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Electrochemical behaviour of iron and AISI 304 stainless steel in simulated acid rain solution, (CROSBI ID 251616)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Pilić, Zora ; Martinović, Ivana Electrochemical behaviour of iron and AISI 304 stainless steel in simulated acid rain solution, // International journal of materials research, 107 (2016), 10; 925-934. doi: doi.org/10.3139/146.111421

Podaci o odgovornosti

Pilić, Zora ; Martinović, Ivana

engleski

Electrochemical behaviour of iron and AISI 304 stainless steel in simulated acid rain solution,

The growth mechanism and properties of the oxide films on iron and AISI 304 stainless steel were studied in simulated acid rain (pH 4.5) by means of electrochemical techniques and atomic absorption spectrometry. The layer-pore resistance model was applied to explain a potentiodynamic formation of surface oxides. It was found that the growth of the oxide film on iron takes place by the low-field migration mechanism, while that on the stainless steel takes place by the high-field mechanism. Kinetic parameters were determined. Impedance measurements revealed that Fe surface film has no protective properties at the open circuit potential, while the resistance of stainless steel oxide film is very high. The concentration of the metallic ions released into solution and measured by atomic absorption spectroscopy was in accordance with the results obtained from the electrochemical techniques.

AISI 304 stainless steel, iron, oxide films, acid rain, electrochemical techniques

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Podaci o izdanju

107 (10)

2016.

925-934

objavljeno

1862-5282

2195-8556

doi.org/10.3139/146.111421

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