摘要
随着商用反应堆对长周期、高燃耗需求的日益提升,燃料芯块将面临更加严苛的服役条件。如何进一步提高二氧化铀燃料的物理化学性能是开发新型核燃料元件亟待解决的关键技术问题。本文基于近年来在掺杂燃料芯块领域最新研究进展,系统总结并讨论了掺杂元素类型及其对二氧化铀燃料芯块性能的影响机理,阐述了掺杂燃料微观组织与性能之间的内在联系,指出当前该研究领域仍存在的科学/技术问题以及掺杂二氧化铀的发展趋势,为改善燃料芯块安全性能的设计提供重要的理论参考。
With the increasing demand of long period and high fuel consumption in commercial reactors, fuel pellets has to face more severe service conditions. How to further improve the properties of uranium dioxide fuel is the key problem in the development of new nuclear fuel elements. Based on the progress in doped fuel pellets in recent years, this paper systematically discussed the types of doped elements and their influence on the performance of uranium dioxide fuel pellets, expounded the relationship between the microstructure and performance of doped fuel, and pointed out the existing problems and development trend for doped uranium dioxide fuel. The results provide valuable references for promoting the safety performance of fuel pellets.
作者
刘帅
郭子萱
辛勇
王浩煜
刘仕超
包宏伟
马飞
Liu Shuai;Guo Zixuan;Xin Yong;Wang haoyu;Liu Shichao;Bao Hongwei;Ma Fei(College of Sciences,Xi’an Shiyou University,Xi’an 710065,China;Science and Technology on Reactor System Design Technology Laboratory,Nuclear Power Institute of China,Chengdu 610041,China;School of Materials Science and Engineering,Xi’an Jiaotong University,Xi’an 710049,China)
出处
《稀有金属材料与工程》
SCIE
EI
CAS
CSCD
北大核心
2021年第2期725-732,共8页
Rare Metal Materials and Engineering
基金
国家自然科学基金(11947112,51771144)
陕西省自然科学基金(2019TD-020,2019JLM-30,2017JZ015)
陕西省教育厅专项科研计划(19JK0656)。
