Accelerated growth of oxide film on aluminium alloys under steam: Part II: Effects of alloy chemistry and steam vapour pressure on corrosion and adhesion performance

被引：24

作者：

Din, Rameez Ud ^{[1
]}

Bordo, Kirill ^{[1
]}

Jellesen, Morten S. ^{[1
]}

Ambat, Rajan ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Mech Engn, DK-2800 Lyngby, Denmark

来源：

SURFACE & COATINGS TECHNOLOGY | 2015年 / 276卷

关键词：

Steam; Vapour pressure; Aluminium alloys; Corrosion; Acetic acid salt spray; Filiform corrosion; CONVERSION COATINGS; POLYMER-COATINGS; SURFACE; SPECTROSCOPY; BEHAVIOR; LAYERS; XPS; MORPHOLOGY; STRENGTH;

D O I：

10.1016/j.surfcoat.2015.06.060

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The steam treatment of aluminium alloys with varying vapour pressure of steam resulted in the growth of aluminium oxyhydroxide films of thickness range between 450 and 825 nm. The surface composition, corrosion resistance, and adhesion of the produced films were characterised by XPS, potentiodynamic polarisation, acetic acid salt spray, filiform corrosion test, and tape test. The oxide films formed by steam treatment showed good corrosion resistance in NaCl solution by significantly reducing anodic and cathodic activities. The pitting potential of the surface treated with steam was a function of the vapour pressure of the steam. The accelerated corrosion and adhesion tests on steam generated oxide films with commercial powder coating verified that the performance of the oxide coating is highly dependent on the vapour pressure of the steam. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：106 / 115

页数：10

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