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Development of an Automated Millifluidic Platform and Data-Analysis Pipeline for Rapid Electrochemical Corrosion Measurements: A Ph Study on Zn-Ni

18 Pages Posted: 5 Apr 2022

See all articles by Howard Joress

Howard Joress

Government of the United States of America - Materials Measurement Science Division

Brian DeCost

Government of the United States of America - National Institute of Standards and Technology (NIST)

Najlaa Hassan

Government of the United States of America - National Institute of Standards and Technology (NIST)

Trevor Braun

Government of the United States of America - National Institute of Standards and Technology (NIST)

Justin Gorham

Government of the United States of America - National Institute of Standards and Technology (NIST)

Jason Hattrick-Simpers

University of Toronto - Department of Materials Science and Engineering

Abstract

We describe the development of a millifluidic based scanning droplet cell platform for rapid and automated corrosion.  This system allows for measurement of corrosion properties (e.g., open circuit potential, corrosion current through Tafel and linear polarization resistance measurements, and cyclic voltammograms) on a localized section of a planar sample.  Our system is highly automated and flexible, allowing for scripted changing and mixing of solutions and point-to-point motion on the sample.  We have also created an automated data analysis pipeline.  Here we demonstrate this tool by corroding a plate of electroplated \ce{Zn85Ni15} alloy over a range of pH values and correlate our results with XPS measurements and literature.

Keywords: Scanning Droplet Cell, Automation, corrosion

Suggested Citation

Joress, Howard and DeCost, Brian and Hassan, Najlaa and Braun, Trevor and Gorham, Justin and Hattrick-Simpers, Jason, Development of an Automated Millifluidic Platform and Data-Analysis Pipeline for Rapid Electrochemical Corrosion Measurements: A Ph Study on Zn-Ni. Available at SSRN: https://ssrn.com/abstract=4075907 or http://dx.doi.org/10.2139/ssrn.4075907

Howard Joress (Contact Author)

Government of the United States of America - Materials Measurement Science Division ( email )

Brian DeCost

Government of the United States of America - National Institute of Standards and Technology (NIST) ( email )

Gaithersburg, MD
United States

Najlaa Hassan

Government of the United States of America - National Institute of Standards and Technology (NIST) ( email )

Gaithersburg, MD
United States

Trevor Braun

Government of the United States of America - National Institute of Standards and Technology (NIST) ( email )

Gaithersburg, MD
United States

Justin Gorham

Government of the United States of America - National Institute of Standards and Technology (NIST) ( email )

Gaithersburg, MD
United States

Jason Hattrick-Simpers

University of Toronto - Department of Materials Science and Engineering ( email )

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