Solid-Liquid Work of Adhesion

Rafael Tadmor; Ratul Das; Semih Gulec; Jie Liu; Hartmann E. N’guessan; Meet Shah; Priyanka S Wasnik; Sakshi B. Yadav

doi:10.1021/acs.langmuir.6b04437

Solid-Liquid Work of Adhesion

Rafael Tadmor, Ratul Das, Semih Gulec, Jie Liu, Hartmann E. N’guessan, Meet Shah, Priyanka S Wasnik, Sakshi B. Yadav

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

158 Scopus citations

Abstract

We establish a tool for direct measurements of the work needed to separate a liquid from a solid. This method mimics a pendant drop that is subjected to a gravitational force that is slowly increasing until the solid-liquid contact area starts to shrink spontaneously. The work of separation is then calculated in analogy to Tate’s law. The values obtained for the work of separation are independent of drop size and are in agreement with Dupré’s theory, showing that they are equal to the work of adhesion.

Original language	English
Pages (from-to)	3594-3600
Number of pages	7
Journal	Langmuir
Volume	33
Issue number	15
DOIs	https://doi.org/10.1021/acs.langmuir.6b04437
State	Published - 18 Apr 2017

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/acs.langmuir.6b04437

Cite this

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title = "Solid-Liquid Work of Adhesion",

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AU - Tadmor, Rafael

AU - Das, Ratul

AU - Gulec, Semih

AU - Liu, Jie

AU - E. N’guessan, Hartmann

AU - Shah, Meet

AU - S Wasnik, Priyanka

AU - Yadav, Sakshi B.

PY - 2017/4/18

Y1 - 2017/4/18

N2 - We establish a tool for direct measurements of the work needed to separate a liquid from a solid. This method mimics a pendant drop that is subjected to a gravitational force that is slowly increasing until the solid-liquid contact area starts to shrink spontaneously. The work of separation is then calculated in analogy to Tate’s law. The values obtained for the work of separation are independent of drop size and are in agreement with Dupré’s theory, showing that they are equal to the work of adhesion.

AB - We establish a tool for direct measurements of the work needed to separate a liquid from a solid. This method mimics a pendant drop that is subjected to a gravitational force that is slowly increasing until the solid-liquid contact area starts to shrink spontaneously. The work of separation is then calculated in analogy to Tate’s law. The values obtained for the work of separation are independent of drop size and are in agreement with Dupré’s theory, showing that they are equal to the work of adhesion.

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Solid-Liquid Work of Adhesion

Abstract

ASJC Scopus subject areas

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