Abstract
Electrochemical potentials and exchange currents have been measured before and in the course of mechanical deformation of copper in aqueous electrolytes containingEDTA as a strong complexing agent. Under stationary conditions the potentials depend on the preparation of the copper surface, on the presence of oxygen and on the composition of the electrolyte. In electrolytes of understoichiometricEDTA-content the results are interpreted as follows: in the absence of oxygen the oxidic superstructures are partly dissolved with formation of Cu+ ions. These are oxidized to Cu2+ in the presence of oxygen via an autocatalytic mechanism. Mechanical deformation always results in potential changes towards negative values. The extent in potential shift as well as the relaxation behaviour depends both on the electrolyte composition and on the presence or absence of oxygen.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
Literatur
I. Mitt.:Linert W., Stiglbrunner K., Gutmann V., Monatsh. Chem.115, 905 (1984).
Suzuki Y., Hisamatu Y., Corr. Sci.21, 353 (1981).
Bursle A. J.,Pugh E. N., Environment-Sensitive Fracture of Engineering Materials, S. 18. Conf. Proc., Chicago, Ill. (1977).
Gerischer H., Werkstoffe und Korrosion1957, 394.
Otani M., Nippon kinzolu gakkai kaiho12, 233 (1973).
Harujama S., Asowa S., Corr. Sci.13, 395 (1973).
Gerischer H., Z. Elektrochem.61, 277 (1957).
Gerischer H., Rickert H., Z. Metallk.46, 681 (1955).
Pugh E. N., Summary of a Meeting held at Erda-Germantown (1976).
Devanathan M. A. V., Fernando M. J., Electrochim. Acta15, 1623 (1970); Electrochim. Acta15, 1637 (1970).
Foroulis Z. A., J. Electro. Chem. Soc.113, 533 (1966).
Simnad M. T., J. Elektrochem. Soc.97, 316 (1950).
Evans U. R., Einführung in die Korrosion der Metalle. Weinheim: Verlag Chemie. 1961.
Funk A. G., Thesis, University of Utha (1956).
Funk A. G., Giddings J. C., Christensen C. J., Eyring H., J. phys. Chem.61, 1179 (1957).
Funk A. G., Chakravarty D. N., Eyring H., Christensen C. J., Z. phys. Chem. N.F.15, 64 (1958).
Funk A. G., Giddings J. C., Christensen C. J., Eyring H., Proc. Natl. Acad. Sci.43, 421 (1957).
Hoar T. P., Podesta J. J., Rothwell G. P., Corr. Sci.11, 231 (1971).
Clarke M., Corr. Sci.10, 671 (1970).
Hurlen T., Ottesen G., Staurset A., Elektrochim. Acta23, 39 (1976).
Stewen W., Dissertation, Universität Dortmund. 1967.
Jenkins H. L., J. Electrochem. Soc.107, 371 (1960).
Schwarzenbach G., Flaschke H., Die komplexometrische Titration, 5. Aufl. Stuttgart: Enke. 1965.
Conway B. E., Bockris J. O'M., Electrochim. Acta3, 340 (1961).
Ruzic I., Electroanalytical Chem. and Interfacial Electrochem.52, 331 (1974).
Albaya H. C., Lorenz W. J., Z. phys. Chem. N.F.81, 294 (1972).
Bard A. J., Encyclopedia of Electrochemistry of the Elements, Bd. 2. New York: Marcel Dekker. 1974.
Gandehari M. H., Anderson T. M., Eyring H., Corrosion Science16, 123 (1976).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Linert, W., Woronow, V. & Gutmann, V. Mechano-elektrochemische Effekte, II. Monatsh Chem 116, 1263–1274 (1985). https://doi.org/10.1007/BF00811098
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00811098