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ASM Handbook

Corrosion: Fundamentals, Testing, and Protection

Edited by
Stephen D. Cramer
Stephen D. Cramer
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Bernard S. Covino, Jr.
Bernard S. Covino, Jr.
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ASM International
Volume
13A
ISBN electronic:
978-1-62708-182-5
Publication date:
2003
Book Chapter

Methods for Determining Aqueous Corrosion Reaction Rates

By
John R. Scully
John R. Scully
University of Virginia
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Robert G. Kelly
Robert G. Kelly
University of Virginia
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Published:
2003
Page range:
68 - 86
Publication history
December 01, 2003

Abstract

This article addresses electrochemical methods for instantaneous rate determination and threshold determination as well as nonelectrochemical methods that can determine incremental or cumulative rates of corrosion. Electrochemical methods for the study of galvanic corrosion rates and localized corrosion and evaluation of corrosion rates under paints are also discussed. The article describes nonelectrochemical methods that can determine incremental or cumulative rates of corrosion. Methods presented include polarization methods, polarization resistance methods, electrochemical impedance methods, frequency modulation methods, electrochemical noise resistance, potential probe methods, cyclic potentiodynamic polarization methods, potentiostatic and galvanostatic methods, electrochemical noise (EN) methods, scratch-repassivation method, and electrochemical impedance spectroscopy (EIS) techniques. Gravimetric determination of mass loss, electrical-resistance methods, magnetic methods, quartz crystal microbalance method, solution analysis methods, and metrological methods are nonelectrochemical methods. The article presents an electrochemical test that examines the susceptibility of stainless steel alloys to intergranular corrosion.

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John R. Scully, Robert G. Kelly, 2003. "Methods for Determining Aqueous Corrosion Reaction Rates", Corrosion: Fundamentals, Testing, and Protection, Stephen D. Cramer, Bernard S. Covino, Jr.

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