Fig. 12 | Scientific Reports

Fig. 12

From: Tunable, permanent and instantly available super-wettability states on metal surfaces by laser texturing and plasma coating

Fig. 12The alternative text for this image may have been generated using AI.

(a) Measured surface roughness Sa of the laser textured copper (Cu) and titanium (Ti) surfaces as a function of scanning speed vx. The roughness of the unprocessed initial surfaces is shown as dotted lines. (b) Measured contact angle of DI water as a function of surface roughness of copper and titanium surfaces textured with different scanning speeds and coated with PTFE. The contact angle area of a superhydrophobic state (θ > 150°) is indicated in green.

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