Application of Galvanostatic Non-Linear Impedance Spectroscopy to the Analysis of Metallic Material Degradation.

Pawel Slepski, Husnu Gerengi, Dominika Parasinska, Lukasz Gawel

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In one paragraph

Article in Materials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Pawel SlepskiDepartment of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdansk University of Technology, 11/12 G. Narutowicza Str., 80-233 Gdansk, Poland.

Husnu GerengiCorrosion Research Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Düzce University, 81620 Düzce, Turkey.

Dominika ParasinskaDepartment of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdansk University of Technology, 11/12 G. Narutowicza Str., 80-233 Gdansk, Poland.ORCID 0009-0004-8161-211X

Lukasz GawelDepartment of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdansk University of Technology, 11/12 G. Narutowicza Str., 80-233 Gdansk, Poland.ORCID 0000-0002-6103-8526

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study presents a novel application of Non-Linear Electrochemical Impedance Spectroscopy (NLEIS) in galvanostatic mode for the rapid, non-destructive assessment of metal degradation. By using galvanostatic mode instead of traditional potentiostatic methods, polarization-related challenges are mitigated, enabling more accurate and reliable analysis. The technique allows for the determination of corrosion rates (corrosion current) and material susceptibility to oxidation (Tafel coefficient) through a single measurement with a modulated AC perturbation signal. Theoretical assumptions of the method were validated through tests on both a non-linear model system and an experimental system. The proposed research methodology is highly effective for monitoring the condition of metallic materials in various environments, covering both anodic and cathodic processes.

Indexed as

degradation of metallic materialsnon-destructive corrosion monitoringnon-linear electrochemical impedance spectroscopy

Identifiers

PMID39459691

DOI10.3390/ma17204985

PMCPMC11509310

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