Abstract
The stiction of a thin plate induced by the capillary force has attracted much attention in the broad range of applications. A novel method is presented to calculate the capillary adhesion problem of the plate through analytical method. The expressions of the surface energy, the strain energy and the total potential energy of the plate–substrate system have been analyzed and delineated. By means of continuum mechanics and the principle of minimum potential energy, the governing equation of the plate with an arbitrary shape and the corresponding transversality boundary condition due to the moving bound have been derived. Then the critical adhesion radius of the circular plate has been solved according to the supplementary transversality condition. Thus the deflections of the plates are analytically calculated with different critical adhesion radii. The results may be beneficial to the engineering application and the micro/nano-measurement.
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The project was supported by Scientific Research Foundation of China University of Petroleum (Y081513), National Natural Science Foundation of China (10802099) and Doctoral Fund of Ministry of Education of China (200804251520).
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Liu, J.L. Theoretical analysis on capillary adhesion of microsized plates with a substrate. Acta Mech Sin 26, 217–223 (2010). https://doi.org/10.1007/s10409-009-0318-7
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DOI: https://doi.org/10.1007/s10409-009-0318-7