Characterization of AISI 4340 corrosion products using Raman spectroscopy

Most of the currently available corrosion product characterization techniques require extensive samples preparation methods and cannot be employed under aqueous conditions. Raman spectroscopy possesses the advantage of characterization of the corrosion products under practical operation conditions,...

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Bibliographic Details
Published in:Corrosion science 2013-09, Vol.74, p.414-418
Main Authors: Hazan, E., Sadia, Y., Gelbstein, Y.
Format: Article
Language:English
Subjects:
A. Low alloy steel
Applied sciences
B. Raman spectroscopy
C. Atmospheric corrosion
C. High temperature corrosion
C. Oxidation
C. Rust
Corrosion
Corrosion environments
Corrosion products
Corrosion tests
Exact sciences and technology
High strength steels
Mathematical analysis
Metals. Metallurgy
Nickel chromium molybdenum steels
Oxides
Raman spectroscopy
Steels
Thickness ratio
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Summary:Most of the currently available corrosion product characterization techniques require extensive samples preparation methods and cannot be employed under aqueous conditions. Raman spectroscopy possesses the advantage of characterization of the corrosion products under practical operation conditions, including aqueous, without any sample preparation procedures. The present study examines the corrosion characteristics of AISI-4340 steel at aqueous and atmospheric environments using Raman spectroscopy. FeO, Fe2O3, and Fe3O4 were observed as the main corrosion products. The measured oxides thicknesses ratio were compared to the theoretic value obtained from Tammann equation.
ISSN:0010-938X
1879-0496
DOI:10.1016/j.corsci.2013.05.002