期刊
COATINGS
卷 10, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/coatings10080727
关键词
coatings; electrochemical deposition; doped hydroxyapatite; magnesium; electrochemical behavior
资金
- Operational Program Human Capital of the Ministry of European Funds [51668/09.07.2019, 124705]
- Romanian Ministry of Research and Innovation, CCCDI-UEFISCDI [68/2018, 18N/2019]
- PROINSTITUTIO Project [19PFE/17.10.2018]
The aim of this study was to adapt the electrochemical behavior in synthetic body fluid (SBF) of hydroxyapatite-based coatings obtained by pulsed galvanostatic electrochemical deposition through addition of Mg in different concentrations. The coatings were obtained by electrochemical deposition in a typical three electrodes electrochemical cell in galvanic pulsed mode. The electrolyte was obtained by subsequently dissolving Ca(NO3)(2)center dot 4H(2)O, NH4H2PO4, and Mg(NO3)(2)center dot 6H(2)O in ultra-pure water and the pH value was set to 5. The morphology consists of elongated and thin ribbon-like crystals for hydroxyapatite (HAp), which after the addition of Mg became a little wider. The elemental and phase composition evidenced that HAp was successfully doped with Mg through pulsed galvanostatic electrochemical deposition. The characteristics and properties of hydroxyapatite obtained electrochemically can be controlled by adding Mg in different concentrations, thus being able to obtain materials with different properties and characteristics. In addition, the addition of Mg can lead to the control of hydroxyapatite bioactive ceramics in terms of dissolution rate.
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