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Grain refinement at the nanoscale via mechanical twinning and dislocation interaction in a nickel-based alloy
Tao, NR; Wu, XL; Sui, ML; Lu, J; Lu, K
Corresponding AuthorLu, K(lu@imr.ac.cn)
2004-06-01
Source PublicationJOURNAL OF MATERIALS RESEARCH
ISSN0884-2914
Volume19Issue:6Pages:1623-1629
AbstractA nanostructured surface layer was formed on an Inconel 600 plate by subjecting it to surface mechanical attrition treatment at room temperature. Transmission electron microscopy and high-resolution transmission electron microscopy of the treated surface layer were carried out to reveal the underlying grain refinement mechanism. Experimental observations showed that the strain-induced nanocrystallization in the current sample occurred via formation of mechanical microtwins and subsequent interaction of the microtwins with dislocations in the surface layer. The development of high-density dislocation arrays inside the twin-matrix lamellae provides precursors for grain boundaries that subdivide the nanometer-thick lamellae into equiaxed, nanometer-sized grains with random orientations.
DOI10.1557/JMR.2004.0227
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000222316700006
PublisherCAMBRIDGE UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82415
Corresponding AuthorLu, K
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Met Res Inst, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Mech, State Key Kab Nonlinear Mech, Beijing 100080, Peoples R China
3.Univ Technol Troyes, LASMIS, F-10000 Troyes, France
Recommended Citation
GB/T 7714
Tao, NR,Wu, XL,Sui, ML,et al. Grain refinement at the nanoscale via mechanical twinning and dislocation interaction in a nickel-based alloy[J]. JOURNAL OF MATERIALS RESEARCH,2004,19(6):1623-1629.
APA Tao, NR,Wu, XL,Sui, ML,Lu, J,&Lu, K.(2004).Grain refinement at the nanoscale via mechanical twinning and dislocation interaction in a nickel-based alloy.JOURNAL OF MATERIALS RESEARCH,19(6),1623-1629.
MLA Tao, NR,et al."Grain refinement at the nanoscale via mechanical twinning and dislocation interaction in a nickel-based alloy".JOURNAL OF MATERIALS RESEARCH 19.6(2004):1623-1629.
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