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Robust hydrophobic Fe-based amorphous coating by thermal spraying
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10.1063/1.4754140
/content/aip/journal/apl/101/12/10.1063/1.4754140
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/12/10.1063/1.4754140

Figures

Image of FIG. 1.
FIG. 1.

(a) Water droplets on the amorphous coating exhibiting a hydrophobic feature; (b) the macroscopic surface image of the hydrophobic amorphous coating (with a surface area of 40 × 15 mm2) showing no detected pits after 30-days salt-fog test.

Image of FIG. 2.
FIG. 2.

The surface morphology and measured roughness of the three typical as-sprayed amorphous coatings; (a) coating 1; (b) coating 2, and (c) coating 4. See Table I for the spraying parameters for making different coatings.

Image of FIG. 3.
FIG. 3.

(a) The relationship between the roughness and CA of the coatings before and after modification; (b), (c) the superhydrophobic surface of modified coating 2 with a water contact angle of 160° and a sliding angle of around 9°; (d), (e) demonstration of self-cleaning ability of the superhydrophobic coatings, the dirty (some amorphous powders) was taken away automatically by a rolling water droplet.

Image of FIG. 4.
FIG. 4.

Schematic diagram of a water droplet on (a) a hydrophilic coating according to the Wenzel model and (b) a hydrophobic coating according to the Cassie-Baxter model.

Tables

Generic image for table
Table I.

Detailed spraying parameters used during HVOF process.

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/content/aip/journal/apl/101/12/10.1063/1.4754140
2012-09-20
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Robust hydrophobic Fe-based amorphous coating by thermal spraying
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/12/10.1063/1.4754140
10.1063/1.4754140
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