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| Content Provider | IET Digital Library |
|---|---|
| Author | Wan, Yanling Xu, Lining Liu, Zhigang Yu, Huadong |
| Abstract | A simple method, involving twice electric machining by HS-WEDM and chemical etching, is used to fabricate super-amphiphobic (both super-hydrophobic and super-oleophobic) surfaces on aluminium alloy. The surface morphology of the samples was investigated using scanning electron microscopy and laser scanning confocal microscope. The evaluations of surface oleophobicity were carried out using the contact angles of ethylene glycol, diiodomethane and dodecane. Finally, the experimental result indicated that after the twice electric machining and chemical etching, the micro/nanometre-scale binary rough structure was presented on the sample surfaces, and the resulting sample surfaces produced in this method had super-hydrophobic and lipophilic properties (water contact angle of 155.74°). More importantly, after surface fluorination, the sample surfaces turned to super-amphiphobic surfaces and the biggest contact angles of water and oil were 156.24° and 157.34°, respectively. Therefore, it can be considered that the acquirement of the micro/nanometre-scale rough structures and the reduction of the surface energy are essential requirements to fabricate super-amphiphobic surfaces. The advantages of the present method over the other methods are that the used wire electrical discharge machining can machine most metals, and the processes of surface forming and microstructure fabrication were combined, which saves processing time greatly. |
| Starting Page | 175 |
| Ending Page | 178 |
| Page Count | 4 |
| Volume Number | 12 |
| e-ISSN | 17500443 |
| Issue Number | Issue 3, Mar (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/12/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2016.0569 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2017-03-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Aluminium Alloys Binary Rough Structure Chemical Etching Technology Contact Angle Contact Angles Diiodomethane Dodecane Electrical Discharge Machining Engineering Material Etching Ethylene Glycol HS-WEDM Hydrophobicity Laser Scanning Confocal Microscopy Lipophilic Property Machining Optical Microscopy Preparation of Metals And Alloy Rough SurFace Scanning Electron Microscopy Semiconductor Technology Solid Surface Structure Superamphiphobic Aluminium Alloy Surface Superhydrophobic SurFace Superoleophobic SurFace Surface Energy Surface Energy of Solids; Thermodynamic Property Surface Fluorination Surface Modulator/Detector Array Surface Oleophobicity Surface Resistance Measurement Surface Treatment Surface Treatment And Degradation of Metals And Alloy Wire Electrical Discharge Machining |
| Content Type | Text |
| Resource Type | Article |
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