Self-healing plasma electrolytic oxidation coatings doped with benzotriazole loaded halloysite nanotubes on AM50 magnesium alloy

被引：185

作者：

Sun, M. ^{[1
]}

Yerokhin, A. ^{[2
,3
]}

Bychkova, M. Ya. ^{[3
]}

Shtansky, D. V. ^{[3
]}

Levashov, E. A. ^{[3
]}

Matthews, A. ^{[2
]}

机构：

[1] Univ Sheffield, Sir Robert Hadfield Bldg,Mappin St, Sheffield S1 3JD, S Yorkshire, England

[2] Univ Manchester, Oxford Rd, Manchester M13 9PL, Lancs, England

[3] Natl Univ Sci & Technol MISiS, Leninsky Prospect 4, Moscow 119049, Russia

来源：

CORROSION SCIENCE | 2016年 / 111卷

基金：

欧洲研究理事会;

关键词：

Magnesium; EIS; Polarisation; Oxide coatings; Atmospheric corrosion; Pitting corrosion; CORROSION BEHAVIOR; COMPOSITE COATINGS; CERAMIC COATINGS; PEO COATINGS; CURRENT-MODE; MG; NACL; MICROSTRUCTURE; PROTECTION; RESISTANCE;

D O I：

10.1016/j.corsci.2016.06.016

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

Halloysite nanotubes (HNT) and benzotriazole (BTA) loaded HNT were added to a silicate-based electrolyte to produce PEO coatings on AM50 alloy. The coatings were characterised by SEM, EDX and XRD methods. Corrosion behaviour in 3.5 wt.% NaCl was studied by EIS and PDP scans. The HNT increased coating scratch resistance greater than BTA-HNT, although the latter enhanced corrosion resistance due to a self-healing effect. This was triggered by a dense Mg(OH)(2) film being formed on corrosion sites following partial coating degradation, preventing pitting corrosion. The single-step process for producing self-healing PEO coatings has good potential in corrosion protection of Mg. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：753 / 769

页数：17

共 54 条

[1]

Abdullayev E., 2008, POLYM MAT SCI ENG, V99, P331

[2]

Self-Healing Coatings Based on Halloysite Clay Polymer Composites for Protection of Copper Alloys [J].

Abdullayev, Elshad ;

Abbasov, Vagif ;

Tursunbayeva, Asel ;

Portnov, Vasiliy ;

Ibrahimov, Hikmat ;

Mukhtarova, Gulbaniz ;

Lvov, Yuri .

ACS APPLIED MATERIALS & INTERFACES, 2013, 5 (10) :4464-4471

[3]

Clay nanotubes for corrosion inhibitor encapsulation: release control with end stoppers [J].

Abdullayev, Elshad ;

Lvov, Yuri .

JOURNAL OF MATERIALS CHEMISTRY, 2010, 20 (32) :6681-6687

[4]

Halloysite Tubes as Nanocontainers for Anticorrosion Coating with Benzotriazole [J].

Abdullayev, Elshad ;

Price, Ronald ;

Shchukin, Dmitry ;

Lvov, Yuri .

ACS APPLIED MATERIALS & INTERFACES, 2009, 1 (07) :1437-1443

[5]

Characterization of AC PEO coatings on magnesium alloys [J].

Arrabal, R. ;

Matykina, E. ;

Hashimoto, T. ;

Skeldon, P. ;

Thompson, G. E. .

SURFACE & COATINGS TECHNOLOGY, 2009, 203 (16) :2207-2220

[6]

Electrochemical behavior of Mg and some Mg alloys in aqueous solutions of different pH [J].

Badawy, Waheed A. ;

Hilal, Nadia H. ;

El-Rabiee, Mohmmed ;

Nady, H. .

ELECTROCHIMICA ACTA, 2010, 55 (06) :1880-1887

[7]

Microcapsules filled with reactive solutions for self-healing materials [J].

Blaiszik, B. J. ;

Caruso, M. M. ;

McIlroy, D. A. ;

Moore, J. S. ;

White, S. R. ;

Sottos, N. R. .

POLYMER, 2009, 50 (04) :990-997

[8]

Anodizing treatments for magnesium alloys and their effecton corrosion resistance in various environments [J].

Blawert, Carsten ;

Dietzel, Wolfgang ;

Ghali, Edward ;

Song, Guangling .

ADVANCED ENGINEERING MATERIALS, 2006, 8 (06) :511-533

[9]

Self-Healing Polymer Coatings Based on Crosslinked Metallosupramolecular Copolymers [J].

Bode, Stefan ;

Zedler, Linda ;

Schacher, Felix H. ;

Dietzek, Benjamin ;

Schmitt, Michael ;

Popp, Juergen ;

Hager, Martin D. ;

Schubert, Ulrich S. .

ADVANCED MATERIALS, 2013, 25 (11) :1634-1638

[10]

Corrosion of ultra-high-purity Mg in 3.5% NaCl solution saturated with Mg(OH)2 [J].

Cao, Fuyong ;

Shi, Zhiming ;

Hofstetter, Joelle ;

Uggowitzer, Peter J. ;

Song, Guangling ;

Liu, Ming ;

Atrens, Andrej .

CORROSION SCIENCE, 2013, 75 :78-99

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