ISO 15158:2014
Corrosion of metals and alloys — Method of measuring the pitting potential for stainless steels by potentiodynamic control in sodium chloride solution
ISO 15158:2014 describes the procedure for determining the pitting potential for stainless steels (austenitic, ferritic/austenitic, ferritic, martensitic stainless steel) under potentiodynamic control.
The principal advantage compared with other potentiostatic test methods is the rapidity of this test method, with which the pitting potential can be measured in a single potential scan.
The pitting potential as determined by ISO 15158:2014 can be used as a relative index of performance. For example, one can compare the relative performances for different lots of stainless-steel grades and products. The test described in ISO 15158:2014 is not intended to determine the pitting potential at which actual pitting can occur under real service conditions, or not.
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Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
Section sec_3.2
Section sec_3.3
Section sec_3.4
Section sec_3.4.1
Section sec_3.4.2
Section sec_3.4.3
Section sec_3.5
Section sec_3.5.1
Section sec_3.5.2
Section sec_3.5.3
Section sec_3.5.4
Section sec_3.5.5
Section sec_3.6
Section sec_3.7
Section sec_3.7.1
Section sec_3.7.2
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_5
Section sec_5.1
Section sec_5.1.1
Section sec_5.1.2
Section sec_5.2
Section sec_5.2.1
Section sec_5.2.2
Section sec_5.3
Section sec_5.3.1
Section sec_5.3.2
Section sec_5.4
Section sec_5.4.1
Section sec_5.4.2
Section sec_5.4.3
Section sec_5.4.4
Section sec_5.4.5
Section sec_5.5
Figure fig_1
Section sec_5.6
Section sec_5.6.1
Section sec_5.6.2
Section sec_5.6.3
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_7
Annex sec_A
Annex sec_A.1
Annex sec_A.1.1
Annex sec_A.1.2
Annex sec_A.1.3
Annex sec_A.1.4
Annex sec_A.1.5
Annex sec_A.1.6
Annex sec_A.1.7
Table tab_a
Figure fig_A.1
Annex sec_A.2
Annex sec_A.2.1
Annex sec_A.2.2
Annex sec_A.2.3
Annex sec_A.2.4
Annex sec_A.2.5
Table tab_b
Figure fig_A.2
Annex sec_A.3
Annex sec_A.3.1
Annex sec_A.3.2
Annex sec_A.3.3
Annex sec_A.3.4
Annex sec_A.3.5
Table tab_c
Figure fig_A.3
Annex sec_B
Annex sec_B.1
Table tab_B.1
Table tab_B.2
Annex sec_B.2
Figure fig_B.1
Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Foreword
Introduction
1 Scope
2 Principle
3 Apparatus
3.1 Potentiostat
3.2 Electrode potential-measuring instrument
3.3 Current-measuring instruments
3.4 Specimen holder
3.5 Test cell
3.6 Auxiliary electrode
3.7 Reference electrode
4 Specimens
5 Procedure
5.1 Preparation of reference electrodes
5.2 Preparation of specimen
5.3 Preparation of solution
5.4 Setting up test
5.5 Recording
5.6 Ending test
6 Statistical analysis of pitting potential data
7 Test report
Annex A (informative) Specimen holder
Annex B (informative) An example of statistical analysis of pitting potential data
Bibliography
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Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
Section sec_3.2
Section sec_3.3
Section sec_3.4
Section sec_3.4.1
Section sec_3.4.2
Section sec_3.4.3
Section sec_3.5
Section sec_3.5.1
Section sec_3.5.2
Section sec_3.5.3
Section sec_3.5.4
Section sec_3.5.5
Section sec_3.6
Section sec_3.7
Section sec_3.7.1
Section sec_3.7.2
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_5
Section sec_5.1
Section sec_5.1.1
Section sec_5.1.2
Section sec_5.2
Section sec_5.2.1
Section sec_5.2.2
Section sec_5.3
Section sec_5.3.1
Section sec_5.3.2
Section sec_5.4
Section sec_5.4.1
Section sec_5.4.2
Section sec_5.4.3
Section sec_5.4.4
Section sec_5.4.5
Section sec_5.5
Figure fig_1
Section sec_5.6
Section sec_5.6.1
Section sec_5.6.2
Section sec_5.6.3
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_7
Annex sec_A
Annex sec_A.1
Annex sec_A.1.1
Annex sec_A.1.2
Annex sec_A.1.3
Annex sec_A.1.4
Annex sec_A.1.5
Annex sec_A.1.6
Annex sec_A.1.7
Table tab_a
Figure fig_A.1
Annex sec_A.2
Annex sec_A.2.1
Annex sec_A.2.2
Annex sec_A.2.3
Annex sec_A.2.4
Annex sec_A.2.5
Table tab_b
Figure fig_A.2
Annex sec_A.3
Annex sec_A.3.1
Annex sec_A.3.2
Annex sec_A.3.3
Annex sec_A.3.4
Annex sec_A.3.5
Table tab_c
Figure fig_A.3
Annex sec_B
Annex sec_B.1
Table tab_B.1
Table tab_B.2
Annex sec_B.2
Figure fig_B.1
Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Foreword
Introduction
1 Scope
2 Principle
3 Apparatus
3.1 Potentiostat
3.2 Electrode potential-measuring instrument
3.3 Current-measuring instruments
3.4 Specimen holder
3.5 Test cell
3.6 Auxiliary electrode
3.7 Reference electrode
4 Specimens
5 Procedure
5.1 Preparation of reference electrodes
5.2 Preparation of specimen
5.3 Preparation of solution
5.4 Setting up test
5.5 Recording
5.6 Ending test
6 Statistical analysis of pitting potential data
7 Test report
Annex A (informative) Specimen holder
Annex B (informative) An example of statistical analysis of pitting potential data
Bibliography