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Wettability and friction control of a stainless steel surface by combining nanosecond laser texturing and adsorption of superhydrophobic nanosilica particles [Elektronski vir]Conradi, Marjetka ; Drnovšek, Aljaž ; Gregorčič, Peter, fizikIn this work, we present functionalization of AISI 316 L surfaces by nanosecond Nd:YAG laser texturing and adsorption of superhydrophobic fluoroalkylsilane functionalized 30-nm silica nanoparticles. ... Surface modification by varying the distance between laser-produced micro([micro])-channels leads to different surface roughnesses. After nanosilica coating, the superhydrophilic laser-textured surfaces change into superhydrophobic surfaces with the same [micro] -roughness. A higher [micro] -channel density leads to more hydrophobic surfaces after coating. This enables a study of the combined effect of surface wettability and morphology on the friction coefficient and wear resistance. Experiments were performed in dry and water environments. In the case of dry friction, increased [micro]-roughness leads to a higher friction coefficient, and the water-repellency modification by nanosilica particles has no influence on the tribological behaviour. In contrast, in the water environment, the wettability presents an important contribution to the properties of contact surfaces: hydrophobic surfaces exhibit a lower friction coefficient, especially at higher densities of [micro] -channels. Energy-dispersive X-ray spectroscopy analysis of surfaces before and after the tribological experiments is performed, revealing the difference in weight % of Si in the worn surface compared to the unworn surface, which varies according to the nature of the surface morphology due to laser texturing in both dry and water environments.Vir: Scientific reports [Elektronski vir]. - ISSN 2045-2322 (Vol. 8, May 2018, f. 1-9)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2018Jezik - angleškiCOBISS.SI-ID - 16039707
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Conradi, Marjetka | 19165 |
Drnovšek, Aljaž | 35463 |
Gregorčič, Peter, fizik | 29224 |
Vir: Osebne bibliografije
in: SICRIS
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