Development of models for the prediction of first-year corrosion losses of standard metals for territories with a coastal atmosphere in various climatic regions of the worldстатья
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Дата последнего поиска статьи во внешних источниках: 4 ноября 2020 г.
Аннотация:This paper presents various models (dose–response functions, DRFs) for predicting the first-year corrosion losses of structural metals for areas with marine and marine–urban (industrial) atmospheres. The prediction results for the first-year corrosion losses (C 1 pr) calculated by the DRF from the ISO 9223 standard and by the DRF developed by us are presented. A comparative assessment of the results is given. In this work, we used experimental data on the corrosion losses of carbon steel (CS), Zn, Cu, and Al over the first year of exposure (C 1 ex) at coastal test locations conducted within the MICAT project and the Russian programmes. The atmosphere corrosivity parameters necessary for the DRFs were considered for these locations. It was shown that the development of DRFs that provide the most reliable C 1 pr requires experimental data from one-year metal exposures with orientation of the samples in the direction facing the predominant sea wind directions.