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Annihilation of persistent slip bands and its effect on the fatigue life of copper single crystals
Li, SX; Li, MY; Zhu, R; Chao, YS
Corresponding AuthorLi, SX(shxli@imr.ac.cn)
2004-11-01
Source PublicationPHILOSOPHICAL MAGAZINE
ISSN1478-6443
Volume84Issue:31Pages:3323-3334
AbstractIn single-slip-oriented copper single crystals, which were cyclically deformed under constant plastic shear strain amplitude control, a persistent slip band (PSB) was initiated on the persistent slip line (PSL) that first formed in the matrix vein dislocation structure. During intermediate temperature recovery (ITR) treatment in vacuum at 245 to 400degreesC, the variations in dislocation configurations and other defects of fatigued specimens were studied by using the scanning electron microscopy (SEM) electron channelling contrast (ECC) and the positron annihilation life (PAL) techniques. The results show that the ladders in the PSBs became curved and broken, or escaped locally until the PSBs disappeared completely during ITR treatment. The annihilation of the PSBs and other dislocation structures in the fatigued specimens prolonged the fatigue life to a certain extent.
DOI10.1080/14786430412331283055
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Mechanics ; Metallurgy & Metallurgical Engineering ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Mechanics ; Metallurgy & Metallurgical Engineering ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000224898400002
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81886
Corresponding AuthorLi, SX
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Northeastern Univ, Dept Phys Mat, Shenyang 110004, Peoples R China
Recommended Citation
GB/T 7714
Li, SX,Li, MY,Zhu, R,et al. Annihilation of persistent slip bands and its effect on the fatigue life of copper single crystals[J]. PHILOSOPHICAL MAGAZINE,2004,84(31):3323-3334.
APA Li, SX,Li, MY,Zhu, R,&Chao, YS.(2004).Annihilation of persistent slip bands and its effect on the fatigue life of copper single crystals.PHILOSOPHICAL MAGAZINE,84(31),3323-3334.
MLA Li, SX,et al."Annihilation of persistent slip bands and its effect on the fatigue life of copper single crystals".PHILOSOPHICAL MAGAZINE 84.31(2004):3323-3334.
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