Non-fluorinated superhydrophobic Al7075 aerospace alloy by ps laser processing

Jagdheesh, R.; Hauschwitz, Petr; Mužík, Jiří; Brajer, Jan; Rostohar, Danijela; Jiříček, Petr; Kopeček, Jaromír; Mocek, Tomáš

doi:https://dx.doi.org/10.1016/j.apsusc.2019.07.035

Number of the records: 1

Non-fluorinated superhydrophobic Al7075 aerospace alloy by ps laser processing

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SYSNO ASEP	0518948
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Non-fluorinated superhydrophobic Al7075 aerospace alloy by ps laser processing
Author(s)	Jagdheesh, R. (ES) Hauschwitz, Petr (FZU-D)_ORCID Mužík, Jiří (FZU-D)_ORCID Brajer, Jan (FZU-D)_ORCID Rostohar, Danijela (FZU-D)_ORCID Jiříček, Petr (FZU-D)_{RID, ORCID, SAI} Kopeček, Jaromír (FZU-D)_{RID, ORCID} Mocek, Tomáš (FZU-D)_{RID, ORCID, SAI}
Number of authors	8
Source Title	Applied Surface Science. - : Elsevier - ISSN 0169-4332 Roč. 493, Nov (2019), s. 287-293
Number of pages	7 s.
Language	eng - English
Country	NL - Netherlands
Keywords	ultrahydrophobic ; lotus effec ; rose petal effect ; nanostructures ; laser patterning ; non-fluorination ; nanostructure
Subject RIV	BH - Optics, Masers, Lasers
OECD category	Optics (including laser optics and quantum optics)
R&D Projects	EF15_006/0000674 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
Method of publishing	Limited access
Institutional support	FZU-D - RVO:68378271
UT WOS	000502007800088
EID SCOPUS	85068548910
DOI	10.1016/j.apsusc.2019.07.035
Annotation	The development of non-fluorinated super or ultrahydrophob. aerospace Al alloy(Al7075)surface by las.patterning and high vacuum process for 4h.Lamellar and lotus leaf papillae like struct. covered with nanoscale protrusions are found to be formed depends on the las. fluence and spatial shifts of las. scans.The fresh las. processed hydrophilic surface was vacuum processed to create layer of hydrocarbon to reduce the surface free energy for the wetting property transformation.The analysis of the results shows the synergistic effect of hierarchical structures and dominant presence of non-polar elements is critical for superhydrophobic property.The surface geometry is primarily responsible for the wetting property transformation by entrapping μ-volume of air to generate a composite interface of solid-gas-liquid.Micro and nanoscale(dual scale)surf.struct. are essent. for the durable and consistent superhydrophobic property with high degree of water repellence for bigger vol.of water droplets.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2020
Electronic address	https://doi.org/10.1016/j.apsusc.2019.07.035

Number of the records: 1