期刊
ELECTROCHIMICA ACTA
卷 245, 期 -, 页码 872-882出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2017.05.166
关键词
dual-scale; electrodepositon; Ni-P; self-lubrication; super-hydrophobicity
资金
- China Scholarship Council (CSC)
- Faculty of Engineering and the Environment at University of Southampton
- Royal Society International Exchanges Scheme [IE151191]
- EPSRC Global Challenge Research Fund
- Engineering and Physical Sciences Research Council [EP/F034296/1] Funding Source: researchfish
- EPSRC [EP/F034296/1] Funding Source: UKRI
Self-lubrication and super-hydrophobicity are sought-after qualities in industrial surface finishing but such properties are rarely combined in a single coating. The present studies have produced a low-friction, superhydrophic Ni-P-WS2 coating by a versatile one-pot, single-step electrodeposition. By adjusting the particle and surfactant concentrations, a hierarchical surface, consisting of micron-sized protrusion arrays and submicron-sized bumps on the top and exhibiting a high water contact angle of 157 deg was achieved. Furthermore, mechanical and friction properties are characterized, revealing that sufficient WS2 embedded in the Ni-P coatings enables a reduced friction coefficient of 0.17 by the formation of a self-lubricating tribofilm. (C) 2017 Elsevier Ltd. All rights reserved.
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