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Title: Microstructure and properties of jet pulse electrodeposited Ni-TiN nanocoatings
Authors: Li, Qiang
Xia, Fafeng
Liu, Guifen
Yao, Liming
Keywords: Engineering::Mechanical engineering
Issue Date: 2022
Source: Li, Q., Xia, F., Liu, G. & Yao, L. (2022). Microstructure and properties of jet pulse electrodeposited Ni-TiN nanocoatings. Journal of Materials Engineering and Performance.
Journal: Journal of Materials Engineering and Performance
Abstract: The current work investigates the successful preparation of Ni-TiN coatings via the jet electrodeposition method. The x-ray diffraction, high-resolution transmission electron microscopy, electrochemical workstation, and triboindenter were used to analyze the structure, mechanical deformation response, and corrosion properties of the coatings. The results reveal that the Ni-TiN coating produced by the deposition method had a fine and uniform microstructure at a 5 g/L concentration of TiN. The mean sizes of TiN nanoparticles and Ni grains were found to be 23.3 and 43.9 nm, respectively. The corrosion potential of the Ni-based TiN coating obtained at 5 g/L by electrodeposition was as minimum as − 0.396 V with a corrosion current density of 1.06 × 10−3 mA/cm2. The Ni-TiN coatings prepared, respectively, at three different concentrations (3, 5, and 8 g/L) under the applied load of 1500 µN were about 34.9, 28.2, and 30.3 µm in vertical depth, respectively. The coatings obtained at 5 g/L had the maximum nanohardness of 34.5 GPa when compared to the other coatings. In addition, the coatings were then subjected to three sliding scans, and the Ni-TiN coating prepared at 5 g/L showed the least magnitude of wear damage and plastic deformation when compared to the other coatings.
ISSN: 1059-9495
DOI: 10.1007/s11665-022-06909-y
Rights: © 2022 ASM International. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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