BS ISO 17081:2004 Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique
This International Standard 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 this International Standard includes alloys.This International Standard 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.This International Standard gives requirements for the preparation of specimens, control and monitoring of the environmental variables, test procedures and analysis of results.This International Standard 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.
BS ISO 17081:2004 history
2014BS EN ISO 17081:2014 Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique
2004BS EN ISO 17081:2008 Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique
1997BS 7886:1997 Method of measurement of hydrogen permeation and the determination of hydrogen uptake and transport in metals by an electrochemical technique
BS ISO 17081:2004 Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique has been changed from BS 7886:1997 Method of measurement of hydrogen permeation and the determination of hydrogen uptake and transport in metals by an electrochemical technique.