Pulse Current Electrodeposition and Characterization of Ni-W-MWCNTs Nanocomposite Coatings

Multi-walled carbon nanotubes (MWCNTs) of the dimension 20-30 nm × 10-30 μm (diameter × length) are employed to fabricate the alloy composite coating by electrodeposition technique. Ni-W-MWCNTs composite coatings are obtained successfully on C45 steel from a Ni-W plating electrolyte with suspended M...

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Bibliographic Details
Published in:Journal of the Electrochemical Society 2015-01, Vol.162 (7), p.D270-D274
Main Authors: Fan, Yi, He, Yi, Luo, Pingya, Shi, Taihe, Li, Han
Format: Article
Language:English
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Summary:Multi-walled carbon nanotubes (MWCNTs) of the dimension 20-30 nm × 10-30 μm (diameter × length) are employed to fabricate the alloy composite coating by electrodeposition technique. Ni-W-MWCNTs composite coatings are obtained successfully on C45 steel from a Ni-W plating electrolyte with suspended MWCNTs. These MWCNTs were incorporated into the Ni-W alloy matrix uniformly and corresponding coatings are investigated for their structure, morphology, electrochemical and mechanical behavior and compared with that of Ni-W alloy deposit. From the scanning electron microscopy (SEM) and Energy dispersive X-ray (EDX) results, small amount of MWCNTs made Ni-W deposit compact and uniform. Additionally, an improvement in corrosion and friction resistance was confirmed by electrochemical and friction coefficient measurements.
ISSN:0013-4651
1945-7111
DOI:10.1149/2.0391507jes