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Investigation of irradiation defects and hardening of cold-worked vanadium alloys
Han, Xuxiao1,2,3,5; Niu, Mengke1; Yang, Yitao1,3; Li, Zengde4; Wang, Tieshan2; Zhang, Chonghong1,3,5
2023-04
Source PublicationFUSION ENGINEERING AND DESIGN   Impact Factor & Quartile
ISSN0920-3796
Volume189
AbstractIrradiation defects of V-5Cr-5Ti alloys with different pre-irradiation treatment after irradiation to 0.5 dpa at 100 degrees C with energetic Fe ions were investigated. For the cold-worked specimens, dislocation loops decrease in size while increasing in number density with the increase of the deformation percentage. For the annealed specimens, dislocation loops have minor difference in size whilst the number density decreases with the increasing defor-mation percentage. Meanwhile, dislocation loops decorating dislocations were observed. The obstacle strength factor (alpha) is calculated according to the dispersion barrier hardening model (DBH). For the cold-worked speci-mens, alpha increases with increasing size of dislocation loops. A linear relation, alpha = 0.075 * d -0.074 is established. At a similar size, dislocation loops in the annealed specimens have a greater alpha than the cold-worked specimens, possibly due to the lock of the tangled network dislocations and/or the hinder of the segmented movement of the tangled network dislocations by dislocation loops.
KeywordDislocation loops DBH model Tangled dislocations Strength factor Dislocation length
PublisherELSEVIER SCIENCE SA
DOI10.1016/j.fusengdes.2023.113490
Indexed BySCIE
Language英语
WOS Research AreaNuclear Science & Technology
WOS SubjectNuclear Science & Technology
WOS IDWOS:000963165900001
Original Document TypeArticle
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/501068
Collection兰州大学
Corresponding AuthorHan, Xuxiao; Zhang, Chonghong
Affiliation
1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China;
2.Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China;
3.Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China;
4.Gen Res Inst Nonferrous Met, Beijing 100088, Peoples R China;
5.Chinese Acad Sci, Inst Modern Phys, 509 Nanchang Rd, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Han, Xuxiao,Niu, Mengke,Yang, Yitao,et al. Investigation of irradiation defects and hardening of cold-worked vanadium alloys[J]. FUSION ENGINEERING AND DESIGN,2023,189.
APA Han, Xuxiao,Niu, Mengke,Yang, Yitao,Li, Zengde,Wang, Tieshan,&Zhang, Chonghong.(2023).Investigation of irradiation defects and hardening of cold-worked vanadium alloys.FUSION ENGINEERING AND DESIGN,189.
MLA Han, Xuxiao,et al."Investigation of irradiation defects and hardening of cold-worked vanadium alloys".FUSION ENGINEERING AND DESIGN 189(2023).
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