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Dislocation evolution in twins of cyclically deformed copper
Guo, XL; Lu, L; Li, SX
Corresponding AuthorLu, L()
2005-12-01
Source PublicationPHILOSOPHICAL MAGAZINE LETTERS
ISSN0950-0839
Volume85Issue:12Pages:613-623
AbstractThe evolution of dislocation structure in twins of different thicknesses has been investigated in polycrystalline copper fatigued at room temperature under constant plastic axial strain amplitude control. The dislocation structure and its evolution strongly depend on twin thickness. Three critical thicknesses must be distinguished, i.e. (i) characteristic size of fatigue dislocation structures, about 1 mm; (ii) critical height of stable dislocation wall structure, about 200 nm; (iii) critical spacing of dislocation dipole, about 20 nm. It is considered that the size effect is mainly caused by twin boundaries (TBs) which play different roles on slip behaviors in twins.
DOI10.1080/09500830500437450
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000234228400001
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82700
Corresponding AuthorLu, L
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Guo, XL,Lu, L,Li, SX. Dislocation evolution in twins of cyclically deformed copper[J]. PHILOSOPHICAL MAGAZINE LETTERS,2005,85(12):613-623.
APA Guo, XL,Lu, L,&Li, SX.(2005).Dislocation evolution in twins of cyclically deformed copper.PHILOSOPHICAL MAGAZINE LETTERS,85(12),613-623.
MLA Guo, XL,et al."Dislocation evolution in twins of cyclically deformed copper".PHILOSOPHICAL MAGAZINE LETTERS 85.12(2005):613-623.
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