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| Content Provider | IET Digital Library |
|---|---|
| Author | Wan, Yanling Zhang, Meng Dong, Bin Yu, Huadong |
| Abstract | To prepare surfaces with stable anti-icing properties, square-column micro/nanocomposite structures were fabricated using wire-cut electrical discharge machining. Smooth and hydrophobic/superhydrophobic surfaces were tested for wettability and were subjected to mechanistic analysis. Droplets were found to produce an ‘air cushion effect’ upon contact with the microstructure, which reduced the contact area between the droplets and the aluminium substrate and increased the contact angle of the droplets on the surface. The icing experiment quantitatively evaluated the anti-icing performance of the surfaces by observing the cooling time and out-of-phase icing time of water droplets. It was found that the anti-icing effect is influenced by the wettability of the material and that the superhydrophobic surface has excellent anti-icing properties. Combined with the one-dimensional heat transfer theory for analysing the mechanism of icing, the results show that the ‘air cushion’ reduces the heat transfer between the solid and liquid and increases the thermodynamic barrier to ice core formation. The stability of the sample surface was tested by icing-melting experiments and friction experiments, and the test piece exhibited stable wettability and anti-icing performance. |
| Starting Page | 474 |
| Ending Page | 479 |
| Page Count | 6 |
| Volume Number | 15 |
| e-ISSN | 17500443 |
| Issue Number | Issue 7, Jun (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/15/7 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2019.0171 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2020-06-17 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Air Cushion Effect Aluminium Aluminium Alloy Aluminium Alloys Aluminium Substrate Angle of Contact Anti-icing Characteristic Anti-icing Effect Anti-icing Performance Contact Angle Contact Area Drops Electrical Discharge Machining Engineering Material Excellent Anti-icing Property Fluid Surface Energy Freezing Friction Heat And Thermodynamic Processes Heat Transfer Hydrophobicity Ice Ice Core Formation Icing Experiment Icing-melting Experiments Interface Tension Machining Mechanical Engineering Melting Nanocomposite Nanofabrication Out-of-phase Icing Time Sample Surface Solid Surface Structure Square-column Composite Structure Stable Anti-icing Property Stable Wettability Superhydrophobic Surface Surface Tension Water Droplets Wetting Wire-cut Electrical Discharge Machining |
| Content Type | Text |
| Resource Type | Article |
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