Abstract: A composite treatment method combining micro-arc oxidation technology and organic coating technology is used to realize the surface modification of Mg-Mn-Ce magnesium alloy to obtain a super-hydrophobic composite film layer to study the surface characteristics of micro-arc oxidation film and the electrochemical reaction of organic coating Process, wetting characteristics and corrosion resistance of the composite film. The results show that after the micro-arc oxidation treatment of the magnesium alloy, the surface of the micro-arc oxidation film has a micro-nano porous structure, showing super-hydrophilic characteristics, and the static contact angle of distilled water is close to 0 °; The static contact angle of the organic film formed is as high as 173.3 °, showing excellent super-hydrophobic properties.
Magnesium alloy has good corrosion resistance after micro-arc oxidation treatment. After organic coating super-hydrophobic composite treatment, the corrosion resistance is further improved.
In 3.5% NaCl solution, the composite membrane layer has a dynamic potential polarization corrosion current density reduced by 3 orders of magnitude, while the electrochemical impedance is increased by 3
Several orders of magnitude, the corrosion resistance is significantly improved. The combined treatment of micro-arc oxidation and organic coating makes the magnesium alloy surface significantly improve the corrosion resistance of the magnesium alloy while achieving the superhydrophilic-superhydrophobic function conversion.
Keywords: Mg-Mn-Ce magnesium alloy; micro-arc oxidation; organic coating; super hydrophobic; corrosion resistance
| Model | LE.CP.024 |
| Feature | Fire resistance, wear resistance, weather resistance |
| Application | landscape, roofgarden, residence, villa |
| Fiber Material | PE |
| Dtex | 8000 |
| Stitches/10cm | 17/10cm+(-)3% |
| Backing | PP+non-woven |
| Pile height | 22mm+(-)1mm |
| Gauge | 3/16" |
| Color | 1-tone |
| Roll width | 2-4m |
| Roll length | 25mm |
| Packing | PE fabrics |
| Stitches/SQM | 21000+(-)3% |
| Wrranty | 6-7years |
| MOQ |
1000m2 |
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