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Environmentally Assisted Cracking

Pre-exposure embrittlement and stress corrosion cracking of magnesium alloy AZ31B in chloride solutions – Publication

April 11, 2017 by Mariano Iannuzzi

In this manuscript, we investigate the influence of hydrogen on the environmentally assisted cracking of the high-strength magnesium alloy AZ31B.​

Filed Under: Environmentally Assisted Cracking, Hydrogen Embrittlement, Journal Articles, Magnesium alloys, Stress corrosion cracking Tagged With: az31b, hydrogen, hydrogen embrittlement, Hydrogen Stress Cracking, Magnesium alloys, publications, Stress Corrosion Cracking

Hydrogen Embrittlement of Industrial Components: Prediction, Prevention, and Models – Publication

March 21, 2017 by Milos Djukic

Hydrogen embrittlement is a common, dangerous, and poorly understood cause of failure in many metal alloys. This article presents a model based on the correlation of mechanical properties to scanning electron microscopy fractography analysis of fracture surfaces in the presence of simultaneously active hydrogen embrittlement micro-mechanisms.

Filed Under: Hydrogen Embrittlement, Journal Articles, Low alloy steels, Oil & Gas, Physical Metallurgy, Uncategorized Tagged With: carbon steel, hydrogen embrittlement, industrial components, journal-articles, pipelines, publications

Is sulfide stress cracking an anodic or a cathodic process?

February 19, 2017 by Mariano Iannuzzi

Is sulfide stress cracking an anodic or a cathodic process? Does hydrogen play a role or is SSC controlled by anodic dissolution? Find out in this post!

Filed Under: Low alloy steels, Oil & Gas, Sulfide Stress Cracking Tagged With: environmental cracking, low alloy steels, Oil&Gas, SCC, ssc, sulfide stress cracking

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

Are cracks born from pits?

January 31, 2016 by Mariano Iannuzzi

This article describes the different forms of environmentally assisted cracking that can affect low alloy steels and corrosion resistant alloys in the oil & gas industry.

Filed Under: Low alloy steels, Stress corrosion cracking, Sulfide Stress Cracking Tagged With: corrosion resistant alloys, CRA, hydrogen, hydrogen embrittlement, Hydrogen Stress Cracking, las, low alloy steels, Oil&Gas, SCC, ssc, sulfide stress cracking

Pre-exposure embrittlement and stress corrosion cracking of magnesium alloys in chloride solutions — Presentation

November 8, 2015 by Mariano Iannuzzi

Do magnesium alloys suffer environmentally assisted cracking?
In this work, presented at CORROSION 2014, we investigated the hydrogen embrittlement and stress corrosion cracking of magnesium alloy AZ31B in chloride solutions.

Filed Under: Environmentally Assisted Cracking, Magnesium alloys, Presentations, Stress corrosion cracking Tagged With: az31b, hydrogen, hydrogen embrittlement, Magnesium alloys, NACE

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