Galvanostatic anodization of titanium—I. Structures and compositions of the anodic films

The galvanostatic anodization of commercially pure titanium is studied with current densities lower than 500 A m −2 in 1 M sulphuric acid between 25 and 75°C. Two types of electrochemical behaviour are observed: the first type is characterized by a maximum value of the cell voltage and the second on...

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Bibliographic Details
Published in:Electrochimica acta 1988-11, Vol.33 (11), p.1539-1549
Main Authors: Delplancke, J.-L., Winand, R.
Format: Article
Language:English
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Summary:The galvanostatic anodization of commercially pure titanium is studied with current densities lower than 500 A m −2 in 1 M sulphuric acid between 25 and 75°C. Two types of electrochemical behaviour are observed: the first type is characterized by a maximum value of the cell voltage and the second one by a continuous increase of the anode to cathode (which is platinum) potential difference. These different behaviours may be related to different structures of the anodic films (as observed by SEM and TEM) and to the compositions of these films (as determined by Auger analysis, RHEED and HEED).
ISSN:0013-4686
1873-3859
DOI:10.1016/0013-4686(88)80223-8