Vishalanand, J. and Prasannakumar, T.S. and Mukherjee, D.
(1999)
Metallic corrosion and its control using surface modification techniques.
Bulletin of Electrochemistry , 15 (3-4).
pp. 148-151.
ISSN 0256-1654
Abstract
Metallic corrosion is a very common, but serious problem, which is causin~ considerable revenue loss throu~out the whole world. Mitigation of corrosion requires the application of various engineering techniques and scientific knowledge on the roll of the alloying elements in the reduction ofcorrosion losses and application of the film fomling inhibitors are well known. probe inside the electrocehmical nature of the metallic substrates has also resulted in the understanding of the mechanism of passivity. However, in the regime of engineering techniques mention may be made for processes like elech"'Oplatin~ sprayin~ galvanising and anodising along with those of anodic and cathodic protection methods. These techniques, processes and methods are widely used by the corrosion engineers for reducing the corrosion losses of metallic surfaces. Nevertheless, use of surface modification techniques for the improvement of surface perfomlance appears to he the most promising techni<lue for corrosion control. This technique provides a stronger and more reliable surface alloy layer to be formed on the surface, having a lower level of porosities and higher level of corrosion resistance. This paper has discussed all these aspects, with particular reference to surt'ace modification. Some experimental results have heen correlated showing the interrelation of the type of surface modification with tlie indicator propel1ies like leo", Ee.,..... mass loss, oxidation rating etc.
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