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Atomistic Insights into the Irradiation Resistance of Co-Free High Entropy Alloy FeMnNiCr

文献类型：期刊论文

作者Wang, Chunhui4; Guo, Lei4; Li, Rui4; Peng Q(彭庆)1,2,3
刊名ACTA METALLURGICA SINICA-ENGLISH LETTERS
出版日期2024-06-28
页码10
关键词High entropy alloys Displacement cascade Irradiation defects Molecular dynamics
ISSN号1006-7191
DOI10.1007/s40195-024-01738-5
通讯作者Li, Rui(lirui@ustb.edu.cn) ; Peng, Qing(pengqing@imech.ac.cn)
英文摘要We have investigated the displacement cascade irradiation resistance behavior of a cobalt-free high entropy alloy FeMnNiCr using molecular dynamics simulations. The results show that defects in FeMnNiCr form in small clusters, and their migration is significantly inhibited, leading to a higher defect recombination rate and a lower number of residual defects compared to Ni. Additionally, FeMnNiCr exhibits a longer thermal peak life and lower thermal conductivity compared to Ni, providing a longer time for defect migration and combining. The migration of defect clusters in FeMnNiCr displays three-dimensional properties, attributed to its high chemical disorder. After prolonged irradiation, defects in FeMnNiCr stabilize as small clusters, whereas point defects in Ni tend to form large defect clusters and evolve into dislocations. Considering the feature of absence of the element cobalt, our results imply that FeMnNiCr has great potential in application in nuclear energies.
分类号二类
WOS关键词RADIATION-INDUCED SEGREGATION ; DEFECT EVOLUTION ; MECHANICAL-PROPERTIES ; ENERGY-DISSIPATION ; CHEMICAL DISORDER ; ION-IRRADIATION ; BEHAVIOR ; MIGRATION ; CLUSTERS ; COPPER
资助项目Fundamental Research Funds for the Central Universities[FRF-IDRY-20-008] ; National Natural Science Foundation of China[12272378] ; High-level Innovation Research Institute Program of Guangdong Province[2020B0909010003] ; LiYing Program of the Institute of Mechanics, Chinese Academy of Sciences[E1Z1011001]
WOS研究方向Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:001258610500002
资助机构Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; High-level Innovation Research Institute Program of Guangdong Province ; LiYing Program of the Institute of Mechanics, Chinese Academy of Sciences
其他责任者Li, Rui ; Peng, Qing
源URL[http://dspace.imech.ac.cn/handle/311007/95906]  
专题力学研究所_非线性力学国家重点实验室
作者单位1.Guangdong Aerosp Res Acad, Guangzhou 511458, Peoples R China
2.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China;
3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
4.Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China;
推荐引用方式
GB/T 7714		 Wang, Chunhui,Guo, Lei,Li, Rui,et al. Atomistic Insights into the Irradiation Resistance of Co-Free High Entropy Alloy FeMnNiCr[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2024:10.
APA Wang, Chunhui,Guo, Lei,Li, Rui,&彭庆.(2024).Atomistic Insights into the Irradiation Resistance of Co-Free High Entropy Alloy FeMnNiCr.ACTA METALLURGICA SINICA-ENGLISH LETTERS,10.
MLA Wang, Chunhui,et al."Atomistic Insights into the Irradiation Resistance of Co-Free High Entropy Alloy FeMnNiCr".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2024):10.

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来源：力学研究所

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