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Issue 10, 2017
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Precise measurements of capsule mechanical properties using indentation

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Abstract

Application of elastic theory to experimental data of capsule and particle compression under-predicts the value of material properties such as the Young's modulus by up to 100% when the effect of the rigid substrate is neglected, as is commonly done in the literature. Results of numerical simulations, spanning the range from thin-shelled capsules to solid particles, are presented in terms of correction factors that account for the substrate. In addition, the scaling relationship between indentation force and displacement is characterised for arbitrary shell thicknesses and indenter radii.

Graphical abstract: Precise measurements of capsule mechanical properties using indentation

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The article was received on 21 Dec 2016, accepted on 29 Jan 2017 and first published on 31 Jan 2017


Article type: Communication
DOI: 10.1039/C6SM02841A
Citation: Soft Matter, 2017,13, 1943-1947
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    Precise measurements of capsule mechanical properties using indentation

    J. D. Berry, S. Mettu and R. R. Dagastine, Soft Matter, 2017, 13, 1943
    DOI: 10.1039/C6SM02841A

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