Inhibitory effect of oxygen on hydrogen-induced fracture of A333 pipe steel

Ryosuke Komoda, Masanobu Kubota, Aleksandar Tsekov Staykov, Patrick Ginet, Francoise Barbier, Jader Furtado

Research output: Contribution to journalArticle

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Abstract

The effect of oxygen contained in hydrogen gas environment as an impurity on hydrogen environment embrittlement (HEE) of A333 pipe steel was studied through the fracture toughness tests in hydrogen gases. The oxygen contents in the hydrogen gases were 100, 10, and 0.1 vppm. A significant reduction in the J-Δa curve was observed in the hydrogen with 0.1-vppm oxygen. Under given loading conditions, the embrittling effect of hydrogen was completely inhibited by 100 vppm of oxygen. In the case of the hydrogen with 10-vppm oxygen, initially the embrittling effect of hydrogen was fully inhibited, and then subsequently appeared. It was confirmed that 1-vppm oxygen reduced the embrittling effect of hydrogen. The results can be explained by the predictive model of HEE proposed by Somerday et al.

Original languageEnglish
Pages (from-to)1387-1401
Number of pages15
JournalFatigue and Fracture of Engineering Materials and Structures
Volume42
Issue number6
DOIs
Publication statusPublished - Jun 1 2019

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Steel pipe
Hydrogen
Oxygen
Gases
Embrittlement
Fracture toughness
Impurities

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Inhibitory effect of oxygen on hydrogen-induced fracture of A333 pipe steel. / Komoda, Ryosuke; Kubota, Masanobu; Staykov, Aleksandar Tsekov; Ginet, Patrick; Barbier, Francoise; Furtado, Jader.

In: Fatigue and Fracture of Engineering Materials and Structures, Vol. 42, No. 6, 01.06.2019, p. 1387-1401.

Research output: Contribution to journalArticle

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AU - Furtado, Jader

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