The DOI matches its Crossref record.
The hot corrosion behaviour of HVOF sprayed MCrAlX coatings under Na2SO4 (+NaCl) salt films
Abstract
The hot corrosion behaviour of two NiCoCrAlYTa and CoCrAlYSi HVOF sprayed coatings and a CoCrAlY VPS coating were investigated under laboratory conditions at 900°C using a synthetic gas atmosphere containing sulphur as an impurity. All the coatings tested showed good protection under Na 2 SO 4 salt films. In the presence of NaCl in the Na 2 SO 4 salt films, the corrosion rates of low Al containing coatings increased considerably but the NiCoCrAlYTa coating with higher Al content still revealed good performance. It is suggested that NaCl in the salt film causes premature failure of the protective scale and reduces the incubation period of corrosion in the coatings of lower Al content. Furthermore, it seems that the finely dispersed Al rich oxide particles in the sprayed and heat‐treated HVOF coating microstructure do not lead to internal corrosion. The experimental investigations include short‐term corrosion kinetic measurements and SEM analyses.
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“Therefore, the introduction of NaCl in the molten salt can shorten the incubation period, thus stimulating the corrosion process [100].”
From A review on molten sulfate salts induced hot corrosion (2021) · cites this paper as [100]
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Research works printed but not linked: 12
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- 10.1007/BF03222661 · DOI
- 10.1080/10426919508935086 · DOI
- J. A. Sprague J. L. Cocking in: Proc. Conf. Advances in High Temperature Structural Materials and Protective Coatings A Publication from National Research Council of Canada Ottawa Canada 1994 10.
- 10.1179/mst.1989.5.8.816 · DOI
- 10.1179/mst.1989.5.8.754 · DOI
- 10.1016/S0257-8972(98)00630-6 · DOI
- 10.1016/S0257-8972(98)00613-6 · DOI
- 10.1115/1.483173 · DOI
- 10.1016/S0257-8972(99)00332-1 · DOI
- 10.1149/1.2133126 · DOI
- 10.1149/1.2131463 · DOI · Paper page
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A review on molten sulfate salts induced hot corrosion
Hu, S., Finklea, H., & Liu, X. (2021) · Journal of Materials Science & Technology · doi:10.1016/j.jmst.2021.03.013 · Cited by 183
Metadata
- Authors
- Pahlavanyali, S., Sabour, A., & Hirbod, M.
- Affiliations
- Tarbiat Modares University (IR)
- Venue
- Materials and Corrosion
- Publisher
- Wiley
- Published
- 2003-09
- Volume
- 54
- Issue
- 9
- Pages
- 687-693
- ISSN
- 0043-2822 (ISSN-L)
- 0947-5117
- 1521-4176
- OpenAlex
- W2021693585
- Cited by
- 20
- References
- 0
- Citations by year
- 2024: 1 · 2023: 1 · 2021: 1 · 2020: 1 · 2019: 2 · 2016: 1 · 2015: 3 · 2014: 3 · 2012: 1
- FWCI
- 0.75
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Materials and Corrosion (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Surfaces, Coatings and Films › High-Temperature Coating Behaviors
- Physical Sciences › Engineering › Mechanical Engineering › Surface Treatment and Coatings
- Physical Sciences › Engineering › Mechanical Engineering › Intermetallics and Advanced Alloy Properties
- Keywords
- hot corrosion, sodium chloride, sulfur impurities, protective scale, aluminum content, corrosion kinetics, internal corrosion, oxide particles, heat treatment, high-temperature corrosion
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