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Characterizing the interactions of edge dislocation dipole in hexagonal close packed Ti-Al alloys
Wu, Hao; Leng, Jinfeng; Teng, Xinying; Su, Tao; Li, Qinggang; Li, Jinkai; Wu, Junyan; Xu, Daokui; Zhu, Yongchang
2019-02-15
Source PublicationMATERIALS & DESIGN
ISSN0264-1275
Volume164
AbstractThe aim of the present work is to elucidate the interaction between dislocation dipoles decorated by trace addition of solute atoms in themodelmaterial of as-annealed coarse-grained Ti-3Al (weight percent, wt%) alloys. The morphology, activity, structure, strain field, and interaction of dislocation cores were systematically characterized. Theoretical predictions of equilibrium distribution of edge dislocation dipoles presenting an angle of 45 degrees relative to each other were experimentally demonstrated. More importantly, we observed for the first time the 45 degrees-rotating of strain fields around the dislocation core along a clockwise direction for stress equilibrium which is driven by the dislocation-dislocation interactions. (C) 2018 Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.
KeywordTitanium alloys Homogenization/solutionization Strengthening Crystal defects High-resolution electron microscopy (HREM)
Indexed BySCI
Language英语
WOS IDWOS:000455433700014
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81370
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wu, Hao,Leng, Jinfeng,Teng, Xinying,et al. Characterizing the interactions of edge dislocation dipole in hexagonal close packed Ti-Al alloys[J]. MATERIALS & DESIGN,2019,164.
APA Wu, Hao.,Leng, Jinfeng.,Teng, Xinying.,Su, Tao.,Li, Qinggang.,...&Zhu, Yongchang.(2019).Characterizing the interactions of edge dislocation dipole in hexagonal close packed Ti-Al alloys.MATERIALS & DESIGN,164.
MLA Wu, Hao,et al."Characterizing the interactions of edge dislocation dipole in hexagonal close packed Ti-Al alloys".MATERIALS & DESIGN 164(2019).
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