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Enhancing the localised corrosion resistance of 316L stainless steel via FBR-CVD chromising treatment
journal contribution
posted on 2018-01-01, 00:00 authored by Jianyu XiongJianyu Xiong, Gopinatha Manjaiah, Daniel FabijanicDaniel Fabijanic, Maria ForsythMaria Forsyth, Mike Yongjun TanMike Yongjun Tan© 2017 Institute of Materials, Minerals and Mining Published by Taylor & Francis on behalf of the Institute. The resistance of stainless steels to localised corrosion can be adversely affected by environmental and metallurgical heterogeneities existed in complex industrial infrastructures such as seawater desalination plants exposed to aggressive evnironments. It is therefore critical to enhance the localised corrosion resistance and understand the corrosion behaviour of stainless steels in complex and aggressive industrial environmental conditions. In this work, the localised corrosion resistance of chromised stainless steel 316L (SS316L) in simulated seawater desalination systems has been investigated by electrochemical and surface analytical techniques. It has been found that chromising processes have improved the localised corrosion resistance of SS316L by reducing its susceptibility to pitting, crevice, and welding zone corrosion in simulated seawater desalination environments. This increased corrosion resistance has been explained by electrochemical polarisation studies and surface analysis showing that the chromising treatment at 1050°C resulted in a continuous and stable chromium-enriched layer on the SS316L surface.
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Journal
Corrosion Engineering Science and TechnologyVolume
53Issue
2Pagination
114 - 121Publisher
Taylor & FrancisLocation
London, Eng.Publisher DOI
ISSN
1478-422XeISSN
1743-2782Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2017, Institute of Materials, Minerals and MiningUsage metrics
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