Synthesis and characterization of electroless Ni-Co-P coating

De, Jhumpa; Sarkar, Subhashis; Roy, Pallab; Sen, Rajat; Majumdar, Gautam; Oraon, B.

doi:10.1007/s12046-022-01933-z

Cited by 6 publications

(2 citation statements)

References 27 publications

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“…In all 16 sets of orthogonal experiments, the Cr content in the coating of all samples ranged from 0.1 to 0.2 wt%. Within this range, the elevation of Cr content contributed to the improvement in corrosion resistance of the coating [22] . The di culty in reducing Cr content resulted in a relatively low Cr content in the coating.…”

Section: Experimental Results and Analysismentioning

confidence: 96%

Ni-Cr-P composite co-deposition on the surface of 65Mn alloy steel

Mei,

Yang,

Zheng

et al. 2024

Preprint

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65Mn alloy steel, as a promising raw material for the manufacture of knitting needles, requires in-depth study in order to enhance its surface hardness and wear-corrosion resistance. This study focused on the chemical deposition and properties of Ni-Cr-P composite co-deposition on the surface of 65Mn alloy steel. The effects of plating solution composition, process parameters, and their effects on coating deposition rate, surface hardness, and other indicators were also analyzed. The results showed that, under conditions of 12 g/L CrCl3·6H2O, 5 g/L C6H8O7·H2O, 20 g/L C3H6O3, pH 5.5, and a temperature of 70°C, the coating obtained exhibited optimal performance, with a deposition rate of 3.292 µm/h, a microhardness reaching 627.28 HV0.2, and P and Cr elemental contents of 9.16 and 0.127 wt%, respectively. The coating structure was dense, with good adhesion and minimal porosity. To further enhance the wear resistance, a Ni-Cr-P coating was prepared using the aforementioned process parameters, followed by heat treatment. The effects of heat treatment temperature on the microstructure, microhardness, X-ray diffraction (XRD) spectra, and other characteristics were analyzed. The results indicated an optimal heat treatment temperature for the coating of 200°C. Following heat treatment, the microhardness of the coating remained relatively unchanged, and there was a tendency for the coating structure to become more crystalline, leading to improved wear and corrosion resistance.

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Section: Experimental Results and Analysismentioning

confidence: 96%

Ni-Cr-P composite co-deposition on the surface of 65Mn alloy steel

Mei,

Yang,

Zheng

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…In all 16 sets of orthogonal experiments, the Cr content in the coating of all samples ranged from 0.1 to 0.2 wt%. Within this range, the elevation of Cr content contributed to the improvement in corrosion resistance of the coating (De et al, 2022). The difficulty in reducing Cr content resulted in a relatively low Cr content in the coating.…”

Section: Effect Of Plating Solution Composition On P and Cr Elemental...mentioning

confidence: 99%

Effect of Heat Treatment on Chemical Plating of Ni-Cr-P on 65Mn Alloy Steel

Mei,

Yang,

et al. 2024

International Journal of Information Retrieval Research

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The chemical plating of Ni-Cr-P significantly affects the improvement of the structure and characteristics of the metal surface. This study aimed to investigate the impact of various plating solution components and process parameters on the deposition rate and surface hardness of Ni-Cr-P coatings on 65Mn alloy steel. Additionally, the study examined the changes in coating properties resulting from different heat treatment temperatures. The specimens coated with Ni-Cr-P underwent heat treatment at temperatures of 180°C, 200°C, 220°C, and 240°C, respectively. The testing results indicate that the plating layer achieves its highest level of performance when subjected to a heat treatment temperature of 200°C. The heat-treated coating exhibits superior wear and corrosion resistance compared to the 65Mn steel substrate. Additionally, the coefficient of friction decreases from 0.5 to 0.4. The self-corrosion potential shifts positively from -569 mV to -389 mV, and the corrosion current decreases from 61.4 μA to 14.48 μA. Furthermore, the impedance improves from 234 Ω·cm2 to 3512 Ω·cm2.

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Product Identification of Bismuth Telluride by Nitric Acid Corrosion

Jiang,

Luo,

et al. 2023

J. Electron. Mater.

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Synthesis and characterization of electroless Ni-Co-P coating

Cited by 6 publications

References 27 publications

Ni-Cr-P composite co-deposition on the surface of 65Mn alloy steel

Ni-Cr-P composite co-deposition on the surface of 65Mn alloy steel

Effect of Heat Treatment on Chemical Plating of Ni-Cr-P on 65Mn Alloy Steel

Product Identification of Bismuth Telluride by Nitric Acid Corrosion

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