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Electroplating of non-fluorinated superhydrophobic Ni/WC/WS2 composite coatings with high abrasive resistance

Electroplating of non-fluorinated superhydrophobic Ni/WC/WS2 composite coatings with high abrasive resistance
Electroplating of non-fluorinated superhydrophobic Ni/WC/WS2 composite coatings with high abrasive resistance
Weak hierarchical rough structures on superhydrophobic surfaces hinder their practical industrial applications. This paper reports a strategy to fabricate robust nickel-based superhydrophobic coatings via the codeposition of nanosized WS2 and WC particles. The Ni/WC/WS2 composite coatings were synthesized on mild steel substrates by one-pot electroplating followed by the adsorption of stearic acid self-assembled monolayers to modify the surface wetting. The particle concentration in the bath was investigated and the maximum water contact angle of approx. 170° was achieved by optimizing the particle contained. Hardened by WC and lubricated by WS2 inclusions the superhydrophobic coatings showed remarkable abrasive resistance with a bearing capacity ≥10,000 mm abrasion length. The coatings also showed aerophilic behavior and good environmental stability over >6 months.
Electroplating, Ni/WC/WS2, Composite, Superhydrophobic, Abrasion
0169-4332
1329-1340
Zhou, Jixue
3d0297f1-7e6e-4926-9496-11cd28f88852
Zhao, Guochen
7f8c3487-2fb2-4761-bafd-81a60533a55d
Li, Jinshang
add40ef0-01ac-4127-8f7d-896557423981
Chen, Jie
7181526d-ec25-480e-a35e-37bf4616e131
Zhang, Suqing
2da6437a-4b44-4704-a162-a41507209e6b
Wang, Jin
28aaf6fd-1974-4588-90dc-7ac1acbe2162
Xue, Yanpeng
92e505ac-172d-4ad3-8b61-bc8856ee29cb
Wang, Shuncai
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Walsh, Frank
309528e7-062e-439b-af40-9309bc91efb2
Zhou, Jixue
3d0297f1-7e6e-4926-9496-11cd28f88852
Zhao, Guochen
7f8c3487-2fb2-4761-bafd-81a60533a55d
Li, Jinshang
add40ef0-01ac-4127-8f7d-896557423981
Chen, Jie
7181526d-ec25-480e-a35e-37bf4616e131
Zhang, Suqing
2da6437a-4b44-4704-a162-a41507209e6b
Wang, Jin
28aaf6fd-1974-4588-90dc-7ac1acbe2162
Xue, Yanpeng
92e505ac-172d-4ad3-8b61-bc8856ee29cb
Wang, Shuncai
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Walsh, Frank
309528e7-062e-439b-af40-9309bc91efb2

Zhou, Jixue, Zhao, Guochen, Li, Jinshang, Chen, Jie, Zhang, Suqing, Wang, Jin, Xue, Yanpeng, Wang, Shuncai and Walsh, Frank (2019) Electroplating of non-fluorinated superhydrophobic Ni/WC/WS2 composite coatings with high abrasive resistance. Applied Surface Science, 487, 1329-1340. (doi:10.1016/j.apsusc.2019.05.244).

Record type: Article

Abstract

Weak hierarchical rough structures on superhydrophobic surfaces hinder their practical industrial applications. This paper reports a strategy to fabricate robust nickel-based superhydrophobic coatings via the codeposition of nanosized WS2 and WC particles. The Ni/WC/WS2 composite coatings were synthesized on mild steel substrates by one-pot electroplating followed by the adsorption of stearic acid self-assembled monolayers to modify the surface wetting. The particle concentration in the bath was investigated and the maximum water contact angle of approx. 170° was achieved by optimizing the particle contained. Hardened by WC and lubricated by WS2 inclusions the superhydrophobic coatings showed remarkable abrasive resistance with a bearing capacity ≥10,000 mm abrasion length. The coatings also showed aerophilic behavior and good environmental stability over >6 months.

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Accepted/In Press date: 21 May 2019
e-pub ahead of print date: 22 May 2019
Published date: September 2019
Keywords: Electroplating, Ni/WC/WS2, Composite, Superhydrophobic, Abrasion

Identifiers

Local EPrints ID: 431961
URI: http://eprints.soton.ac.uk/id/eprint/431961
ISSN: 0169-4332
PURE UUID: 995cb87f-82e2-4e7b-ab0e-09b68e295d86

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Date deposited: 24 Jun 2019 16:30
Last modified: 07 Oct 2020 04:51

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Contributors

Author: Jixue Zhou
Author: Guochen Zhao
Author: Jinshang Li
Author: Jie Chen
Author: Suqing Zhang
Author: Jin Wang
Author: Yanpeng Xue
Author: Shuncai Wang
Author: Frank Walsh

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