Friction and wear of electroless NiP and NiP+PTFE coatings

Ramalho, A.; Miranda, J.C.

doi:10.1016/j.wear.2005.02.052

Cited by 144 publications

(68 citation statements)

References 13 publications

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“…The addition of a third element to the binary Ni-P and Ni-B coating leads to the formation of a ternary alloy such as Ni-P-W and Ni-P-Cu [16][17][18][19][20][21][22][23], which again leads to an enhanced wear resistance. Softer particles incorporated with EN coatings such as PTFE, MoS2, graphite and CNTs [24][25][26][27] promote self lubricity and finds their applications in the reduction of friction. The first instance of electroless Ni-P-W coating was reported by Pearlstein and Weightman [28] in 1963 and many investigations were reported henceforth.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Tribological Properties and Optimization of Electroless Ni-P-W Coating Under Dry Condition Using Grey Fuzzy Analysis

Mukhopadhyay¹,

Duari²,

Barman³

et al. 2017

Tribol. Ind.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Tribological Properties and Optimization of Electroless Ni-P-W Coating Under Dry Condition Using Grey Fuzzy Analysis

Mukhopadhyay¹,

Duari²,

Barman³

et al. 2017

Tribol. Ind.

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“…Moreover, PTFE has excellent non-stick properties due to its low surface energy (18.6 mn/m) [4,5]. As a result, there was a lot of research concerning the synthesis and properties of electroless Ni-PTFE-P coatings, which proved that Ni-PTFE-P coatings could provide even greater lubricity and wear resistance than that of Ni-P alloy [6][7][8][9]. However, little attention was paid on the corrosion resistance of the Ni-PTFE-P coatings, one of the most important factors, which determine the duty life of Ni-PTFE-P coatings.…”

Section: Introductionmentioning

confidence: 99%

Effects of rare earth cerium addition on the synthesis and corrosion resistance of electroless Ni–PTFE–P coating

Liu

Zhou²,

et al. 2010

Materials & Corrosion

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Electroless Ni-PTFE-P coatings have been successfully deposited on the surface of mild steel shaft from plating baths containing various concentrations of rare earth metal cerium (RE Ce). Surface morphology, Ce fraction, and thickness of the coatings were characterized by scanning electron microscope, inductively coupled plasma optical emission spectrometry, and reflection optical microscope, respectively. Salt spray test was used to determine the corrosion resistance of the coating. Results revealed that structure, compactness, and deposition rate of the Ni-PTFE-P coatings were increased significantly by addition of a small amount of RE Ce (10-20 ppm) to the plating bath. Electroless Ni-PTFE-P coating deposited from plating baths with 20 ppm Ce shows the highest corrosion resistance, owing to its high compactness and thickness. Deposition rate and corrosion resistance of the Ni-PTFE-P coating were deteriorated greatly as concentration of RE Ce in the plating baths exceeds 100 ppm.

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“…10 Friction and wear, being important properties of EN coatings, have been the focus of attention of a number of researchers [12][13][14][15][16][17] over the years. It is, in general, observed that the friction coeffi cient of EN coating decreases with an increase in load.…”

Section: Introductionmentioning

confidence: 99%

Tribological testing and optimisation of electroless Ni‐P coatings based on Taguchi method and grey relational analysis

Sahoo

Pal

2008

Tribotest

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This paper presents an experimental study of tribological characteristics of electroless Ni-P (EN) coatings and optimisation of coating process parameters based on Taguchi method coupled with grey relational analysis. A grey relational grade obtained from the grey relational analysis is used as performance index to study the deposition of EN coating with multiple tribological performance characteristics. Experiments are carried out by utilising the combination of process parameters based on L 27 Taguchi orthogonal design with four process parameters, namely, bath temperature, concentration of nickel source solution, concentration of reducing agent and annealing temperature. It has been observed that concentrations of nickel source solution and bath temperature are the most signifi cant parameters for controlling the friction and wear behaviour of EN coating. The surface morphology, composition and wear mechanism of coatings are also studied with the help of scanning electron microscopy, energy dispersed X-ray analysis and X-ray diffraction analysis.

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Friction and wear of electroless NiP and NiP+PTFE coatings

Cited by 144 publications

References 13 publications

Evaluation of Tribological Properties and Optimization of Electroless Ni-P-W Coating Under Dry Condition Using Grey Fuzzy Analysis

Evaluation of Tribological Properties and Optimization of Electroless Ni-P-W Coating Under Dry Condition Using Grey Fuzzy Analysis

Effects of rare earth cerium addition on the synthesis and corrosion resistance of electroless Ni–PTFE–P coating

Tribological testing and optimisation of electroless Ni‐P coatings based on Taguchi method and grey relational analysis

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