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2023 | OriginalPaper | Chapter

Influence of High-Temperature Tempering Treatment on Hydrogen Diffusion Behavior in X80 Pipeline Steel Containing Different Vanadium Contents

Authors : Wensen Cheng, Bo Song, Jinghong Mao

Published in: TMS 2023 152nd Annual Meeting & Exhibition Supplemental Proceedings

Publisher: Springer Nature Switzerland

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Abstract

The influence of before and after high-temperature tempering treatment on hydrogen diffusion behavior in X80 pipeline steel containing different vanadium contents has been studied through hydrogen permeation test. The results show that with the increase of vanadium content in steels, the hydrogen diffusion coefficient decreases because of the increase of precipitates and low angle grain boundaries (LAGBs) and special grain boundaries (special GBs). The high-temperature tempering treatment promotes the formation of precipitates, but reduces the number of LAGBs and special GBs. The binding and trap energies of LAGBs and special GBs with hydrogen atoms are much lower than that of precipitates in steels, and thus the hydrogen diffusion coefficient in high-temperature tempering samples is lower, which decreases the hydrogen diffusion coefficient in high-temperature tempering samples.

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Literature
14.
go back to reference Li L, Song B, Yang B, Wang L, Cheng W (2020) Effect of tempering temperature after thermo-mechanical control process on microstructure characteristics and hydrogen-induced ductility loss in high-vanadium X80 pipeline steel. Materials 13(12):2839. https://doi.org/10.3390/ma13122839CrossRef Li L, Song B, Yang B, Wang L, Cheng W (2020) Effect of tempering temperature after thermo-mechanical control process on microstructure characteristics and hydrogen-induced ductility loss in high-vanadium X80 pipeline steel. Materials 13(12):2839. https://​doi.​org/​10.​3390/​ma13122839CrossRef
15.
go back to reference NACE Standard TM0284 (2016) Evaluation of pipeline and pressure vessel steels for resistance of hydrogen induced cracking. Huston (TX),NACE International. NACE Standard TM0284 (2016) Evaluation of pipeline and pressure vessel steels for resistance of hydrogen induced cracking. Huston (TX),NACE International.
Metadata
Title
Influence of High-Temperature Tempering Treatment on Hydrogen Diffusion Behavior in X80 Pipeline Steel Containing Different Vanadium Contents
Authors
Wensen Cheng
Bo Song
Jinghong Mao
Copyright Year
2023
DOI
https://doi.org/10.1007/978-3-031-22524-6_89

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