Comparison of corrosion behaviour and passive film properties of 316L austenitic stainless steel in CO2 and N2 environments
Access Status
Authors
Date
2019Type
Metadata
Show full item recordCitation
Source Title
ISSN
Collection
Abstract
This study investigated the susceptibility to pitting corrosion of 316L in CO2and N2environments at temperatures from 30 to 80°C in 3 wt-% NaCl at pH 4. Results from cyclic polarisation technique confirm greater pitting susceptibility of 316L in the CO2environment. Electronic properties and composition of the passive film were identified by electrochemical impedance spectroscopy, Mott–Schottky, and X-ray photoelectron spectroscopy. Increasing temperature negatively affects the passive film stability, and its influences are amplified in the presence of CO2as compared to N2. In the CO2environment, the passive film becomes porous with the increasing temperature leading to higher defects (donor/acceptor densities).
Related items
Showing items related by title, author, creator and subject.
-
Abdulwahhab, Y.; Pojtanabuntoeng, Kod; Barifcani, Ahmed; Tade, Moses; Kinsella, B. (2016)© 2016 Australasian Corrosion Association. All rights reserved. In the production of oil and gas under anaerobic conditions at high temperature and partial pressure of CO2, the use of corrosion resistant alloys, such as ...
-
Mahmoud, H.; Tang, J.; Koleva, D.; Liu, J.; Yamauchi, Y.; Tade, Moses (2017)© Springer International Publishing AG 2017. The influence of highly nitrogen-doped mesoporous carbon spheres (NMCSs) (internal pore size of 5.4-16 nm) on the electrochemical response of low carbon steel (St37) in model ...
-
Salasi, Mobin; Stachowiak, Gwidon; Stachowiak, G.; Kilburn, M. (2013)The discrete depth characteristics of thin passive oxide films were investigated using high-resolution electron microprobe and nanoscale secondary ion mass spectrometry (NanoSIMS). A novel NanoSIMS method involving a Cs ...