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Carbon dioxide corrosion – overall reaction (LaTex code)

November 16, 2014 by Mariano Iannuzzi

Overall carbon dioxide (CO2) corrosion reaction; includes LaTex code.

Filed Under: Equations, Library Tagged With: carbon dioxide, co2, electrochemical reaction, electrochemistry, equations

Carbon dioxide corrosion – Definition

November 12, 2014 by Mariano Iannuzzi

What is carbon dioxide corrosion?
This article presents the main electrochemical reactions leading to corrosion of carbon steel in the presence of CO2.

Filed Under: Carbon dioxide, Definitions, Library Tagged With: carbon dioxide, carbon steel, co2, definition

ISO 15156-3 will set new restrictions on UNS S174000 (17-4PH)

October 22, 2014 by Mariano Iannuzzi

This article describes the results of a recent NACE MR0175/ ISO 15156 ballot that imposes stringent maximum allowable stress values.

Filed Under: Announcements, ISO, Stainless steels, Sulfide Stress Cracking Tagged With: CRA, HSC, hydrogen embrittlement, Hydrogen Stress Cracking, iso 15156, NACE, Oil&Gas, SCC, sour service, ssc, stainless steels, Stress Corrosion Cracking, sulfide stress cracking

NORSOK M-001 Revision 5 – Materials Selection

October 20, 2014 by Mariano Iannuzzi

NORSOK M-001 “Materials Selection” standard has been released. This article offers a direct link to download a copy from www.standard.no

Filed Under: Announcements, NORSOK, Standards Tagged With: materials selection, norsok, Oil&Gas, standards

About interface potentials: the reversible and the corrosion potentials

October 15, 2014 by Mariano Iannuzzi

This article discusses the differences between the two most important interface potentials: the reversible and the open circuit or corrosion potentials.

Filed Under: Fundamentals, Thermodynamics Tagged With: corrosion, emf, galvanic-series, interface-potentials, nernst-equation, oxidation, potential, reduction, thermodynamics

Sulfide stress cracking of nickel-containing low-alloy steels

September 29, 2014 by Mariano Iannuzzi

Low alloy steels with a nickel content greater than 1% are not allowed in sour service applications. This paper reviews the effect of nickel on the hydrogen embrittlement performance of low alloy steels.

Filed Under: Journal Articles, Sulfide Stress Cracking Tagged With: corrosion-reviews, hydrogen, hydrogen embrittlement, Hydrogen Stress Cracking, journal-articles, nickel alloy steels, Oil&Gas, ssc

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