Artículos de revistas
Floating liquid bridge tensile behavior: Electric-field-induced Young's modulus measurements
Registration in:
Applied Physics Letters. Amer Inst Physics, v. 103, n. 25, 2013.
0003-6951
1077-3118
WOS:000329973800024
10.1063/1.4853955
Author
Teschke, O
Soares, DM
Valente, JF
Institutions
Abstract
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) A floating bridge is formed spontaneously when high voltage is applied to polar fluids in two capillary tubes that were in contact and then separated. This bridge bends under its own weight, and its bending profile was used to calculate its Young's modulus. For electric field intensities of similar to 10(6) V/m, water bridges exhibit viscoelastic behavior, with Young's moduli of similar to 24MPa; dimethylsulfoxide (DMSO) bridges exhibited Young's moduli of similar to 60 kPa. The scheme devised to measure the voltage drop across the water bridge for high voltages applied between the electrodes shows that the bulk water resistance decreases with increasing voltage. (C) 2013 AIP Publishing LLC. 103 25 Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) CNPq [301.282/2009-9]