关于M5合金燃料包壳表面材料在堆内流致振动下脱落共性问题的研究  

Study on the Common Problem of Surface Material Scaling of M5 Alloy Fuel Cladding under Fluid Vibration in Reactor

作　　者：许友龙 吴彦农 郑丽馨 杨光 XU Youlong;WU Yannong;ZHENG Lixin;YANG Guang(Nuclear and Radiation Safety Center,MEP,Beijing 100082,China;CGN Nuclear Power Operation Co.LTD,Shenzhen 518000,China)

机构地区：[1]生态环境部核与辐射安全中心,北京100082 [2]中广核核电运营有限公司,深圳518000

出　　处：《核电子学与探测技术》2024年第4期721-729,共9页Nuclear Electronics & Detection Technology

摘　　要：M5锆合金包壳是由法国法马通公司设计研发的,目前广泛应用于核电厂AFA-3G等系列的燃料组件。本文分析了国内外核电厂使用M5合金燃料包壳表面材料在堆内流致振动下脱落共性问题的研究现状,包括燃料组件外观检查情况、氧化膜厚度测量情况等,从而得出研究结论并提出合理建议。M5 zirconium alloy cladding is designed and developed by French company Framatome.It is widely used in AFA-3G series fuel for nuclear power plants.In this paper,the research status of the common problems of surface material shedding of M5 alloy fuel cladding in nuclear power plants at home and abroad under flow induced vibration is analyzed,including the appearance inspection of fuel assembly and the measurement of oxide film thickness,so as to draw research conclusions and put forward reasonable suggestions.

关 键 词：M5锆铌合金 氧化膜 脱落 含铁量 

分 类 号：TL48[核科学技术—核技术及应用]