I have done potentiodynamic polarization (Tafel) studies for a few surface modified samples. The intercepts and slopes were done exactly by the origin software. Its results show a gradual increment of corrosion resistance (Rp). But its Icorr and Ecorr values are random. why?. Kindly explain with some reference.
Dear Dr. Logesh Mahendran ,
as I did in a similar question here in RG, I suggest you to have a look at the following, interesting documents:
-Application Note CORR-1 – Basics of Corrosion Measurements by Princeton Applied Research
Available at: https://www.ameteksi.com/-/media/ameteksi/download_links/documentations/library/princetonappliedresearch/application_note_corr-1.pdf?revision=72ff248d-93aa-470e-a16b-ea23a8f8148a
-Application Note - Getting Started with Electrochemical Corrosion Measurement by Gamry Instruments
Available at: https://www.gamry.com/assets/Application-Notes/Getting-Started-with-Electrochemical-Corrosion-Measurement.pdf
-Tafel Plot and Evans Diagram by Palmsens
Available at: https://www.palmsens.com/knowledgebase-article/tafel-plot-and-evans-diagram/
-Electrochemical Corrosion Studies of Various Metals by Metrohm Autolab
Available at: https://www.google.it/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwiLrqf4v9n0AhWRMewKHQFXAqAQFnoECCEQAQ&url=https%3A%2F%2Fpartners.metrohm.com%2FGetDocumentPublic%3Faction%3Dget_dms_document%26docid%3D3347651&usg=AOvVaw3DOgpH4l6qq3FFmrQ0TAE2
Enjoy reading and my best regards, Pierluigi Traverso.
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