},

  url          = {https://www.osti.gov/biblio/21003548},
  journal      = {Materials Characterization},

  issn         = {1044-5803},

  number       = 4,

  volume       = 58,

  place        = {United States},

  year         = {Sun Apr 15 00:00:00 EDT 2007},

  month        = {Sun Apr 15 00:00:00 EDT 2007}

}

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