BS ISO 17081:2004
氢渗透的测量方法和用电化学法测定金属中的氢吸收和迁移

Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique

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标准号

BS ISO 17081:2004

发布

2004年

发布单位

英国标准学会

当前最新

BS ISO 17081:2004

 

 

被代替标准

00/707177 DC:2000 BS 7886:1997

适用范围

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.

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