Ridge localizations and networks in thin films compressed by the incremental release of a large equi-biaxial pre-stretch in the substrate.
basic_science · Level V
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- Record sourced from PubMed, PMID 24687308.
- Also identified by DOI 10.1002/adma.201306162.
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Abstract
Two-dimensional ridge structures are induced by equi-biaxial compression with large equi-biaxial pre-stretch in a thin film by using a micro-fluidics technique. Whereas wrinkles tend to be uniformly distributed, ridges are localized. The wrinkle-to-ridge transition is unstable (subcritical), resulting in large amplitude changes. The nature and morphology of the ridges is studied and quantified by experiments and numerical simulations.