A review of irradiation-induced hardening in FeCrAl alloy systems for accident-tolerant fuel cladding

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-10-22 DOI:10.1016/j.nucengdes.2024.113659

Abylay Tangirbergen , Nurlan Amangeldi , Shripad T. Revankar , Gani Yergaliuly

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Abstract

Despite nuclear energy being a clean, sustainable source, its safety is a major concern, especially after the Chernobyl and Fukushima accidents. Designing accident-tolerant fuel (ATF) clad materials is a key solution. This review examines the development and behavior of FeCrAl alloys, a promising ATF cladding candidate, under irradiation. FeCrAl alloys show excellent resistance to high-temperature corrosion and oxidation, but irradiation can significantly alter their mechanical properties. This paper consolidates experimental and theoretical studies on irradiation hardening in FeCrAl alloys, highlighting dislocation loops and Cr-rich α’ precipitates as primary hardening contributors. It discusses compositional adjustments, such as adding oxide dispersion strengthening (ODS) materials, and evaluates advanced techniques to mitigate irradiation-induced damage and improve alloy performance. Theoretical frameworks of irradiation hardening and computer simulation methods are overviewed. This review provides a comprehensive understanding of irradiation hardening mechanisms in FeCrAl alloys and suggests future research directions for enhancing nuclear reactor safety and efficiency.

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用于事故耐受燃料包壳的铁铬铝合金系统中的辐照诱导硬化综述

尽管核能是一种清洁、可持续的能源，但其安全问题却备受关注，尤其是在切尔诺贝利和福岛事故之后。设计事故耐受燃料（ATF）包层材料是一个关键的解决方案。本综述研究了铁铬铝合金（一种很有前途的 ATF 包层候选材料）在辐照下的发展和行为。铁铬铝合金具有优异的耐高温腐蚀和抗氧化性能，但辐照会显著改变其机械性能。本文综合了有关铁铬铝合金辐照硬化的实验和理论研究，强调位错环和富铬α'析出物是导致硬化的主要因素。报告讨论了成分调整，如添加氧化物分散强化（ODS）材料，并评估了减轻辐照诱发损伤和提高合金性能的先进技术。综述了辐照硬化的理论框架和计算机模拟方法。这篇综述提供了对铁铬铝合金辐照硬化机制的全面理解，并提出了提高核反应堆安全和效率的未来研究方向。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.