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Study on Methods of Enhancement and Measurement of Corrosion Resistance for Subsea Equipment made of Aluminum  

Seo, Youngkyun (Offshore Equipment Research Center, KRISO)
Jung, Jung-Yeul (Marine Safety and Environmental Research Department, KRISO)
Publication Information
Plant Journal / v.16, no.3, 2020 , pp. 47-52 More about this Journal
Abstract
This study investigated the methodologies to enhance the corrosion resistance and the ways to measure for subsea equipment made of aluminum. The methodologies for the anticorrosion were cathodic protection, conversion coating, anodizing and organic coating. The simply analyzed ways to measure the corrosion resistance were Scanning Electron Microscope (SEM), Electrochemical Impedance Spectroscopy (EIS), Glow discharge optical emission spectrum spectroscopy (GD-OES), Fourier Transform Infrared Spectroscopy (FT-IR), Transmission Electron Microscopy (TEM), X-ray Photoelectron Spectroscopy (XPS), Scanning Vibrating Electrode Technique (SVET), contact angle and interfacial tension. The most widely used tools for increasing the corrosion resistance were the anodizing and the organic coating. Many ways were evenly used to measure corrosion. The methods more frequently utilized were SEM for the surface investigation and the contact angle to evaluate the corrosion resistance.
Keywords
Aluminum; Corrosion; Anodizing;
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