Corrosion resistance of tungsten and nickel in molten eutectic mixture LiF-NaF-KF
Institute of Inorganic Chemistry, Technology and Materials, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinského 9, SK-812 37, Bratislava, Slovakia
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Abstract: Corrosion resistance of tungsten and nickel in molten eutectic mixture LiF-NaF-KF was investigated by measurement of polarization resistance and chronopotentiometry. Results obtained by both methods were compared by digital simulation of diffusion of corrosion products. All measurements were carried out at the temperature of 680 °C in inert argon atmosphere and in oxidation air atmosphere. Surface of the metal samples after measurements was investigated by scanning electron microscope and X-ray microanalysis that was, together with X-ray diffraction analysis, used for the identification of corrosion products.
Keywords: corrosion of metals, chronopotentiometry, polarization resistance
Full paper in Portable Document Format: acs_0118.pdf
Acta Chimica Slovaca, Vol. 5, No. 2, 2012, pp. 121—125, DOI: 10.2478/v10188-012-0018-y