IMECH-IR  > 非线性力学国家重点实验室
Buckling behavior of nanowires predicted by a new surface energy density model
Yao Y(姚寅); Chen SH(陈少华); Chen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Source PublicationACTA MECHANICA
2016
Volume227Issue:7Pages:1799-1811
ISSN0001-5970
AbstractThe axial buckling behavior of nanowires is investigated with a new continuum theory, in which the surface effect of nanomaterials is characterized by the surface energy density. Only the surface energy density of bulk materials and the surface relaxation parameter are involved, instead of the surface elastic constants in the classical surface elasticity theory. Two kinds of nanowires with different boundary conditions are discussed. It is demonstrated that the new continuum theory can predict the buckling behavior of nanowires very well. Similar to the prediction of the classical elasticity theory, the critical compressive load of axial buckling of nanowires predicted by the new continuum theory increases with an increasing characteristic length, such as the diameter or height of nanowires. With the same aspect ratio, a nanowire with a rectangular cross section possesses a larger critical buckling load than that with a circular one. However, the surface effect could enhance the critical buckling load not only for a fixed-fixed nanowire but also for a cantilevered one in contrast to the classical elastic model. All the results predicted by the new continuum theory agree well with predictions by the surface elasticity models. The present research not only verifies the validation of the new continuum theory, but also gives a much more convenient characterization of buckling behaviors of nanowires. This should be helpful for the design of nanodevices based on nanomaterials, for example, nanobeams in NEMS or high-precision instruments.
DOI10.1007/s00707-016-1597-2
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000378775700001
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationThe work reported here is supported by NSFC by Grants #11372317, #11125211, #11402270, the Nanoproject (2012CB937500) and the CAS/SAFEA International Partnership Program for Creative Research Teams.
DepartmentLNM仿生材料与固体的微尺度力学
Classification二类
RankingTrue
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59510
Collection非线性力学国家重点实验室
Corresponding AuthorChen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yao Y,Chen SH,Chen, SH . Buckling behavior of nanowires predicted by a new surface energy density model[J]. ACTA MECHANICA,2016,227(7):1799-1811.
APA 姚寅,陈少华,&Chen, SH .(2016).Buckling behavior of nanowires predicted by a new surface energy density model.ACTA MECHANICA,227(7),1799-1811.
MLA 姚寅,et al."Buckling behavior of nanowires predicted by a new surface energy density model".ACTA MECHANICA 227.7(2016):1799-1811.
Files in This Item: Download All
File Name/Size DocType Version Access License
a2016-010.pdf(1598KB)期刊论文作者接受稿开放获取CC BY-NC-SAView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[姚寅]'s Articles
[陈少华]'s Articles
[Chen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.]'s Articles
Baidu academic
Similar articles in Baidu academic
[姚寅]'s Articles
[陈少华]'s Articles
[Chen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[姚寅]'s Articles
[陈少华]'s Articles
[Chen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: a2016-010.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.