Studiul protecţiei anodice aplicate la metale şi aliaje de interes industrial

Abstract

Using potentiostatic polarization technique were studied the anodic protection of carbon steel in Kraft solution (paper industry), of AISI304 stainless steel in 10% HCl and 10N H2SO4+10-5M NaCI and of aluminium in 0.2% NaOH. Applying anodic protection the carbon steel corrosion rate was diminished by 40 times in Kraft solution; for AISI304 stainless steel it resulted a reduction of corrosion rate by 20 times in 10% HCl and by 60 times in 10N H2SO4+10-5M NaCl. The aluminium corrosion decreased by 6 times in anodic protection conditions applied in 0.2% NaOH.