Publication: Effect of pressurized steam on AA1050 aluminium
Issued Date
2012-05-19
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ISSN
00035599
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2-s2.0-84860878623
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Mahidol University
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SCOPUS
Bibliographic Citation
Anti-Corrosion Methods and Materials. Vol.59, No.3 (2012), 103-109
Suggested Citation
M. Jariyaboon, P. M⊘ller, R. Ambat Effect of pressurized steam on AA1050 aluminium. Anti-Corrosion Methods and Materials. Vol.59, No.3 (2012), 103-109. doi:10.1108/00035591211224645 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/13917
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Title
Effect of pressurized steam on AA1050 aluminium
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Abstract
The purpose of this paper is to understand the effect of pressurized steam on surface changes, structures of intermetallic particles and corrosion behavior of AA1050 aluminium. Industrially pure aluminium (AA1050, 99.5 per cent) surfaces were exposed to pressurized steam produced from a commercial pressure cooker at the maximum temperature of 116oC for 10 min. Surface morphology was observed using SEMEDX and FIBSEM. Phase identification and compositional depth profiling were investigated using XRD and GDOES, respectively. Potentiodynamic polarization measurements were used to study corrosion behavior. A 590 nm boehmite oxide layer was generated on AA1050 associated with partially dissolved and/or fallen off Fecontaining intermetallic particles after exposure to pressurized steam. A significant reduction (25 times) in anodic and cathodic reactivities was observed due to the formation of the compact oxide layer. This paper reveals a detailed investigation of how pressurized steam can affect the corrosion behaviour of AA1050 aluminium and the structure of Fecontaining intermetallic particles. © 2012, Emerald Group Publishing Limited