The Relationship between Nanocrystalline Structure and Frictional Properties of Nanodiamond/Ni Composite Coatings by Brush Plating

Ying Li; Bian Xiao Li; Wen Jun Zou

doi:10.4028/www.scientific.net/AMM.80-81.683

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 80-81The Relationship between Nanocrystalline Structure...

The Relationship between Nanocrystalline Structure and Frictional Properties of Nanodiamond/Ni Composite Coatings by Brush Plating

Abstract:

Nanodiamond/Ni and Ni coatings were fabricated via brush plating. Nanocrystalline structure of the composite coating was investigated by SEM and XRD. The results showed that the composite coatings are nanocrystalline structure. The hardness of the nanodiamond/Ni composite coating is higher greatly than that of Ni coating. At same time, the reasons of formation nanocrystalline were discussed, which include the nucleation rate with the increase of a high over-potential, the reciprocating motion between brush and work piece, the heterogeneous nucleation of nanodiamond. The nanodiamonds as second phases make grain finer. The nanodiamonds of core-shell structure play the important role in wear resistance and antifriction. So the wear resistance of the composite coatings is significantly higher than nickel coating’s.

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Periodical:

Applied Mechanics and Materials (Volumes 80-81)

Pages:

683-687

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.80-81.683

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Online since:

July 2011

Authors:

Ying Li, Bian Xiao Li, Wen Jun Zou

Keywords:

Antifriction, Composite Coating, Nanocrystalline Structured, Nanodiamond, Wear Resistance

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