Study on the interface of PVDF coatings and HF-treated AZ31 magnesium alloy: Determination of interfacial interactions and reactions with self-healing properties

被引：20
|
作者：
da Conceicao, Thiago F. [1 ]
Scharnagl, N. [1 ,2 ,3 ]
Dietzel, W. [1 ]
Hoeche, D. [1 ]
Kainer, K. U. [1 ]
机构：
[1] Helmholtz Zentrum Geesthacht, Inst Mat Res, D-21502 Geesthacht, Germany
[2] Helmholtz Zentrum Geesthacht GmbH, Polymer Res Inst, Campus Teltow Ctr Biomat Dev, Ctr Biomat Dev, D-14513 Teltow, Germany
[3] Helmholtz Zentrum Geesthacht GmbH, Polymer Res Inst, Campus Teltow Ctr Biomat Dev, Berlin Brandenburg Ctr Regenerat Therapies BCRT, D-14513 Teltow, Germany
来源：
CORROSION SCIENCE | 2011年 / 53卷 / 02期
关键词：
Magnesium; EIS; Polymer coatings; CORROSION PROTECTION PROPERTIES; POLY(VINYLIDENE FLUORIDE); CRYSTALLIZATION; DEGRADATION; SURFACE;
D O I：
10.1016/j.corsci.2010.11.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper the interface of poly(vinylidene fluoride) coatings prepared by the dip coating method and HF-treated AZ31 magnesium alloy was evaluated. The best performance of this system in corrosion tests compared to ground, as-received and acetic acid cleaned substrates is related to an acid-base interaction at the interface and to interfacial reactions which resulted in a self-healing process. The protectiveness of the samples was investigated using impedance and immersion tests while the coating morphology and interface stability were investigated by scanning electron microscopy, X-ray photoelectron spectroscopy and adhesion tests. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：712 / 719
页数：8
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