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All Journal International Journal of Mechanical Engineering Technologies and Applications (MECHTA)
Sugeng Prayitno Budio
Professional Engineer Study Program, Brawijaya Universi-ty
Automotive Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Influence of Surface Roughness and Paint Coating on Corrosion Rate Dekrit H. Akbar; Purnami Purnami; Sugeng Prayitno Budio
International Journal of Mechanical Engineering Technologies and Applications Vol 1, No 1 (2020)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/mechta.2020.001.01.3

Abstract

The technology of paint and its application develop fast, driven by the increasing cost of energy, raw material and labors. In this study, paint was used as a corrosion inhibitor on the surface of API 5L while saltwater is used as the corrosive media. The coating was varied for three different cases, i.e. primary coating only, primary and color coating as well as primary, color and glossy coating. Meanwhile, surface roughness was varied for 0.6, 0.7 and 0.8 μm. It is concluded that surface roughness and coating influence the corrosion rate. Smoother the surface and more coating layers lower the corrosion rate. Based on the study on API 5L steel, the lowest corrosion rate was obtained at 0.6 μm with 3 paint coatings (primary, color paint and clear/gloss)
Co-Authors Dekrit H. Akbar Purnami Purnami