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polarization curves

Anodic polarization curves UNS N07718 (140K) in 3.5% NaCl

November 11, 2017 by Mariano Iannuzzi

This post illustrates three cyclic anodic polarization curves of the precipitation hardening nickel alloy (PHNA) UNS N07718 —with a Specified Minimum Yield Strength of 140 ksi— in 3.5 wt% NaCl (pH 8.0).

Filed Under: OpenLab! Tagged With: anodic polarization, localized corrosion, na718, nickel alloys, polarization curves

Anodic polarization curves UNS N07718 (120K) in 3.5% NaCl

November 10, 2017 by Mariano Iannuzzi

This post illustrates three cyclic anodic polarization curves of the precipitation hardening nickel alloy (PHNA) UNS N07718 —with a Specified Minimum Yield Strength of 120 ksi— in 3.5 wt% NaCl (pH 8.0).

Filed Under: OpenLab! Tagged With: anodic polarization, localized corrosion, na718, nickel alloys, polarization curves

Anodic polarization curves UNS N07718 (mill annealed) in 3.5% NaCl

September 15, 2017 by Mariano Iannuzzi

This post illustrates three cyclic anodic polarization curves of the precipitation hardening nickel alloy (PHNA) UNS N07718 —mill annealed— in 3.5 wt% NaCl (pH 8.0).

Filed Under: OpenLab! Tagged With: anodic polarization, localized corrosion, na718, nickel alloys, polarization curves

Corrosion Kinetics: Part II – Lecture Series on Corrosion Fundamentals

November 21, 2016 by Mariano Iannuzzi

This lecture covers the fundamentals of electrochemical corrosion kinetics, concentration and mixed polarization, rotating disc and cylinder electrode techniques, as well as galvanic series.

Filed Under: Kinetics, Lectures Tagged With: concentration polarization, corrosion, corrosion rate, fundamentals, galvanic-series, kinetics, ohmic drop, orr, oxygen-reduction-reaction, polarization curves, rce, rde, rotating cylinder electrode, rotating disc electrode

Corrosion Kinetics: Part I – Lecture Series on Corrosion Fundamentals

November 17, 2016 by Mariano Iannuzzi

Part I of this series of lectures covers the fundamentals of electrochemical corrosion kinetics and how to use it to estimate, for example, corrosion rates.

Filed Under: Kinetics, Lectures Tagged With: corrosion, corrosion rate, fundamentals, kinetics, polarization curves, tafel

Is there a right way to plot polarization curves?

May 1, 2014 by Mariano Iannuzzi

This blog post discusses different ways to plot polarization curves. The article also includes a brief explanation on reading Tafel constants.

Filed Under: Fundamentals, HowTos Tagged With: electrochemical reaction, electrochemistry, fundamentals, polarization curves

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