期刊
JOURNAL OF CHEMICAL PHYSICS
卷 148, 期 14, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5024038
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资金
- Deutsche Forschungsgemeinschaft (DFG)
- DFG under the reference German Research Foundation DFG [MU 1225/36-1]
I develop a general mean-field theory for the influence of electrostatic attraction between two solids on the contact mechanics. I assume elastic solids with random surface roughness. I consider two cases, namely, with and without an electrically insulating layer between the conducting solids. The former case is important for, e.g., the finger-touch screen interaction. I study how the electrostatic attraction influences the adhesion and friction. For the case of an insulating layer, I find that when the applied nominal contact pressure is relatively small, as the applied voltage increases, there is a sharp increase in the contact area, and hence in the friction, at a critical voltage. Published by AIP Publishing.
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