Corrosion of metals and alloys. Electrochemical test methods. Guidelines for conducting potentiostatic and potentiodynamic polarization measurements (ISO 17475:2005/Cor 1:2006)
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ISO 17475:2005 applies to corrosion of metals and alloys, and describes the procedure for conducting potentiostatic and potentiodynamic polarization measurements. The test method can be used to characterise the electrochemical kinetics of anodic and cathodic reactions, the onset of localised corrosion and the repassivation behaviour of a metal.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus
4.1 Potentiostat
4.2 Electrode potential-measuring instruments
4.3 Current-measuring instruments
4.4 Test cell
4.5 Electrode holder
4.6 Electrode material
4.7 Reference electrode
4.8 Specimen preparation
4.9 Auxiliary electrode preparation
4.10 Solution preparation
5 Procedure
5.6 Flushed port cell
6 Test report
Annex A Method of preventing a crevice attack for certain applications (informative)
Annex B Potential of selected reference electrodes at 25 °C with respect to the standard hydrogen electrode (SHE) (informative)
ISO 11463:1995 Corrosion of metals and alloys -- Evaluation of pitting corrosion
ISO 11846:1995 Corrosion of metals and alloys -- Determination of resistance to intergranular corrosion of solution heat-treatable aluminium alloys
ISO 8044:1999 Corrosion of metals and alloys -- Basic terms and definitions
ISO 11463:1995 Corrosion of metals and alloys -- Evaluation of pitting corrosion
ISO 11846:1995 Corrosion of metals and alloys -- Determination of resistance to intergranular corrosion of solution heat-treatable aluminium alloys
ISO 8044:1999 Corrosion of metals and alloys -- Basic terms and definitions
ISO 8407:1991 Corrosion of metals and alloys -- Removal of corrosion products from corrosion test specimens
ISO 9400:1990 Nickel-based alloys -- Determination of resistance to intergranular corrosion