Composite zinc-fly ash coating on mild steel

被引：12

作者：

Panagopoulos, C. N. ^{[1
]}

Georgiou, E. P. ^{[1
]}

Gavras, A. G. ^{[1
]}

机构：

[1] Natl Tech Univ Athens, Met Phys Lab, Athens 15780, Greece

来源：

SURFACE & COATINGS TECHNOLOGY | 2009年 / 204卷 / 1-2期

关键词：

Electroplating; Zinc; Corrosion; Pin-on-disk; Scratch test; SLIDING WEAR BEHAVIOR; CORROSION; ELECTRODEPOSITION;

D O I：

10.1016/j.surfcoat.2009.06.023

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Zinc-fly ash composite coatings were deposited on mild steel substrates with the help of electrodeposition technique. Metallographic and chemical characterization of the produced composite coatings was performed with the aid of Scanning Electron Microscopy (SEM) and Electron Dispersive X-ray Analysis (EDX). The corrosion behaviour of the composite coated mild steel substrate was studied in a 0.3 M NaCl solution (pH = 5.5) by means of anodic polarization curves. The wear of the zinc-fly ash coating was also investigated by using a pin-on-disk apparatus. The composite coating exhibited increased wear resistance, compared to the pure zinc coating and the mild steel substrate. The adhesion strength between the zinc-fly ash coating and the mild steel substrate was examined with a scratch testing apparatus. The adhesion strength between zinc-fly ash composite coating and the mild steel substrate was found to be higher than that of the pure zinc coating to mild steel. (C) 2009 Elsevier B.V. All rights reserved

引用

页码：37 / 41

页数：5

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