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Electrodeposition and mechanism of Ni/nano-WC composite coatings
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School of Materials Science and Engineering,Nanchang University

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the National Natural Science Foundation of China (No. 51864034,51661022,51161018,51471083, 51364036 and 51271090)

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    Abstract:

    In this study, nickel matrix composite coatings reinforced by nano WC were prepared by pulse current (PC) electrodeposition. The effects of surfactant sodium dodecyl sulfate (SDS) concentration and wet-milling treatment of WC particles on surface morphologies, distribution of particles, microstructures and microhardness values of Ni/nano-WC composite coatings were all investigated and the results were discussed. The results revealed formation of compact coatings with high contents of embedded WC particles and uniform distribution in presence of SDS and under wet-milling treatment of WC particles. The microhardness of the composite coatings also improved. The optimal coating was obtained by adding 0.15 g/l SDS under wet-milling for 10 h.

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[Shi Xingwang, Cheng Jianyi, Ye Nan, Tang Jiancheng, Chen Weicong. Electrodeposition and mechanism of Ni/nano-WC composite coatings[J]. Rare Metal Materials and Engineering,2021,50(1):71~77.]
DOI:10.12442/j. issn.1002-185X.20191018

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History
  • Received:December 02,2019
  • Revised:January 10,2020
  • Adopted:February 20,2020
  • Online: February 05,2021
  • Published: