scholarly journals Interaction Forces between Water Droplets and Solid Surfaces across Air Films

ACS Omega ◽  
2019 ◽  
Vol 4 (15) ◽  
pp. 16674-16682 ◽  
Author(s):  
Yuesheng Gao ◽  
Sunghwan Jung ◽  
Lei Pan
Keyword(s):  
Solid Surfaces ◽  
Water Droplets ◽  
Interaction Forces

Nano and Micro Mechanical Measurement of Interaction Forces Between Solid Surfaces

2006 ◽  
Vol 326-328 ◽  
pp. 1-4
Author(s):  
Kyung Suk Kim
Keyword(s):  
Scale Effects ◽  
Measurement Techniques ◽  
Calibration Method ◽  
Lateral Force ◽  
Solid Surfaces ◽  
Lateral Interaction ◽  
Force Measurements ◽  
Interaction Forces ◽  
Size Scale ◽  
Force Calibration

Two different types of experimental methods have beeen developed for measuring lateral interaction forces between two solid surfaces for nano- and micro-meter scale contacts. One is the type of direct measurement methods which typically utilize AFM instrumentations. In the direct lateral force measurements some size-scale effects are commonly observed due to the effects of adhesion and surface roughness. A recent development of a fine AFM lateral force calibration method, a diamagnetic lateral force calibrator, has made it possible to study such size-scale effects systematically. The other type is the field projection method which requires a high resolution measurement of a deformation field near the edge of a contact. For such measurements a comprehensive map of deformation measurement techniques is introduced in a domain of spatial and strain resolutions. This technique provides a way of assessing the non-uniform distribution of the surface interaction forces for nano and micro-meter scale contacts.

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