A general expression for the maximum force in peeling a tape from a rigid substrate with an initial crack
JOURNAL OF ADHESION(2023)
摘要
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 degrees 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.
更多查看译文
关键词
Peeling, adhesion, cohesion, destructive testing, adhesion by chemical bonding, mechanical properties of adhesives
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要