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Effect of Organic Zinc Coating Layers on Steel Corrosion Behaviour

Engku Norfatima, Engku Dahalan and Azizul Helmi, Sofian and Arman, Abdullah and Norhazilan, Md Noor and Abdul Halim Hadi, Che Mohammad Yahya (2016) Effect of Organic Zinc Coating Layers on Steel Corrosion Behaviour. Australian Journal of Basic and Applied Sciences, 10 (17 (Special)). pp. 40-47. ISSN 1991-8178

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Abstract

Throughout proper protection, preservation of metals in their pure form can be achieved. One of the possible methods is protection by organic zinc coating. This study was to compare the corrosion behaviour with different layers of coating between formulated organic zinc coating and commercialized spray. The pigment volume concentration (PVC) was diversified to 10, 20 and 30% with different layers of coating. The corrosion behaviour of coated sample was tested by using potentiostat. The results of polarization measurement show that the linear polarization resistance was significantly influencedby the pigment content and the layers of coating. The lowest corrosion rates for formulated organic zinc coating and commercialized spray were 0.00018 and 0.0062 mm/yr respectively, both from 5 layers of coating. 5 layers of coating give a better protection towards corrosion in corrosive environment.

Item Type: Article
Uncontrolled Keywords: Organic zinc coating, Corrosion behaviour, Layers, Pigment volume concentration, Potentiostat, Corrosion rates
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Noorul Farina Arifin
Date Deposited: 22 Jan 2018 01:46
Last Modified: 22 Jan 2018 01:46
URI: http://umpir.ump.edu.my/id/eprint/20264
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