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    On-Demand Wettability via Combining fs Laser Surface Structuring and Thermal Post-Treatment

    Year: 2022

    Journal: Materials, Volume 15, MAR

    Authors: Cereska, Deividas; Zemaitis, Arnas; Kontenis, Gabrielius; Nemickas, Gedvinas; Jonusauskas, Linas

    Organizations: EC [825512]

    Keywords: femtosecond laser; laser texturing; laser fabrication; wettability; superhydrophobic; superhydrophilic; hydrophobic; hydrophilic; heat treatment; wettability transformation

    Laser surface texturing (LST) is one of the surface modification methods that increase or provide new abilities for the material surface. Textured surfaces could be applied in different industrial areas to reduce wear and friction, promote anti-fouling, improve osseointegration, and other similar uses. However, LST is still in development and for reaching industrial level further optimization is required. In this paper, different metal alloy surfaces were fabricated with several patterns using the same laser parameters on each material and the results were compared. This could lead to possible optimization on the industrial level. Furthermore, research on the wettability properties of material and texture patterns depending on heat treatment in different temperatures was performed, showing complete control for wettability (from hydrophilic to hydrophobic).
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