Adhesion of microcapsules
Peter Graf, Reimar Finken, and Udo Seifert
TL;DR
This paper presents a theoretical study of microcapsule adhesion, solving shape equations numerically to understand how contact radius depends on contact potential strength and elastic parameters.
Contribution
It introduces a universal threshold for adhesion strength and derives scaling functions for contact amplitudes based on elastic parameters.
Findings
Contact radius increases as the square root of potential strength beyond threshold
Universal threshold strength for adhesion identified
Scaling functions relate amplitudes to elastic parameters
Abstract
The adhesion of microcapsules to an attractive contact potential is studied theoretically. The axisymmetric shape equations are solved numerically. Beyond a universal threshold strength of the potential, the contact radius increases like a square root of the strength. Scaling functions for the corresponding amplitudes are derived as a function of the elastic parameters.
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