A day in the life of the corrosion laboratory of Cepel is a dynamic experience with interdisciplinary activities involving several pieces of equipment, materials and analytical techniques aimed at understanding and preventing the effects of corrosion in assets of the Brazilian electric sector. This article presents highlighted activated of the day to life in the laboratory including surface and sample preparation, organic coatings, electrochemical techniques, accelerated corrosion tests, corrosivity of atmosphere and determination of corrosion rate, soil corrosion and quality control of galvanized steel.
References
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Knudsen, O.Ø. and Forsgren, A. (2017) Corrosion Control through Organic Coatings. 2nd Edition, CRC Press.
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[7]
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[9]
ASTM (2011) Standard Practice for Operating Salt Spray (Fog) Apparatus. B117.
[10]
ASTM (2012) Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials. G154.
[11]
ASTM (2002) Standard Practice for Conducting Moist SO2 Tests. G87.
[12]
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[13]
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[14]
ISO (2012) Corrosion of Metals and Alloys—Corrosivity of Atmospheres—Determination of Corrosion Rate of Standard Specimens for the Evaluation of Corrosivity. 9226.
[15]
ASTM (2020) Standard Test Method for Measurement of Soil Resistivity Using the Wenner Four-Electrode Method. G57.
[16]
Bendinelli, E.V., Nunes, F.G. and Ordine, A.P. (2020) Anticorrosive Properties of Hot-Dip Galvanized Weathering Steel in Atmospheric Exposure. Materials Sciences and Applications, 11, 611-625. https://doi.org/10.4236/msa.2020.119041
[17]
ISO (2016) Non-Magnetic Coatings on Magnetic Substrates—Measurement of Coating Thickness—Magnetic Method. 2178.
[18]
ISO (2020) Metallic Coatings—Hot Dip Galvanized Coatings on Ferrous Materials—Gravimetric Determination of the Mass Per Unit Area. 1460.
[19]
ISO (2022) Hot Dip Galvanized Coatings on Fabricated Iron and Steel Articles—Specifications and Test Methods. 1461.
[20]
ASTM (2021) Standard Practice for Locating the Thinnest Spot in a Zinc (Galvanized) Coating on Iron or Steel Articles. A239.
