Effect of Reinforcement Particle Size on Fabrication and Properties of Composite Coatings

Hu, Jia; Fang, Liang; Zhong, Pei-Wen

doi:10.1080/10426914.2013.832298

Cited by 14 publications

(10 citation statements)

References 35 publications

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“…As presented in Fig. , the corrosion potential of TiN‐Ni‐Co13‐P coating is more anodic than TiN‐free Ni‐Co‐P coatings and the corrosion current density of TiN‐Ni‐Co13‐P coating is more negative than TiN‐free Ni‐Co‐P coatings, which indicating that coating with nanoparticles shows better corrosion resistance, and the reason has been discussed in our previous work . Thus, the above‐mentioned verdicts show that the Ni‐Co‐P/TiN nanocomposite coatings offer excellent corrosion protection for the aluminum alloy.…”

Section: Resultsmentioning

confidence: 58%

“…, with increasing content of Co in the coatings the passivation behavior became less obvious, which may be related to decrease of the P content in the coatings. As we know, in the Ni‐based coatings, P content has the obvious effect on the surface passivation because when Ni is dissolved preferentially the film of adsorbed hypophosphite anions forms and acts as a barrier between electrode surface and water to prevent the further hydration of nickel . However, in this work, it is found from the corrosion potential and the corrosion current density that the contribution to the corrosion resistance from the passivation is not obvious, and the decrease of grain size has the primarily influence on the corrosion resistance.…”

Section: Resultsmentioning

confidence: 73%

“…For example, Seifzadeh and Hollagh reported that Ni‐Co‐P coating can improve the corrosion resistance of AZ91D magnesium alloy, and Theeratatpong and Boonyongmaneeratb studied the effects of cobalt content and heat treatment on mechanical properties of electroless Ni‐Co‐P alloys and found that cobalt could enhance the hardness of the coating. Besides, in our previous papers, the Si 3 N 4 reinforced Ni‐Co‐P composite coating with 9.7 wt% Co and 10.1 wt% P was prepared and the mechanical properties was studied , and the effect of SiC particle size on the fabrication and properties of Ni‐Co‐P/SiC composite coating with 7–8 wt% Co was investigated . However, by now, few reports have been offered to illustrate the effects of the cobalt content on mechanical and corrosion properties of ternary nanocomposite coating comprehensively.…”

Section: Introductionmentioning

confidence: 99%

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Effects of cobalt content on mechanical and corrosion properties of electroless Ni‐Co‐P/TiN nanocomposite coatings

Shi

Fang

et al. 2016

Materials & Corrosion

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Ternary Ni‐Co‐P/TiN (20 nm) nanocomposite coatings with Co content in the range of 0–23 wt% were successfully co‐deposited on Al alloys by electroless plating. The morphology, composition, microstructure, micro‐hardness, wear behavior, and corrosion properties of the coatings were tested using SEM, EDS, XRD, Vickers hardness, ball‐on‐disc wear tester, and electrochemical workstation, respectively. The effect of Co content on the tribological and corrosion properties of Ni‐Co‐P/TiN coatings was studied. It is found that all the coatings have a compact and rough granular structure with sub‐micro globules non‐uniformly distributed on the surface. The grain size and the content of Ni and P decrease, but the micro‐hardness, adhesion force, friction coefficient, and corrosion resistance correspondingly enhance with the increase of Co content in Ni‐Co‐P/TiN coatings. The improved corrosion resistance of Ni‐Co‐P/TiN coating is due to the passivation behavior and small grain caused by the introduction of Co. Based on the excellent properties on the wear and corrosion resistance, ternary Ni‐Co23‐P/TiN coating with high Co content, may be applied as an optimum protective coating for Al alloys.

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Section: Resultsmentioning

confidence: 58%

Section: Resultsmentioning

confidence: 73%

Section: Introductionmentioning

confidence: 99%

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Effects of cobalt content on mechanical and corrosion properties of electroless Ni‐Co‐P/TiN nanocomposite coatings

Shi

Fang

et al. 2016

Materials & Corrosion

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“…These properties opened the field for NiP to be used in different industries [2]. However, to improve these properties, the incorporation of nanoparticles in the NiP matrix has been tried extensively recently [3][4][5][6][7][8]. The performance of the co-deposition of hard second-phase nanoparticles such as Al 2 O 3 , TiN, B 4 C, ZrO 2 , SiC, TiO 2 , CNT, graphite, and diamond [9][10][11][12][13][14][15][16][17] with the Ni-P matrix was investigated, and has shown an enhancement in terms of microhardness, as well as corrosion and wear resistances.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization, and Application of Novel Ni-P-Carbon Nitride Nanocomposites

et al. 2018

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Dispersion of 2D carbon nitride (C 3 N 4 ) nanosheets into a nickel phosphorous (NiP) matrix was successfully achieved by ultrasonication during the electroless plating of NiP from an acidic bath. The morphology and thickness, elemental analysis, phases, roughness, and wettability for as-plated and heat-treated nanocomposite were determined by scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, atomic force microscopy, and contact angle measurements, respectively. C 3 N 4 showed a homogeneous distribution morphology in the nanocomposite that changed from amorphous in case of the NiP to a mixed crystalline-amorphous structure in the NiP-C 3 N 4 nanocomposite. The microhardness and corrosion resistance of the as-plated nanocomposite and the heat-treated nanocomposite coating were significantly enhanced compared to the Ni-P. The nanocomposite showed a superior corrosion protection efficiency of~95%, as observed from the electrochemical impedance spectroscopy (EIS) measurements. On the other hand, the microhardness of the nanocomposite was significantly increased from 780 to reach 1175 HV 200 for NiP and NiP-C 3 N 4 , respectively.

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“…There are also other important operating parameters such as the type of stirring, the stirring velocity, the position of the sample, etc. [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Composite NiB–Graphite and NiB–PTFE Surface Coatings Deposited by the Dynamic Chemical Plating Technique

Omidvar

Sajjadnejad

Stremsdoerfer

et al. 2015

Materials and Manufacturing Processes

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Dynamic Chemical Plating "DCP" is an alternative for producing metallic deposits on nonconductive materials and can be considered as a modified electroless coating process.This article describes the formation of composite NiB-particle films by the Dynamic Chemical Plating "DCP" technique. The particles used were micrometric graphite (1-2 micron) or PTFE (50-500 nm). The conditions for production of these coatings are presented as well as the deposition rates, surface morphology, friction properties and the degree of particle incorporation into the films.

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Effect of Reinforcement Particle Size on Fabrication and Properties of Composite Coatings

Cited by 14 publications

References 35 publications

Effects of cobalt content on mechanical and corrosion properties of electroless Ni‐Co‐P/TiN nanocomposite coatings

Effects of cobalt content on mechanical and corrosion properties of electroless Ni‐Co‐P/TiN nanocomposite coatings

Synthesis, Characterization, and Application of Novel Ni-P-Carbon Nitride Nanocomposites

Composite NiB–Graphite and NiB–PTFE Surface Coatings Deposited by the Dynamic Chemical Plating Technique

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