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Title:
Self-instability and bending behaviors of nano plates
Author: Wang ZQ(王志乔); Zhao YP(赵亚溥)
Source: Acta Mechanica Solida Sinica
Issued Date: 2009
Volume: 22, Issue:6, Pages:630-643
Abstract: This paper aims at investigating the size-dependent self-buckling and bending behaviors of nano plates through incorporating surface elasticity into the elasticity with residual stress fields. In the absence of external loading, positive surface tension induces a compressive residual stress field in the bulk of the nano plate and there may be self-equilibrium states corresponding to the plate self-buckling. The self-instability of nano plates is investigated and the critical self-instability size of simply supported rectangular nano plates is determined. In addition, the residual stress field in the bulk of the nano plate is usually neglected in the existing literatures, where the elastic response of the bulk is often described by the classical Hooke’s law. The present paper considered the effect of the residual stress in the bulk induced by surface tension and adopted the elasticity with residual stress fields to study the bending behaviors of nano plates without buckling. The present results show that the surface effects only modify the coefficients in corresponding equations of the classical Kirchhoff plate theory.
Language: 英语
Indexed Type: SCI
Corresponding Author: 赵亚溥
Correspondent Email: yzhao@imech.ac.cn
DOC Type: Article
WOS Subject: Materials Science, Multidisciplinary ; Mechanics
WOS Subject Extended: Materials Science ; Mechanics
WOS Keyword Plus: SURFACE STRESS ; SCALE THICKNESS ; ELASTIC FILMS ; THIN-FILMS ; ENERGY ; DEFORMATION ; SOLIDS ; MODEL
WOS ID: WOS:000278405200012
ISSN: 0894-9166
Subject: 固体力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/33032
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
Wang ZQ,Zhao YP. Self-instability and bending behaviors of nano plates[J]. Acta Mechanica Solida Sinica,2009-01-01,22(6):630-643.
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