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Fundamentals

Conversion of Reference Electrode Scales

March 13, 2020 by Mariano Iannuzzi

The conversion of reference electrode scales is often confusing. In this article you will find a method to avoid errors and confusions.

Filed Under: Electrochemistry, Fundamentals, HowTos Tagged With: education, fundamentals, how to, reference electrodes

Anodic and cathodic reactions during carbon dioxide corrosion

January 16, 2020 by Mariano Iannuzzi

This article describes the speciation of carbon dioxide in aqueous solutions as well as the main anodic and cathodic reactions during CO2 corrosion of carbon and low alloy steels.

Filed Under: Carbon dioxide, Low alloy steels Tagged With: carbon dioxide, co2, electrochemical reaction

Distributed sacrificial anodes, or how to save 500 tons in subsea production systems – Presentation

April 12, 2017 by Mariano Iannuzzi

This presentation gave at CORROSION 2017, introduces the concept of cathodic protection by distributed sacrificial anodes (DSA), a promising new approach to optimizing external corrosion protection..

Filed Under: Cathodic protection, Oil & Gas, Presentations Tagged With: cathodic protection, distributed sacrificial anodes, dsa, oil & gas, subsea production systems

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

Materials Selection and Corrosion Control in Subsea Oil and Gas Production – Lecture

November 11, 2016 by Mariano Iannuzzi

This lecture describes various materials selection and corrosion control strategies for subsea oil and gas production systems. A brief discussion on carbon and low alloy steels as well as corrosion resistance alloys is presented alongside fundamental corrosion concepts.

Filed Under: Carbon dioxide, Critical potentials, Environmentally Assisted Cracking, Fundamentals, Lectures, Localized corrosion, Nickel Alloys, NORSOK, Oil & Gas, Physical Metallurgy, Presentations, Stainless steels, Sulfide Stress Cracking Tagged With: corrosion, fundamentals, lectures, materials selection, ntnu, Oil&Gas

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