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石兴旺,程建奕,叶楠,唐建成,陈伟聪.电沉积制备Ni/nano-WC复合镀层的工艺及机理研究[J].稀有金属材料与工程(英文),2021,50(1):71~77.[Shi Xingwang,Cheng Jianyi,Ye Nan,Tang Jiancheng and Chen Weicong.Electrodeposition and mechanism of Ni/nano-WC composite coatings[J].Rare Metal Materials and Engineering,2021,50(1):71~77.]
Electrodeposition and mechanism of Ni/nano-WC composite coatings
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Received:December 02, 2019  
DOI:
Key words: Electrodeposition  Microstructure  Nano-composite tungsten carbide coatings  Microhardness
Foundation item:国家自然科学基金项目(面上项目,重点项目,重大项目)
Author NameAffiliation
Shi Xingwang,Cheng Jianyi,Ye Nan,Tang Jiancheng and Chen Weicong  
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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.