Influence of the chemical composition, heat and surface treatment in the biofouling of austenitic stainless steels
Keywords:Austenitic stainless steel, surface treatment, polished electrolytic,
The main objective of this study was to analyse the biofouling processes in three kinds of stainless steels used normally in industry (UNS S30400, UNS S30403 and UNS S31600), with different surface treatments after grinding and polishing. The study was developed using two microscopy techniques. Scanning Electron Microscopy (SEM) was used to evaluate the microorganisms distribution in the materials, and Epifluorescence Microscopy was used to evaluate the viability of cells in the biofilm. The results revealed the influence of the material, heat treatment, surface treatment and roughness in the biofouling processes in the stainless steel assays.
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