The stress-strain relationship of liquid marbles under compression | Zendy

Hasitha-Nayanajith Polwaththe-Gallage | Zendy; Chin Hong Ooi | Zendy; Jing Jin | Zendy; Emilie Sauret | Zendy; NamTrung Nguyen | Zendy; Zirui Li | Zendy; Yuantong Gu | Zendy

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The stress-strain relationship of liquid marbles under compression

Author(s) -

Hasitha-Nayanajith Polwaththe-Gallage,

Chin Hong Ooi,

Jing Jin,

Emilie Sauret,

NamTrung Nguyen,

Zirui Li,

Yuantong Gu

Publication year - 2019

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.5079438

Subject(s) - materials science , elasticity (physics) , compression (physics) , stress–strain curve , composite material , stress (linguistics) , strain (injury) , deformation (meteorology) , medicine , philosophy , linguistics

Liquid marbles can be characterized using elastic solid models consisting of a liquid surrounded by a soft solid membrane. The elastic properties of liquid marbles determine the amount of compression under a given external force. This is an important property as the elasticity of liquid marbles determines their morphology under a given stress. We show that the stress-strain relationship of liquid marbles can be described by σ∗Bo=0.6[1/(1−ehro)2−1], where Bo is the Bond number, σ* is the normalised stress, and ehr0 is the strain measured with respect to the equivalent radius of the liquid marble. This stress-strain relationship could pave the way for the development of microfluidic devices with robust liquid marbles.

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