CEN EN ISO 17081:2008
用电化学技术测量氢渗透和测定金属中氢吸收和传输的方法

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

作废

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标准号

CEN EN ISO 17081:2008

发布

2008年

发布单位

欧洲标准化委员会

当前最新

CEN EN ISO 17081:2008

 

 

适用范围

1.1 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. 1.2 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. 1.3 This International Standard gives requirements for the preparation of specimens, control and monitoring of the environmental variables, test procedures and analysis of results. 1.4 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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