ISO 17081:2014
Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique
ISO 17081:2014 specifies a laboratory method for the measurement of hydrogen permeation and for the determination of hydrogen atom uptake and transport in metals, using an electrochemical technique. The term "metal" as used in ISO 17081:2014 includes alloys.
ISO 17081:2014 describes a method for evaluating hydrogen uptake in metals, based on measurement of steady-state hydrogen flux. It also describes a method for determining effective diffusivity of hydrogen atoms in a metal and for distinguishing reversible and irreversible trapping.
ISO 17081:2014 gives requirements for the preparation of specimens, control and monitoring of the environmental variables, test procedures and analysis of results.
ISO 17081:2014 may be applied, in principle, to all metals for which hydrogen permeation is measurable and the method can be used to rank the relative aggressivity of different environments in terms of the hydrogen uptake of the exposed metal.
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Section sec_1
Section sec_1.1
Section sec_1.2
Section sec_1.3
Section sec_1.4
Section sec_2
Section sec_3
Section sec_3.1
Section sec_3.2
Section sec_3.3
Section sec_3.4
Section sec_3.5
Section sec_3.6
Section sec_3.7
Section sec_3.8
Section sec_3.9
Section sec_3.10
Section sec_3.11
Section sec_3.12
Section sec_3.13
Section sec_3.14
Section sec_4
Table tab_1
Section sec_5
Section sec_5.1
Section sec_5.2
Section sec_5.3
Section sec_5.4
Section sec_5.5
Section sec_5.6
Section sec_5.7
Section sec_5.8
Section sec_5.9
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_6.2.1
Section sec_6.2.2
Section sec_6.2.3
Section sec_6.2.4
Section sec_6.2.5
Section sec_6.2.6
Section sec_6.2.7
Section sec_6.2.8
Section sec_6.2.9
Section sec_7
Table tab_a
Figure fig_1
Section sec_8
Section sec_8.1
Section sec_8.2
Section sec_8.3
Section sec_8.4
Section sec_8.5
Section sec_8.6
Section sec_8.7
Section sec_8.8
Section sec_8.9
Section sec_8.10
Section sec_8.11
Section sec_9
Section sec_9.1
Section sec_9.2
Section sec_9.3
Section sec_9.4
Section sec_9.5
Section sec_9.6
Section sec_9.7
Section sec_9.8
Section sec_9.9
Section sec_9.10
Section sec_9.11
Section sec_9.12
Section sec_9.13
Section sec_9.14
Section sec_9.15
Section sec_10
Section sec_10.1
Section sec_10.2
Section sec_10.3
Section sec_10.4
Section sec_10.5
Section sec_11
Section sec_11.1
Section sec_11.2
Section sec_11.3
Section sec_11.3.1
Section sec_11.3.2
Section sec_11.3.3
Table tab_2
Section sec_11.3.4
Section sec_11.3.5
Section sec_11.3.6
Table tab_b
Figure fig_2
Section sec_12
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Annex sec_A.2.1
Annex sec_A.2.2
Annex sec_A.2.3
Annex sec_A.3
Annex sec_A.4
Reference ref_1
Reference ref_2
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Samples
6.1 Dimensions
6.2 Preparation
7 Apparatus
8 Test environment considerations
9 Test procedure
10 Control and monitoring of test environment
11 Analysis of results
11.1 General
11.2 Analysis of steady-state current
11.3 Analysis of permeation transient
12 Test report
Annex A (informative) Recommended test environments for specific alloys
Bibliography
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Section sec_1
Section sec_1.1
Section sec_1.2
Section sec_1.3
Section sec_1.4
Section sec_2
Section sec_3
Section sec_3.1
Section sec_3.2
Section sec_3.3
Section sec_3.4
Section sec_3.5
Section sec_3.6
Section sec_3.7
Section sec_3.8
Section sec_3.9
Section sec_3.10
Section sec_3.11
Section sec_3.12
Section sec_3.13
Section sec_3.14
Section sec_4
Table tab_1
Section sec_5
Section sec_5.1
Section sec_5.2
Section sec_5.3
Section sec_5.4
Section sec_5.5
Section sec_5.6
Section sec_5.7
Section sec_5.8
Section sec_5.9
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_6.2.1
Section sec_6.2.2
Section sec_6.2.3
Section sec_6.2.4
Section sec_6.2.5
Section sec_6.2.6
Section sec_6.2.7
Section sec_6.2.8
Section sec_6.2.9
Section sec_7
Table tab_a
Figure fig_1
Section sec_8
Section sec_8.1
Section sec_8.2
Section sec_8.3
Section sec_8.4
Section sec_8.5
Section sec_8.6
Section sec_8.7
Section sec_8.8
Section sec_8.9
Section sec_8.10
Section sec_8.11
Section sec_9
Section sec_9.1
Section sec_9.2
Section sec_9.3
Section sec_9.4
Section sec_9.5
Section sec_9.6
Section sec_9.7
Section sec_9.8
Section sec_9.9
Section sec_9.10
Section sec_9.11
Section sec_9.12
Section sec_9.13
Section sec_9.14
Section sec_9.15
Section sec_10
Section sec_10.1
Section sec_10.2
Section sec_10.3
Section sec_10.4
Section sec_10.5
Section sec_11
Section sec_11.1
Section sec_11.2
Section sec_11.3
Section sec_11.3.1
Section sec_11.3.2
Section sec_11.3.3
Table tab_2
Section sec_11.3.4
Section sec_11.3.5
Section sec_11.3.6
Table tab_b
Figure fig_2
Section sec_12
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Annex sec_A.2.1
Annex sec_A.2.2
Annex sec_A.2.3
Annex sec_A.3
Annex sec_A.4
Reference ref_1
Reference ref_2
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Samples
6.1 Dimensions
6.2 Preparation
7 Apparatus
8 Test environment considerations
9 Test procedure
10 Control and monitoring of test environment
11 Analysis of results
11.1 General
11.2 Analysis of steady-state current
11.3 Analysis of permeation transient
12 Test report
Annex A (informative) Recommended test environments for specific alloys
Bibliography