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Comparative Assessment of Environment‐Assisted Cracking Susceptibility of Different Grade API 5L Steels in CO2, CO2/H2S, and H2S Environments by Mariana Anastácia de Oliveira; Mariana Costa Folena; Samara Cruz da Silva; José Antônio da Cunha Ponciano Gomes is a Engineering article available to read on EtoBox.
What is Comparative Assessment of Environment‐Assisted Cracking Susceptibility of Different Grade API 5L Steels in CO2, CO2/H2S, and H2S Environments about?
The risk of Hydrogen Embrittlement (HE) and Stress Corrosion Cracking (SCC) is strong concern for material selection in oil and gas sector. The presence of H2S enhances hydrogen charging, which can rise the hydrogen embrittlement susceptibility. There are knowledge gaps about hydrogen embrittlement in environment saturated with pure carbon dioxide (CO2) and with CO2 containing H2S. CO2 has a strong impact on corrosion rate as well enhancing cathodic reactions. CO2 might also have a direct contribution to hydrogen charging and cracking mechanisms. This study addresses the assessment of hydrogen permeation and hydrogen embrittlement of X65 and X80 steels in CO2 and/or H2S environments. The performance of both steel grades, was investigated, supported by experimental approach. The results indicates that the loss of mechanical resistance is due to hydrogen uptake and diffusion as well as the anodic dissolution, especially in solution B. It was observed that the X80 steel used in this work was more susceptible to cracking than X65 steel even in pure CO2. It was concluded that the advantage of using a higher mechanical resistant steel, X80, can be suppressed by hydrogen embrittlement eff
Who reads Comparative Assessment of Environment‐Assisted Cracking Susceptibility of Different Grade API 5L Steels in CO2, CO2/H2S, and H2S Environments?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Mariana Anastácia de Oliveira; Mariana Costa Folena; Samara Cruz da Silva; José Antônio da Cunha Ponciano Gomes
- Publisher
- Wiley
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)