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[1]郑小涛,张 亮,戴耀南*. 高温液态铅铋腐蚀环境下堆芯构件的机械性能研究进展 [J].武汉工程大学学报,2025,47(03):315-324.[doi:10.19843/j.cnki.CN42-1779/TQ.202405007]
　ZHENG Xiaotao,ZHANG Liang,DAI Yaonan*. Research progress on mechanical properties of core components in high-temperature liquid lead-bismuth corrosion environments [J].Journal of Wuhan Institute of Technology,2025,47(03):315-324.[doi:10.19843/j.cnki.CN42-1779/TQ.202405007]
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高温液态铅铋腐蚀环境下堆芯构件的机械性能研究进展
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
47
期数:
2025年03期
页码:
315-324
栏目:
智能制造
出版日期:
2025-06-30

文章信息/Info

Title:
Research progress on mechanical properties of core components in high-temperature liquid lead-bismuth corrosion environments
文章编号:
1674 - 2869（2025）03 - 0315 - 10
作者:
1. 武汉工程大学机电工程学院，湖北 武汉 430205；
2. 湖北省绿色化工装备工程技术研究中心(武汉工程大学)，湖北 武汉 430205
Author(s):
1. School of Mechanical and Electrical Engineering, Wuhan Institute of Technology, Wuhan 430205, China;
2. Hubei Provincial Engineering Technology Research Center of Green Chemical Equipment(Wuhan Institute of Technology), Wuhan 430205, China
关键词:
Keywords:
分类号:
TL34
DOI:
10.19843/j.cnki.CN42-1779/TQ.202405007
文献标志码:
A
摘要:
作为最有发展前景的第四代核能技术，铅冷快堆（LFR）虽已累积近百堆年的运行经验，但仍面临长周期运行条件下堆芯构件高温液态金属腐蚀与结构完整性评价等诸多挑战，成为制约民用LFR技术发展的主要瓶颈之一。为保证控氧液态铅铋共晶(LBE)环境下LFR堆芯构件完整性，针对LFR候选材料在高温LBE环境下的抗腐蚀效应成为研究重点。本文聚焦奥氏体及马氏体不锈钢等堆芯主体材料，综合分析并概述了这些材料在高温LBE环境下的腐蚀机理，以及拉伸-蠕变-疲劳等机械性能的变化规律，总结提出了部分材料的腐蚀速率预测模型，以补充LFR堆芯构件在高温LBE环境下的腐蚀效应的评价方法和标准。面向液态LBE加速奥氏体不锈钢蠕变和疲劳开裂的微观机理及其交互作用机制的研究，将进一步丰富和完善LFR技术的评价体系。
Abstract:
As the most promising fourth-generation nuclear energy technology, lead-cooled fast reactors (LFR), having being in operation for nearly a century, still face significant challenges including high-temperature liquid metal corrosion of core components and structural integrity evaluation under long-term operating conditions, which constitute one of the major bottlenecks hindering the development of civilian LFR technology. To ensure the integrity of LFR core components in an oxygen-controlled liquid lead-bismuth eutectic (LBE) environment, the corrosion resistance of candidate materials for LFR in high-temperature LBE environments has become a research focus. This paper focuses on the core materials such as austenitic and martensitic stainless steels, comprehensively analyzes and summarizes their corrosion mechanisms in high-temperature LBE environments, as well as the variation patterns of mechanical properties such as tensile, creep, and fatigue, and proposes a corrosion rate prediction model for some materials to complement the evaluation methods and standards for the corrosion effects of LFR core components in high-temperature LBE environments. Studies on the micro-mechanisms and interaction mechanisms of creep-fatigue cracking in austenitic stainless steels accelerated by LBE will further enrich and refine the evaluation system for LFR technology.

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相似文献/References:

备注/Memo

备注/Memo:
收稿日期：2024-05-12
基金项目：国家自然科学基金(52275159)；湖北省杰出青年自然科学基金(2022CFA059)；武汉工程大学第十五届研究生教育创新基金（CX2023220）
作者简介：郑小涛，博士，教授。Email：xiaotaozheng@163.com
*通信作者：戴耀南，博士，讲师。Email：dyn1121758919@163.com
引文格式：郑小涛，张亮，戴耀南. 高温液态铅铋腐蚀环境下堆芯构件的机械性能研究进展［J］. 武汉工程大学学报，2025，47（3）：315-324.
更新日期/Last Update: 2025-07-09