Abstract
In the nickel–tungsten plating bath with MWCNTs, the influence of surfactants cetyltrimethyl- ammonium bromide (CTAB), sodium dodecyl sulfate (SDS) and Triton X-100 on the dispersion of MWCNTs were studied by using UV–vis spectrophotometer, to obtain the optimal concentration of surfactant. Ni–W–MWCNTs nanocomposite coatings were prepared in the bath with the optimal concentration of surfactants. The effects of surfactants on the composition, structure, and morphology of the coating were studied by energy dispersive spectrometer (EDS), X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The corrosion resistance of the coating was studied by electrochemical method in the 3.5 wt % saline. With the aid of SDS or Triton X-100, the obtained coating could enhance the anticorrosive performance. In addition, the Ni–W–MWCNTs coating prepared by SDS method exhibited the highest microhardness.
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This work was financially supported by Scientific Research Fund of Chongqing University of Arts and Sciences (R2018SHJ07) and Major Scientific Research Projects Fund of Chongqing Academy of Arts and Sciences (P2018HJ02).
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Yang, Q., Jing, Y. Effect of Surfactants on the Anticorrosive and Mechanical Performance of Ni–W–MWCNTs Nanocomposites Coating. Prot Met Phys Chem Surf 57, 344–351 (2021). https://doi.org/10.1134/S2070205121010226
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DOI: https://doi.org/10.1134/S2070205121010226