MECHANICS ANALYSIS OF TWO-DIMENSIONALLY PRESTRAINED ELASTOMERIC THIN FILM FOR STRETCHABLE ELECTRONICS

查看全文 作　　者：Ming [1,2]Li;JianUang [3]Xiao;Jian [2]Wu;Rak-Hwan [3]Kim;Zhan [1]Kang;Yonggang [2]Huang;John A. [3]Rogers

机构地区：[1]State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China;[2]Departments of Civil and Environmental Engineering and Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA;[3]Department of Materials Science and Engineering, Beckman Institute for Advanced Science and Technology, and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA

出　　处：《Acta Mechanica Solida Sinica》索引2010年第23卷第6期,共8页

基　　金：Project supported by the NSF (Nos.DMI-0328162 and ECCS-0824129);the support from NSFC;the support from China Scholarship Council 摘　　要：Various methods have been developed to fabricate highly stretchable electronics.Recent studies show that over 100% two dimensional stretchability can be achieved by mesh structure of brittle functioning devices interconnected with serpentine bridges.Kim et al show that pressing down an inflated elastomeric thin film during transfer printing introduces two di-mensional prestrain,and therefore further improves the system stretchability.This paper gives a theoretical study of this process,through both analytical and numerical approaches.Simple analytical solutions are obtained for meridional and circumferential strains in the thin film,as well as the maximum strain in device islands,which all agree reasonably well with finite element analysis. 关键词：双向拉伸电子产品预应变薄膜力学分析弹性体维度有限元分析

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MECHANICS ANALYSIS OF TWO-DIMENSIONALLY PRESTRAINED ELASTOMERIC THIN FILM FOR STRETCHABLE ELECTRONICS

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