10G2BT 钢制天然气管道长期运行的氢脆风险评估

IF 0.7 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
A. M. Syrotyuk, R. L. Leshchak, M. V. Hrynenko, N. T. Hembara
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引用次数: 0

摘要

研究表明,由 10G2BT 钢制成的长期运行天然气管道金属含氢量相对较低,这并不具备管道氢脆的先决条件。不过,在所考虑的情况下,可以确定钢的微观结构具有缺陷增加的特点,这种缺陷随着管道运行时间的延长而增加。这种有缺陷的微观结构具有更强的吸氢能力,因此存在材料氢脆的风险。结论是,在没有额外验证的情况下,使用长期运行的管道运输天然气和氢气混合物是有问题的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Evaluation of Hydrogen Embrittlement Risk of Long-Term Operated Gas Pipelines Made of 10G2BT Steel

Evaluation of Hydrogen Embrittlement Risk of Long-Term Operated Gas Pipelines Made of 10G2BT Steel

It was established that the metal of long-term operated gas pipelines made of 10G2BT steel contains relatively little hydrogen, which does not create prerequisites for the pipes hydrogen embrittlement. However, for the considered cases, it was established that the microstructure of steel is characterized by increased defectiveness, which increases with the extension of the pipeline operation time. Such a defective microstructure has an increased ability of absorbing hydrogen, and therefore there is a risk of hydrogen embrittlement of the material. It was concluded that the use of long-term operated pipelines for transportation mixtures of natural gas and hydrogen without additional verification is problematic.

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来源期刊
Materials Science
Materials Science 工程技术-材料科学:综合
CiteScore
1.60
自引率
44.40%
发文量
63
审稿时长
4-8 weeks
期刊介绍: Materials Science reports on current research into such problems as cracking, fatigue and fracture, especially in active environments as well as corrosion and anticorrosion protection of structural metallic and polymer materials, and the development of new materials.
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