On the electrochemical behaviour of V-N-8Cr weathering steel in simulated industrial atmosphere

2019 ◽  
Vol 55 (2) ◽  
pp. 159-170
Author(s):  
Yue Liu ◽  
Hong-Yan Wu ◽  
Lin-Xiu Du ◽  
R. D. K. Misra
Keyword(s):  
Electrochemical Behaviour ◽  
Weathering Steel ◽  
Industrial Atmosphere

Accelerated corrosion behavior of weathering steel Q345qDNH for bridge in industrial atmosphere

2021 ◽  
Vol 306 ◽  
pp. 124864
Author(s):  
Jun-dong Fu ◽  
Shui Wan ◽  
Ying Yang ◽  
Qiang Su ◽  
Wen-wen Han ◽  
...  
Keyword(s):  
Corrosion Behavior ◽  
Weathering Steel ◽  
Accelerated Corrosion ◽  
Industrial Atmosphere

Influence of a CuS04 Treatment on Atmospheric Steel Rust Formation a Mössbauer Spectroscopy Study

CORROSION ◽  
1982 ◽  
Vol 38 (4) ◽  
pp. 206-211 ◽  
Author(s):  
C. Saragovi-Badler ◽  
I. A. Maier ◽  
F. Labenski
Keyword(s):  
Copper Deposit ◽  
Steel Plates ◽  
Weathering Steel ◽  
Spectroscopy Study ◽  
Spectroscopy Analysis ◽  
Amorphous Substance ◽  
Significant Difference ◽  
Amorphous Compound ◽  
Industrial Atmosphere

Abstract Mössbauer spectroscopy has been used to analyze the rust layers formed on a weathering steel and a 1010 steel exposed for 10-1/2 months to an urban-industrial atmosphere. No significant difference was found comparing the rusts of both steels: they were composed by γ-FeOOH, superparamagnetic α-FeOOH, and an amorphous or gel-like compound. γ-FeOOH is more abundant in the internal rust layers, whereas the amount of α-FeOOH and the amorphous compound increase in the external rusts. Part of the samples received an initial copper deposit by immersion of the steel plates in a CuSO4 bath. Mössbauer spectroscopy analysis showed that the amorphous substance was no longer present in the rusts of those specimens; that is, the rusts of both steels were formed only by γ-FeOOH and α-FeOOH.

Corrosion Behavior of New Weathering Steel in the Environment Simulating Coastal Industrial Atmosphere

2012 ◽  
Vol 479-481 ◽  
pp. 322-326
Author(s):  
Wen Fang Cui ◽  
Chang Jing Shao ◽  
Chun Ming Liu
Keyword(s):  
Corrosion Behavior ◽  
Electrochemical Impedance ◽  
Stable Phase ◽  
Weathering Steel ◽  
Uniform Corrosion ◽  
Bainitic Steel ◽  
Low Carbon ◽  
Rust Layer ◽  
Electrochemical Impedance Spectra ◽  
Industrial Atmosphere

The corrosion behavior of low carbon bainitic steel with Cu-P alloying in the environment simulating coastal industrial atmosphere was investigated by using dry-wet cycling corrosion test. 09CuPCrNi steel and low carbon bainitic steel without Cu-P alloying were used as comparative steels. The corrosion kinetics and electrochemical impedance spectra of the steels were measured, respectively. The morphologies of rust layers were observed by SEM and the phase constitutes of the rust layers were analyzed by XRD. Low carbon bainitic steel with Cu-P alloying behaves the lowest corrosion rate and the highest resistance of rust layer. Bainite microstructure is responsible for the uniform corrosion and the formation of dense rust layer. Cu-P alloying accelerates the transformation of gamma-FeOOH and Fe3O4 to thermodynamic stable phase alpha-FeOOH, which improves the protective effect of the rust layer.

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