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Formation of < 100 > dislocation loop in bcc-Fe via the ternary loop reaction

文献类型：期刊论文

作者Wang, Xiaoyang1; Gao, Ning2; Wang, Yinan1; Wu, Xiaoyu1; Shu, Guogang3; Li, Chengliang3; Li, Qiulin4; Xu, Ben1; Liu, Wei1
刊名SCRIPTA MATERIALIA
出版日期2019-03-15
卷号162页码:204-208
关键词Defect evolution Dislocation loop Irradiation effect Molecular dynamics
ISSN号1359-6462
DOI10.1016/j.scriptamat.2018.11.002
英文摘要In nuclear power plants, body centered cubic (bcc) iron-based alloys are used widely and their mechanical properties are degraded significantly because of irradiation-induced defects. The prevalence of the < 100 > dislocation loops contradicts the rigorous condition for their formation. In this study, we report the process responsible for the formation of the < 100 > dislocation loop, which involves a 1/2 < 111 > loop with a pre-existing sessile complex or simply three differently oriented 1/2 < 111 > dislocation loops. The formation of the < 100 > loop via the tri-loop mechanism has a very low energy barrier and is favored over the formation of the 1/2 < 111 > dislocation loop. (C) 2018 Published by Elsevier Ltd on behalf of Acta Materialia Inc.
WOS关键词INTERATOMIC POTENTIALS ; INTERSTITIAL CLUSTERS ; IRRADIATION DAMAGE ; CR ; ENERGY ; ORIGIN ; IRON
资助项目National Natural Science Foundation of China[11675230] ; National Natural Science Foundation of China[11375242] ; National Natural Science Foundation of China[51301094]
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000457664900044
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Natural Science Foundation of China
源URL[http://119.78.100.186/handle/113462/65887]  
专题中国科学院近代物理研究所
作者单位1.Tsinghua Univ, Sch Mat Sci & Engn, Beijing 100084, Peoples R China
2.Inst Modern Phys, Lab Adv Nucl Mat, 509 NanChang Rd, Lanzhou 730000, Gansu, Peoples R China
3.China Nucl Power Engn Co Ltd, State Key Lab Nucl Power Safety Monitoring Techno, Shenzhen 518172, Peoples R China
4.Tsinghua Univ, Grad Sch Shenzhen, Shenzhen 518055, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Xiaoyang,Gao, Ning,Wang, Yinan,et al. Formation of < 100 > dislocation loop in bcc-Fe via the ternary loop reaction[J]. SCRIPTA MATERIALIA,2019,162:204-208.
APA Wang, Xiaoyang.,Gao, Ning.,Wang, Yinan.,Wu, Xiaoyu.,Shu, Guogang.,...&Liu, Wei.(2019).Formation of < 100 > dislocation loop in bcc-Fe via the ternary loop reaction.SCRIPTA MATERIALIA,162,204-208.
MLA Wang, Xiaoyang,et al."Formation of < 100 > dislocation loop in bcc-Fe via the ternary loop reaction".SCRIPTA MATERIALIA 162(2019):204-208.

入库方式： OAI收割

来源：近代物理研究所

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