Journal article
Corrosion behavior of Ti3GeC2 and Ti2AlN in 1 m NaOH
Journal of the Electrochemical Society, v 153(7), pp B238-B243
01 Jan 2006
Abstract
In this paper we report on the corrosion behavior of Ti3GeC2 and Ti2AlN in a 1 M NaOH solution, investigated by electrochemical impedance spectroscopy (EIS), polarization, and zeta-potential measurements. The EIS results for Ti3GeC2 and some results for Ti2AlN could be fitted to a complex equivalent circuit, where the double layer is represented by a constant phase element. The passive film is represented by a polarization resistance in series with a parallel connection of a resistance of the passive film (R-pf) and its capacitance (C-pf). In both cases passive layers were formed. Based on the zeta-potential measurements, we conclude that the passivating layer that forms on Ti3GeC2, over a wide pH range, is most likely GeO2-based, while the one formed on Ti2AlN is most likely Al2O3-based and/or TiO2-based. (c) 2006 The Electrochemical Society.
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Details
- Title
- Corrosion behavior of Ti3GeC2 and Ti2AlN in 1 m NaOH
- Creators
- V. D. Jovic - University of BelgradeM. W. Barsoum - Drexel UniversityB. M. JovicA. Ganguly - Drexel UniversityT. El-Raghy - #N#c#N#3-ONE-2, Voorhees, New Jersey, USA
- Publication Details
- Journal of the Electrochemical Society, v 153(7), pp B238-B243
- Publisher
- Electrochemical Soc Inc
- Number of pages
- 6
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000237945300029
- Scopus ID
- 2-s2.0-33744794623
- Other Identifier
- 991019167987904721
InCites Highlights
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Electrochemistry
- Materials Science, Coatings & Films