Journal
JOURNAL OF ADHESION
Volume 81, Issue 7-8, Pages 869-880Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00218460500189489
Keywords
adhesion; drop; particle; penetration; wetting
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The adhesion of spheroidal particles to spherical drops is calculated and discussed in terms of an equilibrium-penetration index. The present study emphasizes the case of particles that are sufficiently large to affect the drop volume upon penetration. It is shown that the more elongated the particles, the steeper the dependence of the penetration index on the contact angle. The effect of line tension on nanoscale particles is considered. Positive line tensions increase the steepness of the dependence of penetration index on contact angle whereas negative line tensions decrease this dependence. In addition, the energy barrier caused by positive line tensions is presented and discussed.
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