IMECH-IR  > 力学所知识产出(1956-2008)
Fabrication and nanostructured surface layers of Al alloy by surface vibrational mechanical attrition
Wu XL(武晓雷); Hong YS(洪友士); Lu J; Lu K; Wu, X (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China.
Source PublicationSURFACE ENGINEERING 2001 - FUNDAMENTALS AND APPLICATIONS
2001
Conference NameSymposium on Advances in Surface Engineering - Fundamentals and Applications held at the 2001 MRS Fall Meeting
Conference DateNOV 26-29, 2001
Conference PlaceBOSTON, MA
AbstractNanograins were introduced into the surface layers of an Al-alloy during surface vibrational mechanical attrition. Transmission electron microscopy revealed that microstructures developed with an increase in strain, in the following sequence, i.e., lamellar microbands of elongated subgrains, equiaxed submicro-, and nano-grains respectively. The grain subdivision into the subgrains was found to be the main mechanism responsible for grain refinement. The simultaneous evolution of high boundary misorientations was ascribed to the boundary rotation for accommodating further strains. Results showed that the grains could refine remarkably into the nanometer regime (<100 nm) within the outer surface of the layer. The depth of the nanocrystal layers increased and the grain size decreased with the extension of processing time. The nanocrystal layers evidenced an increase in hardness.
WOS IDWOS:000178303600049
ISBN1-55899-633-8
Indexed ByCPCI-S
Language英语
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58957
Collection力学所知识产出(1956-2008)
Corresponding AuthorWu, X (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Wu XL,Hong YS,Lu J,et al. Fabrication and nanostructured surface layers of Al alloy by surface vibrational mechanical attrition[C]SURFACE ENGINEERING 2001 - FUNDAMENTALS AND APPLICATIONS,2001.
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