Hydrothermal treatment and butylphosphonic acid derived self-assembled monolayers for improving the surface chemistry and corrosion resistance of AZ61 magnesium alloy

Chung Wei Yang, Cheng Liu, Da Jun Lin, Ming Long Yeh, Tzer Min Lee

研究成果: Article同行評審

13 引文 斯高帕斯(Scopus)

摘要

The hydrothermal treatment followed by a self-assembled monolayer (SAM) of 1-butylphosphonic acid through the tethering by aggregation and growth (T-BAG) method was employed to produce protective surface coatings on the Mg-6Al-1Zn alloy (AZ61) for reducing the degradation rate in physiological environments. Potentiodynamic polarization measurements revealed that the organic self-assembled monolayer and Mg(OH)2 coating can further enhance the surface chemical stability and corrosion resistance of Mg alloys. SAM-treated Mg(OH)2 coatings can be served as a more passive surface layer as a result of their much higher charge transfer resistance and the presence of Warburg impedance in electrochemical impedance spectroscopy measurement.

原文English
文章編號16910
期刊Scientific reports
7
發行號1
DOIs
出版狀態Published - 2017 12月 1

All Science Journal Classification (ASJC) codes

  • 多學科

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