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Impedance Test Routines for Beverage Cans

Impedanzprüfroutinen für Getränkedosen

	4th International Symposium on Electrochemical Impedance Spectroscopy 1998. Proceedings Angra dos Reis, 1998 pp.195-197
	International Symposium on Electrochemical Impedance Spectroscopy <4, 1998, Angra dos Reis, Brazil>

	English
	Conference Paper
	Fraunhofer IVV ()
	beverage can; corrosion; Falzprüfung; Getränkedose; impedance; Impedanz; Korrosion; Lackierung; lacquer; Lochfraß; metal uptake; pitting; Prüfung; Schnelltest; seam; testing

Abstract
The corrosion situation in 2-piece beverage cans (steel, aluminium) has been described by the application of rapid impedance test routines and statistical evaluation of the results (summation frequency diagrams). Comparisons are made to actual metal uptakes (20 variants) to establish the predictive power of the rapid impedance test routines. The prediction of a pitting tendency of beverage cans seems possible by more advanced fitting and interpretation of full electrochemical impedance spectra.