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dc.contributor.authorČíhal, Vladimír
dc.contributor.authorLasek, Stanislav
dc.contributor.authorBlahetová, Marie
dc.contributor.authorKalabisová, Eva
dc.contributor.authorKrhutová, Zdeňka
dc.identifier.citationChemical and Biochemical Engineering Quarterly. 2007, vol. 21, no. 1, p. 47-54.en
dc.description.abstractThis method designed to examine the susceptibility to nonuniform corrosion, ranks among the more successful technique developments. One of its numerous advantages is that it allows nondestructive, on-site examination. EPR measurements are used to establish the resistance of stainless steels and alloys to intergranular corrosion and stress corrosion cracking e.g. in nuclear engineering applications as well as to study grain boundary precipitation and other minute local changes in alloy composition and structure. By the EPR test, the specimen and/or the field object (working electrode) is tested in acid solutions, most often in solutions of sulfuric acid (c = 0.01–5 mol dm–3 H2SO4) and potassium thiocyanate (c = 0.001 to 0.1 mol dm–3 KSCN). The principle of the measurements is to reactivate the sample from the incomplete passivity region. This indicates local changes in chemical composition in relation to phase transformations.
dc.publisherCroatian Association of Chemical Engineersen
dc.relation.ispartofseriesChemical and Biochemical Engineering Quarterlyen
dc.subjectnonuniform corrosionen
dc.subjectintergranular corrosionen
dc.subjectstress corrosionen
dc.subjectEPR methoden
dc.titleTrends in the electrochemical polarization potentiodynamic reactivation method – EPRen
dc.identifier.locationNení ve fondu ÚKen

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