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Pore blocking characteristics of corrosion products formed on Aluminum coating produced by arc thermal metal spray process in 3.5 wt.% NaCl solution
- Issue Date
- Jun-2016
- Publisher
- Elsevier BV
- Keywords
- Aluminum; Steel; Corrosion; Electrochemical impedance spectroscopy; Raman spectroscopy; Scanning Electron Microscopy; X-ray diffraction
- Citation
- Construction and Building Materials, v.113, pp.905 - 916
- Indexed
- SCIE
SCOPUS
- Journal Title
- Construction and Building Materials
- Volume
- 113
- Start Page
- 905
- End Page
- 916
- ISSN
- 0950-0618
- Abstract
- Arc thermal metal spray coating is very efficient process to protect the steel from corrosion in industrial, humid and saline/coastal environments. This paper incorporates the experimental results for the performance of Aluminum coating deposited on mild steel substrate by arc thermal metal spray. Different electrochemical techniques, FE-SEM, Raman spectroscopy and XRD were used to assess the performance of deposited coating. Electrochemical studies revealed the enhanced corrosion resistance properties of coating in 3.5 wt.% NaCl solution. The formation of cx-Al(OH)(3) on coating substrate during exposure periods block the pores of coating and impede the penetration of corrosive species to react with substrate. (C) 2016 Elsevier Ltd. All rights reserved.
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Related Researcher
- Lee, Han Seung
- ERICA 공학대학 (MAJOR IN ARCHITECTURAL ENGINEERING)