期刊
COATINGS
卷 11, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/coatings11091068
关键词
double-pulse electrodeposition; optimisation of process parameters; composite coatings performance; nanodiamond particles
资金
- Tianjin Municipal Science and Technology Bureale [20YDTPJC00080]
The study analyzed the polarization behavior of different component wattage plating solutions on carbon steel substrate to determine the reasonable content of nanodiamond particles in a nickel/nanodiamond composite plating solution. The research also investigated the impact of double-pulse forward and reverse duty cycle and reverse working time on the performance of the composite plating. Experimental results showed that a content of 5 g/L nanodiamond particles, along with specific plating parameters, led to a composite plating layer with good comprehensive performance.
In this study, using 45# carbon steel as the substrate, a first experimental analysis was carried out on the polarisation behaviour of different component wattage plating solutions in order to determine the reasonable content of nanodiamond particles in a nickel/nanodiamond composite plating solution. Secondly, the effect of double-pulse forward and reverse duty cycle and reverse working time on the performance of nickel/nanodiamond composite plating was then investigated by testing the thickness, hardness and surface roughness of the composite plating and observing the surface micromorphology. The experimental results show that, when the content of nanodiamond particles in the plating solution is 5 g/L, the anti-pulse working time, forward and reverse pulse duty cycle of the double-pulse plating parameters are 20 ms, 0.3 and 0.2, respectively, and the composite plating layer prepared by double pulse has good comprehensive performance. This research work provides technical support for the optimisation of process parameters for the preparation of nickel/nanodiamond composite coatings by double-pulse electrodeposition.
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