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  4. A general expression for the maximum force in peeling a tape from a rigid substrate with an initial crack
 
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A general expression for the maximum force in peeling a tape from a rigid substrate with an initial crack

Publikationstyp
Journal Article
Date Issued
2023
Sprache
English
Author(s)
Ciavarella, Michele  
Chen, Shaohua  
Gao, Huajian  
Institut
Strukturdynamik M-14  
TORE-URI
http://hdl.handle.net/11420/13716
Journal
Journal of adhesion  
Volume
99
Issue
6
Citation
Journal of Adhesion 99 (6): 1031-1043 (2023)
Publisher DOI
10.1080/00218464.2022.2074296
Scopus ID
2-s2.0-85130935576
Assuming a Dugdale cohesive zone, recently a simple Euler beam model has been proposed to understand the transient peeling on an elastic film from a rigid substrate at 90° from the substrate. The model also shows with sufficiently high bending stiffness, a peak force emerges larger than the Rivlin–Kendall steady-state value, scaling with the fourth root of bending stiffness. From the maximum force during peeling, and its steady-state value which is given by the Rivlin–Kendall well-known model, a simultaneous characterisation of the most important cohesive properties (cohesive strength and toughness of the interface) is obtained from a single test. This maximum force eventually saturates at a value which depends on cohesive strength alone. The presence of possibly inevitable initial cracks at the edge of the interface obviously reduces the peak force, and here, we give a simple closed-form approximate solution for this case too.
Subjects
adhesion
adhesion by chemical bonding
cohesion
destructive testing
mechanical properties of adhesives
Peeling
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