期刊
ELECTROCHIMICA ACTA
卷 232, 期 -, 页码 456-464出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2017.02.081
关键词
Electrophoretic deposition; magnesium alloys; corrosion; chitosan; bioactive glass; coatings
资金
- German Research Foundation [DFG-BO/12-1, DFG VI 350/12-1]
- Ministry of Economy and Competitiveness of the State General Administration of Spain [MAT2015-71284-P]
Electrophoretic deposition of chitosan-bioactive glass (45S5 composition) composite coatings on magnesium alloy (WE43) substrates was investigated. Two types of substrates were considered, one was the bare, non-pre-treated substrate, while the other one had been treated in Dulbecco's Modified Eagle Medium (DMEM). The protective effect of the coatings (of similar to 2 mu m in thickness) against corrosion was tested using electrochemical impedance spectroscopy and the coatings' bioactive behaviour was determined in simulated body fluid. A tribo-mechanical characterization of the coatings was performed. Overall, results confirmed the importance of pre-treating the substrate to corrosion protective chitosanbioactive glass coatings on WE43 alloy. (C) 2017 Elsevier Ltd. All rights reserved.
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