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Preparation of Calcium Phosphate/Chitosan Membranes by Electrochemical Deposition Technique.
- Source :
- Materials & Manufacturing Processes; 2016, Vol. 31 Issue 1, p53-61, 9p
- Publication Year :
- 2016
-
Abstract
- In this paper, the electrochemical deposition was used to form calcium phosphate/chitosan (Ca-P/chitosan) membranes on the surface of AZ91D magnesium alloy coated with a microarc oxidization (MAO) membrane. The surface appearance, chemical compositions, and crystalline structures of the Ca-P/chitosan membranes were detected by using scanning electron microscope (SEM), X-ray diffractometer (XRD), and energy-dispersive spectroscopy (EDS). They showed that the surface morphology of the membranes had a remarkable modification after introducing chitosan to Ca-P membrane, and the binding force was distinctly increased between the metal substrate and the membrane. The composite membranes were composed of Tricalcium Phosphate (TCP), Dibasic Calcium Phosphate (DCP), and Hydroxyapatite (HAP). Immersion was tested in simulated body fluid (SBF) and the corrosion resistance of the membranes was evaluated by electrochemical measurements. Results exhibit the composite membranes have low corrosion rate and superior stability. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10426914
- Volume :
- 31
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Materials & Manufacturing Processes
- Publication Type :
- Academic Journal
- Accession number :
- 110338715
- Full Text :
- https://doi.org/10.1080/10426914.2015.1037920