Bowei Zhang, Qiao Zhang, Zhan Zhang, Kui Xiao, Qiong Yao, Guojia Ma, Gang Sun, and Junsheng Wu, Incorporation of nano/micron-SiC particles in Ni-based composite coatings towards enhanced mechanical and anti-corrosion properties, Int. J. Miner. Metall. Mater.,(2021). https://doi.org/10.1007/s12613-021-2307-1
Cite this article as:
Bowei Zhang, Qiao Zhang, Zhan Zhang, Kui Xiao, Qiong Yao, Guojia Ma, Gang Sun, and Junsheng Wu, Incorporation of nano/micron-SiC particles in Ni-based composite coatings towards enhanced mechanical and anti-corrosion properties, Int. J. Miner. Metall. Mater.,(2021). https://doi.org/10.1007/s12613-021-2307-1
Research Article

Incorporation of nano/micron-SiC particles in Ni-based composite coatings towards enhanced mechanical and anti-corrosion properties

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  • Received: 20 January 2021Revised: 27 April 2021Accepted: 17 May 2021Available online: 18 May 2021
  • Ni-based composite coatings incorporated with nano/micron SiC particles were fabricated via electrochemical co-deposition in Watts bath, followed by the evaluation of their mechanical and anti-corrosion properties. The micrographic observations suggest that the SiC particles with various sizes can be well incorporated to the Ni substrate. X-ray diffraction (XRD) patterns indicate that SiC particles with smaller sizes could weaken the preferential growth of Ni along (2 0 0) facet. In addition, it is found that the incorporated SiC particles with medium micron sizes (8 μm and 1.5 μm) could significantly enhance the micro-hardness of the Ni composite coatings. Nevertheless, electrochemical measurements demonstrate that micron-sized SiC particles would weaken the corrosion resistance of Ni composite coatings ascribed to the structure defects induced. In contrast, the combined incorporation of nanosized (50 nm) SiC particles with medium micron (1.5 μm) ones is capable of promoting the compactness of the composite coatings, which is beneficial to the long-term corrosion resistance with negligible micro-hardness loss.

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