柔性薄板的粘附转变
Adhesion Transition of Flexible Sheets
摘要：
已知分子间力会引起固体之间的粘附事件。受宏观尺度实验的启发，显示了一块柔性胶带在塑料基板上的滞后粘附，我们在这里开发了一个模型，通过幂律势相互作用的两个柔性片之间的远场干粘附。我们发现，从未粘附到粘附状态的相变发生由一个无量纲的弯曲参数表示的相互作用强度弯曲刚度的比率。的顺序的粘合过渡，以及它们的滞后性质，示出依赖于柔性片材之间的相互作用势的形式。当三个或更多个片材相互作用时，额外的几何考虑决定了粘附过渡的层次或顺序性质。
英文摘要：
Intermolecular forces are known to precipitate adhesion events between solid bodies. Inspired by a macro-scale experiment showing the hysteretic adhesion of a piece of flexible tape over a plastic substrate, we develop here a model of far-field dry adhesion between two flexible sheets interacting via a power-law potential. We show that phase transitions from unadhered to adhered states occur as dictated by a dimensionless bending parameter representing the ratio of interaction strength to bending stiffness. The order of the adhesion transitions, as well as their hysteretic nature, is shown to depend on the form of the interaction potential between the flexible sheets. When three or more sheets interact, additional geometrical considerations determine the hierarchical or sequential nature of the adhesion transitions.
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