| Issue |
MATEC Web Conf.
Volume 84, 2016
International Symposium and School of Young Scientists “Interfacial Phenomena and Heat Transfer” (IPHT 2016)
|
|
|---|---|---|
| Article Number | 00019 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/matecconf/20168400019 | |
| Published online | 16 November 2016 | |
Contact angle hysteresis of a drop spreading over metal surfaces
1 National Research Tomsk Polytechnic University, 30, Lenin Ave, 634050, Tomsk, Russia
2 Institute of Thermophysics SB RAS, 1, Lavrentiev Ave, 63090, Novosibirsk, Russia
a Corresponding author: lafleur@tpu.ru
The paper presents experimental data on the contact angle hysteresis of the distilled water drop spreading over the surfaces of non-ferrous metals. The measurements of the advancing and receding contact angles were carried out by method of sitting drop on the horizontal surface during increasing and decreasing drop volume with a syringe pump. It was found that the contact line speed has a great influence on the hysteresis of the polished non-elastic substrates. The mechanism of spreading was described using the balance of the forces from the physical point of view.
© The Authors, published by EDP Sciences, 2016
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