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由英国标准学会 GB-BSI 发布于 2004-11-22,并于 2004-11-22 实施。
BS ISO 17081-2004 在中国标准分类中归属于: H04 基础标准与通用方法,在国际标准分类中归属于: 77.060 金属的腐蚀。
BS ISO 17081-2004 由 BS 7886-1997 变更而来。
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