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Use of the critical acidification model to estimate critical localized corrosion potentials of duplex stainless steels – Publication

February 12, 2017 by Mariano Iannuzzi

Can we use Galvele’s critical acidification model to estimate the localized corrosion resistance of engineering stainless steels?
Short answer: yes; long answer: it is complicated.
Find out more in our recent CORROSION Journal article.

Filed Under: Critical potentials, Journal Articles, Oil & Gas, Stainless steels Tagged With: crevice corrosion, critical acidification model, duplex stainless steels, galvele, localized corrosion, Oil&Gas, pit-like, sdss, seawater, super duplex stainless steels

Effect of Tungsten on the Pitting and Crevice Corrosion Resistance of Type 25Cr Super Duplex Stainless Steels – Publication

February 11, 2017 by Mariano Iannuzzi

Are all super duplex stainless steels alike? Does tungsten additions have an influence on localized corrosion resistance?
Spoiler: it does, and it is remarkable.

Filed Under: Critical potentials, Journal Articles, Library, Localized corrosion, Stainless steels, Temperature Tagged With: cct, CPT, crevice corrosion, critical pitting temperature, duplex stainless steels, long-term exposure, Oil&Gas, pitting corrosion, seawater, tungsten

Mechanisms of alternating current induced corrosion of carbon steel – Publication

August 21, 2016 by Mariano Iannuzzi

Does an alternating current or electromagnetic field accelerate corrosion of carbon and low alloy steels? Check our new peer-reviewed article to find out!

Filed Under: AC Corrosion, Journal Articles, Low alloy steels, News Tagged With: ac corrosion, alterntating current, low alloy steels, Oil&Gas, seawater

Corrosion behavior of buried pipeline in presence of AC stray current in a controlled environment (Paper no. C2015-5588)

May 29, 2015 by Mariano Iannuzzi

This blog entry provides the link to download our final NACE CORROSION 2015 publication on corrosion of carbon steel in the presence of alternate currents (AC). Elmira Ghanbari presents a model, based on fundamental corrosion principles, which estimates the effect of an applied AC interference on Faradaic processes leading to corrosion.

Filed Under: Conference Papers, Low alloy steels, Oil & Gas Tagged With: ac corrosion, alternate current, carbon steel, cathodic protection, conferences, NACE, Oil&Gas, pipelines, publications, seawater, stray currents

Use of electrochemical techniques to determine the effect of Sigma phase (σ-phase) precipitation on a 25% Cr Super Duplex Stainless Steel (Paper no. C2015-5595)

May 25, 2015 by Mariano Iannuzzi

This blog entry provides the link to download our final NACE CORROSION 2015 publication on the effect of σ-phase precipitation on localized corrosion of super duplex stainless steels.

Filed Under: Conference Papers, Stainless steels Tagged With: cct, conferences, CPT, CRA, critical pitting temperature, localized corrosion, NACE, Oil&Gas, PREN, publications, seawater, stainless steels

Use of electrochemical techniques to determine the effect of Sigma phase (σ-phase) precipitation on a 25Cr Super Duplex Stainless Steel — Presentation

February 22, 2015 by Mariano Iannuzzi

This work was presented at NACE International CORROSION 2015 “Mechanisms of Localized Corrosion” symposium.
A link to the final presentation is included.

Filed Under: Conferences, Critical potentials, Localized corrosion, Presentations Tagged With: CORROSION/15, CRA, critical pitting temperature, localized corrosion, materials selection, Oil&Gas, PREN, sdss, seawater, sensitization, sigma phase, stainless steels, Subsea

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