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Influence of surface tension in the surfactant-driven fracture of closely-packed particulate monolayers.

Publication ,  Journal Article
Peco, C; Chen, W; Liu, Y; Bandi, MM; Dolbow, JE; Fried, E
Published in: Soft matter
September 2017

A phase-field model is used to capture the surfactant-driven formation of fracture patterns in particulate monolayers. The model is intended for the regime of closely-packed systems in which the mechanical response of the monolayer can be approximated as that of a linearly elastic solid. The model approximates the loss in tensile strength of the monolayer with increasing surfactant concentration through the evolution of a damage field. Initial-boundary value problems are constructed and spatially discretized with finite element approximations to the displacement and surfactant damage fields. A comparison between model-based simulations and existing experimental observations indicates a qualitative match in both the fracture patterns and temporal scaling of the fracture process. The importance of surface tension differences is quantified by means of a dimensionless parameter, revealing thresholds that separate different regimes of fracture. These findings are supported by newly performed experiments that validate the model and demonstrate the strong sensitivity of the fracture pattern to differences in surface tension.

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Published In

Soft matter

DOI

EISSN

1744-6848

ISSN

1744-683X

Publication Date

September 2017

Volume

13

Issue

35

Start / End Page

5832 / 5841

Related Subject Headings

  • Chemical Physics
  • 51 Physical sciences
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences
  • 02 Physical Sciences
 

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Peco, C., Chen, W., Liu, Y., Bandi, M. M., Dolbow, J. E., & Fried, E. (2017). Influence of surface tension in the surfactant-driven fracture of closely-packed particulate monolayers. Soft Matter, 13(35), 5832–5841. https://doi.org/10.1039/c7sm01245d
Peco, Christian, Wei Chen, Yingjie Liu, M. M. Bandi, John E. Dolbow, and Eliot Fried. “Influence of surface tension in the surfactant-driven fracture of closely-packed particulate monolayers.Soft Matter 13, no. 35 (September 2017): 5832–41. https://doi.org/10.1039/c7sm01245d.
Peco C, Chen W, Liu Y, Bandi MM, Dolbow JE, Fried E. Influence of surface tension in the surfactant-driven fracture of closely-packed particulate monolayers. Soft matter. 2017 Sep;13(35):5832–41.
Peco, Christian, et al. “Influence of surface tension in the surfactant-driven fracture of closely-packed particulate monolayers.Soft Matter, vol. 13, no. 35, Sept. 2017, pp. 5832–41. Epmc, doi:10.1039/c7sm01245d.
Peco C, Chen W, Liu Y, Bandi MM, Dolbow JE, Fried E. Influence of surface tension in the surfactant-driven fracture of closely-packed particulate monolayers. Soft matter. 2017 Sep;13(35):5832–5841.
Journal cover image

Published In

Soft matter

DOI

EISSN

1744-6848

ISSN

1744-683X

Publication Date

September 2017

Volume

13

Issue

35

Start / End Page

5832 / 5841

Related Subject Headings

  • Chemical Physics
  • 51 Physical sciences
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences
  • 02 Physical Sciences