From elastocapillarity to delamination and cracks

Bico, José

ESPCI, PMMH, Paris, France

Washing our hair teaches us how capillary forces may be strong enough to deform slender structures. Such elasto-capillary interactions are usually considered as a limitation for the development of micro- devices. Conversely capillary forces may be regarded as a useful tool for micro-fabrication. We shall consider how the concepts derived for elasto-capillary systems can be generalized to other surface interactions such as adhesion or fracture. In particular we shall describe different experiments involving delamination and cracks.

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