1、ICS 77.060 Ref. No. ISO 17475:2005/Cor.1:2006(E) ISO 2006 All rights reserved Published in Switzerland INTERNATIONAL STANDARD ISO 17475:2005 TECHNICAL CORRIGENDUM 1 Published 2006-05-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATIONCorrosion of metals and
2、 alloys Electrochemical test methods Guidelines for conducting potentiostatic and potentiodynamic polarization measurements TECHNICAL CORRIGENDUM 1 Corrosion des mtaux et alliages Mthodes dessais lectrochimiques Lignes directrices pour la ralisation de mesures de polarisations potentiostatique et po
3、tentiodynamique RECTIFICATIF TECHNIQUE 1 Technical Corrigendum 1 to ISO 17475:2005 was prepared by Technical Committee ISO/TC 156, Corrosion of Metals and alloys. Page 2 Replace Figure 1 with the following figure. ISO 17475:2005/Cor.1:2006(E) 2 ISO 2006 All rights reserveda) Corrosion rate is under
4、diffusion control b) Example by diffusion of oxygen in water Key X potential Y log current density 1 cathodic 2 anodic E corcorrosion potential i corcorrosion current density E rreversible electrode potential i oexchange current density i dlimiting diffusion current density, which corresponds to the maximum diffusion rate of oxygen in the solution Figure 1 Schematic anotic and cathodic polarization curves for metals corroding in a system where the cathodic reaction is reduction of protons
