NDLI: Corrosion and Hydrogenation of 09G2S Steel in Hydrogen-Sulfide Media at Elevated Temperatures and Pressures

Content Provider	Springer Nature Link
Author	Khoma, M. S. Chuchman, M. R. Antoshchak, I. M. Ivashkiv, V. R. Datsko, B. M. Lychkovs’kyi, E. I.
Copyright Year	2016
Abstract	We study the influence of the partial pressure of hydrogen sulfide (1–5 atm) and temperature (25–120°C) on the corrosion behavior of 09G2S steel in model seawater and the degree of its hydrogenation. It is shown that the increase in the partial pressure of hydrogen sulfide (p $_{H2S}$) up to 5 atm at 80°C leads to an increase in the corrosion rate of steel by almost an order of magnitude. It is shown that, for p $_{H2S}$ = 1–5 atm, hydrogen sulfide promotes the hydrogenation of steel. In this case, the amount of diffusion-mobile hydrogen is 3.5–3.7 times smaller than the amount of hydrogen with a higher energy of bonding with the metal. It is established that, the increase in temperature from 25 up to 120°C leads to a decrease in the corrosion rate of steel in model seawater for p $_{H2S}$ = 1 atm by a factor of ~ 6–8, whereas the degree of hydrogenation becomes 2.8–4.1 times larger.
Starting Page	659
Ending Page	665
Page Count	7
File Format	PDF
ISSN	1068820X
Journal	Materials Science
Volume Number	51
Issue Number	5
e-ISSN	1573885X
Language	English
Publisher	Springer US
Publisher Date	2016-08-13
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	corrosion 09G2S steel hydrogenation hydrogen sulfide chlorides model seawater Materials Science Characterization and Evaluation of Materials Structural Materials Structural Mechanics
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Condensed Matter Physics Materials Science Mechanical Engineering

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