Formation of creases on the surfaces of elastomers and gels | Zendy

Wei Hong | Zendy; Xuanhe Zhao | Zendy; Zhigang Suo | Zendy

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Formation of creases on the surfaces of elastomers and gels

Author(s) -

Wei Hong,

Xuanhe Zhao,

Zhigang Suo

Publication year - 2009

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3211917

Subject(s) - elastomer , scaling , materials science , constraint (computer aided design) , swelling , bent molecular geometry , elastic energy , strain energy , composite material , surface energy , perturbation (astronomy) , scaling law , mechanics , mathematics , physics , thermodynamics , geometry , quantum mechanics , finite element method

,Abstract When a block of an elastomer is bent, the compressed surface may form a crease. This paper,analyzes ,the critical condition ,for creasing ,by comparing ,the elastic energy ,in a ,creased body,and that in a ,smooth ,body. This difference in energy ,is expressed ,by a ,scaling relation. Critical conditions,for creasing are determined,for elastomers,subject to general,loads and gels swelling,under ,constraint. The ,theoretical results are compared ,with ,existing experimental observations.

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