Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Study of zinc passivation in chromium(VI)-containing electrolytes with short-term impedance measurements
AU - Mertens, S.F.L.
AU - Temmerman, E.
PY - 2001
Y1 - 2001
N2 - The development of a passivating layer on zinc in an acidic chromium(VI)-containing solution is studied by measuring electrical impedance. After examining the passivated electrode in its stationary state, a method is derived to study the pre-stationary state (having, by definition, time-dependent properties). Three hypotheses concerning the layer development are introduced, and their possible relevance is examined by comparison with experimental proof or known literature data. With one of these hypotheses, accordance with all available data is obtained, thus identifying this model as possibly valid. Based upon this model, some further growth characteristics of the passivating layer are derived.
AB - The development of a passivating layer on zinc in an acidic chromium(VI)-containing solution is studied by measuring electrical impedance. After examining the passivated electrode in its stationary state, a method is derived to study the pre-stationary state (having, by definition, time-dependent properties). Three hypotheses concerning the layer development are introduced, and their possible relevance is examined by comparison with experimental proof or known literature data. With one of these hypotheses, accordance with all available data is obtained, thus identifying this model as possibly valid. Based upon this model, some further growth characteristics of the passivating layer are derived.
KW - Chromium
KW - Corrosion inhibitors
KW - Electric impedance measurement
KW - Electrochemical electrodes
KW - Electrolytes
KW - Mathematical models
KW - Passivation
KW - Passivating layer development
KW - Zinc
KW - chromium
KW - coating
KW - passivation
KW - zinc
U2 - 10.1016/S0010-938X(00)00083-4
DO - 10.1016/S0010-938X(00)00083-4
M3 - Journal article
VL - 43
SP - 301
EP - 316
JO - Corrosion Science
JF - Corrosion Science
SN - 0010-938X
IS - 2
ER -