在海水和其它含氯环境中,普通不锈钢破坏的主要原因是产生缝隙腐蚀,因此发展了几类耐蚀性好的特殊钢种。现发展了一种新技木,即:采用一种数字模式,与实验极化研究相结合就可以用来预测缝隙腐蚀抗力。本文对该技术作一介绍,并以许多海水中应用的标准及非标准合金为例,说明这一技术的实际应用。 In sea water and other chlorine-containing environments, the main cause of the failure of ordinary stainless steel is the crevice corrosion which has led to the development of several special steel grades with good corrosion resistance. A new technique is being developed that uses a numerical model that, in combination with experimental polarization studies, can be used to predict crevice corrosion resistance. This paper presents an introduction to this technique and illustrates the practical application of this technique with many standard and non-standard alloys used in seawater.