Embrittlement, degradation, and loss prevention of hydrogen pipelines

IF 4.1 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Mrs Bulletin Pub Date : 2024-04-04 DOI:10.1557/s43577-024-00695-9
Leonardo Giannini, Nima Razavi, Antonio Alvaro, Nicola Paltrinieri
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Abstract

The detrimental effects induced by hydrogen on different materials—including steels—are a well-known and studied phenomenon. In the last century, several research papers focusing on hydrogen damages were published, including investigations concerning the hydrogen impact on the crack growth rate in steels subjected to cyclic loading. However, the past studies focused on material behavior and the role of external factors (e.g., pressure, temperature, stress field, microstructure, inhibitors, etc.), while the consequences of these findings on safety procedures and guidelines remain unspoken. The present work aims at investigating how the manifestation of the hydrogen degradation effect on equipment subjected to fatigue loadings may reflect on conventional safety practices. More accurately, a review of the parameters governing pipeline fatigue life is undertaken to analyze how such variables may lead to undesirable events and ultimately promoting a loss of containment scenario. In this sense, this work appeals for an evolution of the existing inspection methodologies for components that may experience fatigue failures (i.e., piping and pipeline systems), since the time-dependency of the detrimental effects induced by hydrogen should be considered in the operations of accident prevention and risk mitigation. Hence, the development of a preventive inspection and maintenance strategy specifically conceived for hydrogen technologies is essential to avoid the loss prevention of hydrogen systems. This will not only contribute to a quicker and larger scale spread of a hydrogen infrastructure, but it will also foster the energy-transition challenge that our society is facing today.

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氢气管道的脆化、降解和损失预防
氢气对不同材料(包括钢材)的有害影响是众所周知的现象,也是研究的重点。上个世纪,发表了多篇关于氢损伤的研究论文,其中包括氢对循环加载下钢材裂纹增长速度的影响。然而,过去的研究主要集中在材料行为和外部因素(如压力、温度、应力场、微观结构、抑制剂等)的作用上,而这些研究结果对安全程序和准则的影响仍未被提及。本研究旨在探讨氢气降解效应在承受疲劳载荷的设备上的表现如何反映在传统的安全实践中。更准确地说,是对影响管道疲劳寿命的参数进行审查,以分析这些变量如何可能导致不良事件,并最终导致安全壳失效。从这个意义上说,这项工作呼吁对可能出现疲劳故障的部件(即管道和输油管系统)的现有检测方法进行改进,因为在事故预防和风险缓解操作中,应考虑氢气诱发的有害影响的时间依赖性。因此,制定专门针对氢技术的预防性检查和维护战略对于避免氢系统的损失至关重要。这不仅有助于更快、更大规模地推广氢能基础设施,还将促进应对当今社会面临的能源转型挑战。
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来源期刊
Mrs Bulletin
Mrs Bulletin 工程技术-材料科学:综合
CiteScore
7.40
自引率
2.00%
发文量
193
审稿时长
4-8 weeks
期刊介绍: MRS Bulletin is one of the most widely recognized and highly respected publications in advanced materials research. Each month, the Bulletin provides a comprehensive overview of a specific materials theme, along with industry and policy developments, and MRS and materials-community news and events. Written by leading experts, the overview articles are useful references for specialists, but are also presented at a level understandable to a broad scientific audience.
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