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Issue 9, 2016
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Elastic cavitation and fracture via injection

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Abstract

The cavitation rheology technique extracts soft materials mechanical properties through pressure-monitored fluid injection. Properties are calculated from the system's response at a critical pressure that is governed by either elasticity or fracture (or both); however previous elementary analysis has not been capable of accurately determining which mechanism is dominant. We combine analyses of both mechanisms in order to determine how the full system thermodynamics, including far-field compliance, dictate whether a bubble in an elastomeric solid will grow through either reversible or irreversible deformations. Applying these analyses to experimental data, we demonstrate the sensitivity of cavitation rheology to microstructural variation via a co-dependence between modulus and fracture energy.

Graphical abstract: Elastic cavitation and fracture via injection

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Publication details

The article was received on 18 Aug 2015, accepted on 22 Jan 2016 and first published on 25 Jan 2016


Article type: Paper
DOI: 10.1039/C5SM02055G
Citation: Soft Matter, 2016,12, 2557-2566
  • Open access: Creative Commons BY license
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    Elastic cavitation and fracture via injection

    S. B. Hutchens, S. Fakhouri and A. J. Crosby, Soft Matter, 2016, 12, 2557
    DOI: 10.1039/C5SM02055G

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