Demonstration of epoxy/carbon steel interfacial delamination behavior: Electrochemical impedance and X-ray spectroscopic analyses

被引：40

作者：

Ghaffari, Mehdi ^{[1
]}

Saeb, Mohammad Reza ^{[2
]}

Ramezanzadeh, B. ^{[3
]}

Taheri, Peyman ^{[4
]}

机构：

[1] Golestan Univ, Polymer Grp, Gorgan, Golestan, Iran

[2] Inst Color Sci & Technol, Dept Resins & Addit, Tehran, Iran

[3] Inst Color Sci & Technol, Dept Surface Coatings & Corros, Tehran, Iran

[4] Univ Calif Berkeley, Elect Engn & Comp Sci, Berkeley, CA 94720 USA

来源：

CORROSION SCIENCE | 2016年 / 102卷

关键词：

Organic coatings; XPS; EIS; Interfaces; CORROSION PROTECTION; CATHODIC DELAMINATION; EPOXY-RESIN; CARBOXYLIC POLYMERS; BONDING MECHANISMS; COATED STEEL; IN-SITU; ADHESION; ACID; ALUMINUM;

D O I：

10.1016/j.corsci.2015.10.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, we introduce an efficient methodology to assess the delamination mechanism of epoxy coating from steel substrate combining spectroscopic and analytical techniques. To reflect the competence of this approach, different samples were prepared by applying epoxy/polyaminoamide layers on untreated, acid and alkaline pretreated substrates. The results obtained from XPS and energy dispersive X-ray analyses describe delamination of the coatings on differently pretreated surfaces during the pull-off-test. EIS measurements demonstrated that acid treatment improves the resistance against cathodic delamination, while XPS analysis provided useful data about coating delamination from the substrate. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：326 / 337

页数：12

共 66 条

[1] The corrosion inhibitive properties of various kinds of potassium zinc phosphate pigments: Solution phase and coating phase studies [J].