2009
DOI: 10.1115/1.3058703
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The Behavior of Shallow Cracks in a Pipeline Steel Operating in a Sour Environment

Abstract: Setting conditions for the avoidance of in-service crack growth in aggressive corroding environments has long been a major challenge due to the number of variables that have a significant effect on material behavior. One area where both experimental data and a validated assessment methodology are lacking is the behavior of shallow cracks. This paper describes the early results of an ongoing research program aimed at addressing the shortfall in experimental data to characterize material behavior in the shallow-… Show more

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Cited by 2 publications
(2 citation statements)
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“…Hydrogen sulfide, H 2 S, increases the absorption of hydrogen in carbon steels, 1 causing embrittlement and decreasing the mechanical properties during static [2][3][4] and dynamic loading. [5][6][7][8] Therefore, tests conducted to evaluate materials for sour service usually require the use of this gas. H 2 S is extremely toxic with an Occupational Safety and Health Administration (OSHA) permissible exposure level (PEL) ceiling limit of 20 ppm, 9 and also corrosive and flammable.…”
mentioning
confidence: 99%
“…Hydrogen sulfide, H 2 S, increases the absorption of hydrogen in carbon steels, 1 causing embrittlement and decreasing the mechanical properties during static [2][3][4] and dynamic loading. [5][6][7][8] Therefore, tests conducted to evaluate materials for sour service usually require the use of this gas. H 2 S is extremely toxic with an Occupational Safety and Health Administration (OSHA) permissible exposure level (PEL) ceiling limit of 20 ppm, 9 and also corrosive and flammable.…”
mentioning
confidence: 99%
“…Another important study in subsea pipelines is the effect of the sour environments on fatigue crack growth rate since the sour productions are common in oil and gas industry [110][111][112][113]. The fatigue behavior of pipeline base steel material in a sour environment was investigated by Holtam et al [112].…”
Section: Fatigue Study In Offshore Pipelinesmentioning
confidence: 99%