Superhydrophobic and superoleophobic surface by electrodeposition on magnesium alloy substrate: Wettability and corrosion inhibition

Insights into the wettability transition of nanosecond laser ablated surface under ambient air exposure

“…When a droplet beads up with water contact angle (WCA) over 150°, the solid surface is defined as super-hydrophobic with the lotus effect (i.e., rolling angle (RA) less than 10°) or the pinning effect (i.e., no RA or RA greater than 10°) [5]. Many approaches have been developed for the fabrication of super-hydrophobic surfaces, such as thermal embossing [6], sol-gel [7], chemical etching [8], electrodeposition [9] and chemical vapor deposition [10]. However, these techniques are limited due to their complicated processes, high cost and poor mechanical properties of the surface structures.…”

Super-Amphiphobic Coating System Incorporating Functionalized Nano-Al2O3 in Polyvinylidene Fluoride (PVDF) with Enhanced Corrosion Resistance

“…In addition to the low surface energy of the material, surface roughness and re-entrant structure are essential to achieve amphiphobicity. Surface roughness is associated with hydrophobicity and can be attained by introducing solid materials such as nickel [8], graphene [9,10], cerium [11], and metal oxides such as TiO 2 , SiO 2 , and Al 2 O 3 . Although SiO 2 is the more common material [12][13][14][15], Al 2 O 3 has also been used since it is harder compared to SiO 2 and mostly used to improve the scratch and abrasion resistance [16].…”

Superhydrophobic Silane/Fluorinated Attapulgite@SiO2 Composite Coatings on Magnesium Alloy for Corrosion Protection

“…[4][5] A rough surface and low surface energy are the two key elements for designing superhydrophobic surface. Up to now, numerous methods of constructing superhydrophobic surface on magnesium alloys have been proposed, such as electrodeposition, [6][7][8][9][10][11][12] micro-arc oxidation, [13][14][15] chemical conversion treatment, [2,16] hydrothermal method, [17][18][19][20][21][22] immersion method, [23,24] laser ablation, [25] electroless plating, [26] dip coating, [27] spray coating, [28,29] et al Among these various methods, spray-coating technique is a fast, facile method to fabricate coatings on a large-scale, which has been widely used in industry for coating complex shapes on different substrates. [28,29] Organosiloxane is a promising candidate for the preparation of wear-resistant superhydrophobic materials due to its polymerization to enhance the mechanical durability and strong adhesion to the substrate.…”