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X-ray diffraction and Fourier transform-infrared analysis of the rust formed by corrosion of steel in aqueous solutions (CROSBI ID 183871)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Musić, Svetozar ; Gotić, Marijan ; Popović, Stanko X-ray diffraction and Fourier transform-infrared analysis of the rust formed by corrosion of steel in aqueous solutions // Journal of materials science, 28 (1993), 21; 5744-5752. doi: 10.1007/BF00365176

Podaci o odgovornosti

Musić, Svetozar ; Gotić, Marijan ; Popović, Stanko

engleski

X-ray diffraction and Fourier transform-infrared analysis of the rust formed by corrosion of steel in aqueous solutions

Chemical and structural properties of the rust formed by corrosion of steel in aqueous solutions were studied by X-ray diffraction and Fourier transform infrared (FT-IR) spectroscopy. The corrosion products of steel were generated in aqueous solutions of different electrolyte compositions at room temperature (20 °C) or in an autoclave at 120 °C. X-ray diffraction analysis showed the presence of different oxide phases in the rust, such as lepidocrocite, magnetite, ferrihydrite, goethite and haematite. In all samples, the presence of an amorphous fraction was detected. Ferrihydrite was detected only in the rust samples formed at 120 °C, The characteristic properties of the FT-IR spectrum of the ferrihydrite component in the rust were investigated. Phase compositions of the corrosion products depended on the formation temperature and the electrolyte composition of the aqueous solutions. The influence of chloride, nitrate or sulphate anions on the phase composition of the rust is discussed.

amorphous fraction ; electrolytes ; ferrihydrite ; Fourier transform infrared spectroscopy ; goethite ; haematite ; ions ; lepidocrocite ; magnetite ; phase compositions ; rust ; steel corrosion ; X ray diffraction analysis

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Podaci o izdanju

28 (21)

1993.

5744-5752

objavljeno

0022-2461

1573-4803

10.1007/BF00365176

Povezanost rada

Kemija

Poveznice
Indeksiranost