The Mexican hat effect on the delamination buckling of a compressed thin film

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• 作者：Yin Zhang (1)
  Yun Liu (2)
  
  1. State Key Laboratory of Nonlinear Mechanics (LNM) ; Institute of Mechanics ; Chinese Academy of Sciences ; 100190 ; Beijing ; China
  2. Faculty of Information and Automation ; Kunming University of Science and Technology ; 650051 ; Kunming ; China
  
• 关键词：Buckling ; Delamination ; Elastic foundation ; Thin film ; Compliant substrate
• 刊名：Acta Mechanica Solida Sinica
• 出版年：2014
• 出版时间：December 2014
• 年：2014
• 卷：30
• 期：6
• 页码：927-932
• 全文大小：294 KB
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• 刊物类别：Engineering
• 刊物主题：Theoretical and Applied Mechanics
  Mechanics, Fluids and Thermodynamics
  Engineering Fluid Dynamics
  Numerical and Computational Methods in Engineering
  Chinese Library of Science
  
• 出版者：The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of
• ISSN：1614-3116

文摘

Because of the interaction between film and substrate, the film buckling stress can vary significantly, depending on the delamination geometry, the film and substrate mechanical properties. The Mexican hat effect indicates such interaction. An analytical method is presented, and related dimensional analysis shows that a single dimensionless parameter can effectively evaluate the effect.