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pitting corrosion

The Role of Tungsten on the Phase Transformation Kinetics and its Correlation with the Localized Corrosion Resistance of 25Cr Super Duplex Stainless Steels

May 29, 2020 by Mariano Iannuzzi

This investigation demonstrated 2.1 wt% tungsten drastically reduced the kinetics of tertiary phase precipitation in 25Cr super duplex stainless steels. The slow kinetics resulted in a better overall pitting corrosion resistance.

Filed Under: Corrosion Resistant Alloys, Critical potentials, Journal Articles, Library, Localized corrosion, Oil & Gas, Physical Metallurgy, Stainless steels, Temperature, Uncategorized Tagged With: chi phase, Oil&Gas, pitting corrosion, sigma phase, 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

Use of electrochemical techniques to determine localized corrosion resistance of 25% Cr Super Duplex Stainless Steels: effect of tungsten — Presentation

November 8, 2015 by Mariano Iannuzzi

Does tungsten in super duplex stainless steel improve localized corrosion resistance?
In this presentation, the pitting and crevice corrosion resistance of super duplex stainless steels with different tungsten contents was analyzed using various electrochemical techniques.
The work was presented at the 16th Nordic Corrosion Conference.

Filed Under: Presentations, Stainless steels, Temperature Tagged With: duplex stainless steels, pitting corrosion, sdss, stainless steel, tungsten

Call for papers – CORROSION 2016: Mechanisms of Localized Corrosion – In memoriam of Prof. J.R. Galvele

April 13, 2015 by Mariano Iannuzzi

The deadline for abstract submission is May 1st. This post describes the symposium objectives and provides a link to NACE International Abstract Submission Portal.

Filed Under: Announcements, Call for papers, Conferences Tagged With: Announcements, corrosion/16, crevice corrosion, galvele, localized corrosion, NACE, pitting corrosion

Localized corrosion risk assessment using Markov analysis

November 29, 2014 by Mariano Iannuzzi

The objective of this work was to develop the foundation for an interactive corrosion risk management tool, based on Markov Analysis, for assessing the probability of failure of industrial components as a function of threats (such as pitting corrosion and coating degradation) and mitigation schemes (such as inhibitors and coatings). doi: 10.5006/1184

Filed Under: Aluminum alloys, Announcements, Journal Articles, Library, Localized corrosion, Markov analysis, Modeling Tagged With: aluminum alloys, Announcements, atmospheric corrosion, corrosion journal, localized corrosion, markov, modeling, pitting corrosion

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