Fabrication and tribological behavior of superhydrophobic zinc surface based on oleic acid

Wan, Yong; Wang, Zhongqian; Zhen, Xu; Yu, Laigui; Qi, Caixia

doi:10.1016/j.tsf.2011.09.054

Cited by 2 publications

(2 citation statements)

References 33 publications

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“…A facile production of inexpensive, non-toxic water repellent surface coatings involving a one pot method is described herein. Surface structuring functionalised SiO 2 nanoparticles were combined with low surface energy fatty acids [29][30][31] (C 8 -C 18 carbon chain lengths) to establish the desired lotus-like effect upon curing, Table 1. Careful optimisation of hydrophobic-SiO 2 (H-SiO 2 ) particle loading, fatty acid concentration and chain length and coating deposition method afforded comparably high average water contact angles on octadecanoic acid coatings, Fig.…”

Section: Introductionmentioning

confidence: 99%

Inexpensive and non-toxic water repellent coatings comprising SiO₂ nanoparticles and long chain fatty acids

et al. 2018

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Special wettability durable coatings, with average water contact angles exceeding 140 , have been fabricated utilising functionalised hydrophobic-SiO 2 (H-SiO 2 ) particles embedded in fatty acids. The inexpensive and non-toxic H-SiO 2 particles imparted delicate lotus leaf inspired hierarchical surface nano-morphologies while the fatty acid modification afforded a suitable drop in surface energy.Comparison studies were carried out to explore the effects of fatty acid chain length and pipette as opposed to spray coating deposition methods on the coatings hydrophobicity. It was determined that the longest chain length fatty acid coatings showed enhanced hydrophobic properties due to their extended hydrophobic alkyl chain. A pipette deposited suspension containing H-SiO 2 nanoparticles and octadecanoic acid generated a coating with the most favourable average water contact and tilting angles of 142 AE 6 and 16 AE 2 respectively.

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Section: Introductionmentioning

confidence: 99%

Inexpensive and non-toxic water repellent coatings comprising SiO₂ nanoparticles and long chain fatty acids

et al. 2018

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“…Generally, high surface roughness and low surface energy are the major requirements in the design of superhydrophobic surfaces [19]. Superhydrophobic surfaces have been successfully fabricated on a variety of metallic surfaces, including steel, copper, zinc and aluminium, to improve anti-corrosion or anti-wear properties [20][21][22][23][24][25][26]. Various methods have been applied to fabricating superhydrophobic surfaces on aluminium alloy surfaces, including chemical etching [27], electrode position [28], polymer plating [29] and spraying techniques [30].…”

Section: Introductionmentioning

confidence: 99%

Study of anti-corrosion and anti-wear properties on superhydrophobic aluminium alloy surfaces

Qiu

2018

Materials Science and Technology

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To improve the wear and corrosion resistance of aluminium alloys in salt environments, we produced superhydrophobic surfaces via high-speed electrical discharge machining. The specimens were characterised using a scanning electron microscope and a laser scanning confocal microscope and through contact angle (CA) measurement, measurement of electrochemical corrosion at an electrochemical workstation and wear testing. Results showed that the superhydrophobic specimens had a water CA of 151.5°. The corrosion of the as-obtained superhydrophobic specimens was significantly reduced by more than 50%, indicating their excellent anti-corrosion properties. The wear of as-obtained superhydrophobic specimens were reduced by approximately 10–35% in dry conditions and by approximately 45–85% in 3.5% NaCl solution, revealing their excellent anti-wear properties in both dry and salt environments.

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Fabrication and tribological behavior of superhydrophobic zinc surface based on oleic acid

Cited by 2 publications

References 33 publications

Inexpensive and non-toxic water repellent coatings comprising SiO₂ nanoparticles and long chain fatty acids

Inexpensive and non-toxic water repellent coatings comprising SiO₂ nanoparticles and long chain fatty acids

Study of anti-corrosion and anti-wear properties on superhydrophobic aluminium alloy surfaces

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Fabrication and tribological behavior of superhydrophobic zinc surface based on oleic acid

Cited by 2 publications

References 33 publications

Inexpensive and non-toxic water repellent coatings comprising SiO2 nanoparticles and long chain fatty acids

Inexpensive and non-toxic water repellent coatings comprising SiO2 nanoparticles and long chain fatty acids

Study of anti-corrosion and anti-wear properties on superhydrophobic aluminium alloy surfaces

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Product

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Inexpensive and non-toxic water repellent coatings comprising SiO₂ nanoparticles and long chain fatty acids

Inexpensive and non-toxic water repellent coatings comprising SiO₂ nanoparticles and long chain fatty acids