Effect of the physiological stabilization process on the corrosion behaviour and surface biocompatibility of AZ91D magnesium alloy

Juncen Zhou; Xiaozheng Zhang; Qing Li; Yan Liu; Funan Chen; Longqin Li

doi:10.1039/C3TB20960A

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Effect of the physiological stabilization process on the corrosion behaviour and surface biocompatibility of AZ91D magnesium alloy

Juncen Zhou,^a Xiaozheng Zhang,^b Qing Li,*^a Yan Liu,^b Funan Chen^a and Longqin Li^a

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* Corresponding authors

^a School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
E-mail: liqingswu@163.com

^b School of Life Science & College of Biotechnology, Southwest University, Chongqing 400715, China

Abstract

A promising pretreatment method for reducing the electrochemical activity of the magnesium alloy matrix beneath coatings is reported. The physiological stabilization process takes advantage of the localized micro-galvanic corrosion for transforming regions with high activity into a physiological stabilization layer, which can be converted into a protective coating by hydrothermal treatment. Electrochemical and immersion tests revealed that the corrosion resistance of treated AZ91D magnesium alloy was improved. In the cell viability test, the physiological stabilization-hydrothermal samples showed good cell viability for human embryonic kidney (HEK) 293 cells.

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DOI: https://doi.org/10.1039/C3TB20960A
Article type: Paper
Submitted: 09 Jul 2013
Accepted: 16 Sep 2013
First published: 17 Sep 2013

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J. Mater. Chem. B, 2013,1, 6213-6224

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Effect of the physiological stabilization process on the corrosion behaviour and surface biocompatibility of AZ91D magnesium alloy

J. Zhou, X. Zhang, Q. Li, Y. Liu, F. Chen and L. Li, J. Mater. Chem. B, 2013, 1, 6213 DOI: 10.1039/C3TB20960A

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Journal of Materials Chemistry B

Effect of the physiological stabilization process on the corrosion behaviour and surface biocompatibility of AZ91D magnesium alloy

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Effect of the physiological stabilization process on the corrosion behaviour and surface biocompatibility of AZ91D magnesium alloy

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