Long-term corrosion behaviour of stainless steels in marine atmosphere

被引：18
|
作者：
Burkert, A. [1 ]
Mueller, T. [1 ]
Lehmann, J. [1 ]
Mietz, J. [1 ]
机构：
[1] Bundesanstalt Mat Forsch & Prufung BAM, Unter Eichen 87, D-12205 Berlin, Germany
来源：
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2018年 / 69卷 / 01期
关键词：
corrosion; free weathering; marine atmosphere; stainless steels;
D O I：
10.1002/maco.201709636
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nine different stainless steel alloys were exposed for 5 years under marine environment and their corrosion behaviour was compared and assessed. The investigation of four different surface finishes for all alloys tested further enabled to consider industry-specific features of the surface finish for the material comparison. The results of the exposure tests yield conclusions regarding the influence of alloy composition, surface finish and exposure duration under marine environment. The three duplex stainless steels revealed excellent corrosion resistance even in case of crevices during the 5 years of exposure under the given exposure conditions. Also the molybdenum-alloyed ferritic steel 1.4521 showed good corrosion resistance comparable to the classical austenitic materials 1.4301 and 1.4404.
引用
收藏
页码：20 / 28
页数：9
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