Capillary forces between surfaces with nanoscale roughness

Yakov I. Rabinovich; Joshua J. Adler; Madhavan S. Esayanur; Ali Ata; Rajiv K. Singh; Brij M. Moudgil

doi:10.1016/s0001-8686(01)00082-3

Capillary forces between surfaces with nanoscale roughness

Yakov I. Rabinovich
, Joshua J. Adler
, Madhavan S. Esayanur
, Ali Ata
, Rajiv K. Singh
, Brij M. Moudgil

University of Florida

Research output: Contribution to journal › Review article › peer-review

262 Scopus citations

Abstract

The flow and adhesion behavior of fine powders (approx. less than 10 μm) is significantly affected by the magnitude of attractive interparticle forces. Hence, the relative humidity and magnitude of capillary forces are critical parameters in the processing of these materials. In this investigation, approximate theoretical formulae are developed to predict the magnitude and onset of capillary adhesion between a smooth adhering particle and a surface with roughness on the nanometer scale. Experimental adhesion values between a variety of surfaces are measured via atomic force microscopy and are found to validate theoretical predictions.

Original language	English
Pages (from-to)	213-230
Number of pages	18
Journal	Advances in Colloid and Interface Science
Volume	96
Issue number	1-3
DOIs	https://doi.org/10.1016/s0001-8686(01)00082-3
State	Published - 25 Feb 2002
Externally published	Yes

Funding

The authors acknowledge the financial support of the Engineering Research Center (ERC) for Particle Science and Technology at the University of Florida, The National Science Foundation (NSF) grant No. EEC-94-02989, and the Industrial Partners of the ERC.

Funders
Engineering Research Center
National Science Foundation
University of Florida

Keywords

Adhesion
Atomic force microscope
Capillary
Nanoscale
Relative humidity
Roughness
Surface force

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10.1016/s0001-8686(01)00082-3

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abstract = "The flow and adhesion behavior of fine powders (approx. less than 10 μm) is significantly affected by the magnitude of attractive interparticle forces. Hence, the relative humidity and magnitude of capillary forces are critical parameters in the processing of these materials. In this investigation, approximate theoretical formulae are developed to predict the magnitude and onset of capillary adhesion between a smooth adhering particle and a surface with roughness on the nanometer scale. Experimental adhesion values between a variety of surfaces are measured via atomic force microscopy and are found to validate theoretical predictions.",

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AU - Adler, Joshua J.

AU - Esayanur, Madhavan S.

AU - Ata, Ali

AU - Singh, Rajiv K.

AU - Moudgil, Brij M.

PY - 2002/2/25

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N2 - The flow and adhesion behavior of fine powders (approx. less than 10 μm) is significantly affected by the magnitude of attractive interparticle forces. Hence, the relative humidity and magnitude of capillary forces are critical parameters in the processing of these materials. In this investigation, approximate theoretical formulae are developed to predict the magnitude and onset of capillary adhesion between a smooth adhering particle and a surface with roughness on the nanometer scale. Experimental adhesion values between a variety of surfaces are measured via atomic force microscopy and are found to validate theoretical predictions.

AB - The flow and adhesion behavior of fine powders (approx. less than 10 μm) is significantly affected by the magnitude of attractive interparticle forces. Hence, the relative humidity and magnitude of capillary forces are critical parameters in the processing of these materials. In this investigation, approximate theoretical formulae are developed to predict the magnitude and onset of capillary adhesion between a smooth adhering particle and a surface with roughness on the nanometer scale. Experimental adhesion values between a variety of surfaces are measured via atomic force microscopy and are found to validate theoretical predictions.

KW - Adhesion

KW - Atomic force microscope

KW - Capillary

KW - Nanoscale

KW - Relative humidity

KW - Roughness

KW - Surface force

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JO - Advances in Colloid and Interface Science

JF - Advances in Colloid and Interface Science

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ER -

Capillary forces between surfaces with nanoscale roughness

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