Facile approach to develop anti-corrosive superhydrophobic aluminium with high mechanical, chemical and thermal durability
| Autor: | Bharat Bhushan, Balraj Krishnan Tudu, Aditya Kumar |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Materials science
Alum General Mathematics Metallurgy General Engineering Anti-corrosion General Physics and Astronomy chemistry.chemical_element 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Durability 0104 chemical sciences Corrosion chemistry.chemical_compound chemistry Aluminium Self cleaning Thermal 0210 nano-technology |
| Zdroj: | Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 377:20180272 |
| ISSN: | 1471-2962 1364-503X |
| DOI: | 10.1098/rsta.2018.0272 |
| Popis: | Durable, superhydrophobic and self-cleaning aluminium surfaces with high corrosion resistance are desirable in many industrial applications. In this study, a facile approach is used to produce aluminium surfaces with superhydrophobicity with a low tilt angle by creating desired roughness structure by immersing in NaOH solution followed by lowering the surface energy by immersing in hexadecyltrimethoxysilane solution. The coated samples show water contact angle of 164 ± 7° and tilt angle of 5 ± 1°. Droplet dynamics of the coated surfaces was investigated. Surfaces exhibited self-cleaning properties. In addition, mechanical, chemical and thermal stability tests were performed. Electrochemical tests of coated surfaces demonstrated anti-corrosion properties with low corrosion current density and high corrosion potential.This article is part of the theme issue ‘Bioinspired materials and surfaces for green science and technology’. |
| Databáze: | OpenAIRE |
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