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|Title:||Instability pathways of hydrogel microlenses under concentrated loadings|
|Citation:||Zhang, X.X., Zeng, K.Y., Li, J., Zhang, Y.W. (2009). Instability pathways of hydrogel microlenses under concentrated loadings. Journal of Applied Physics 106 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3186045|
|Abstract:||We investigate the mechanical instabilities of hydrogel microlenses triggered by concentrated loadings. Depending on hydrogel microlenses, geometries, and loading conditions, a series of nontrivial instability pathways is observed, including transitions of localized polyhedral faceted shapes with multifold vertices created by bifurcation, snapping through curvature inversion and large load drop, and wrinkling driven by combined in-plane stretching and compression. These pathways reveal the richness of the mechanical behavior of hydrogel microlenses and provide potential strategies to control the design and shape of complex hydrogel microlenses. © 2009 American Institute of Physics.|
|Source Title:||Journal of Applied Physics|
|Appears in Collections:||Staff Publications|
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