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Electrical mapping of AISI 304 stainless steel subjected to intergranular corrosion performed by means of AFM-LIS in the contact mode
Abstract
The paper presents results of the AFM-based approach to local impedance spectroscopy (LIS) measurements performed in a 20 20 lm grid within an austenite grain–grain boundary region for sensitized AISI 304 stainless steel (SS). Maps of electrical parameters obtained on the basis of localized impedance spectra were demonstrated, presenting their changes and correlation with the sample topography. Performed research revealed significant differences in the electrical distribution of the contact resistance considered as the passive layer resistance and contact capacitance considered as the passive layer capacitance determined for austenite grain interiors and austenite grain boundaries affected by intergranular corrosion.
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
CORROSION SCIENCE
no. 71,
pages 37 - 42,
ISSN: 0010-938X - Language:
- English
- Publication year:
- 2013
- Bibliographic description:
- Arutunow A., Darowicki K., Tobiszewski M.: Electrical mapping of AISI 304 stainless steel subjected to intergranular corrosion performed by means of AFM-LIS in the contact mode// CORROSION SCIENCE. -Vol. 71, (2013), s.37-42
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.corsci.2013.02.001
- Verified by:
- Gdańsk University of Technology
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