Wear performance and mechanism of electroless NiP coating

Staia, M.H.; Castillo, E.; Puchi, E. S.; Lewis, Brian D.; Hintermann, H.E.

doi:10.1016/s0257-8972(96)03086-1

Cited by 110 publications

(44 citation statements)

References 3 publications

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“…Both hardness increase and wear resistance can be achieved by proper composition modification with additives, what can be very promising, e.g. for applications were dry friction can occur [4][5].…”

Section: Introductionmentioning

confidence: 99%

“…What is more, very interesting results were achieved by combining such coatings with application of innovative lubricants with additives. Numerous records among state of art proved usefulness of Ni-P coating on steel substrates, as a successful method for increasing wear resistance [5][6]. This allows to make an assumption, that further research on field of application of electroless Ni-P coating on different substrates should be considered.…”

Section: Introductionmentioning

confidence: 99%

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Tribological properties evaluation of Ni-P coating manufactured with electroless plating on aluminum alloy substrate

et al. 2017

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Abstract.Results of tribological tests of Ni-P coating were presented in following paper. Tests were conducted with tribotester device using linear reciprocating wear test. Tribological wear test conditions, especially speed, load and sample geometry were described. Characteristics of coefficient of friction variation during wear testes were recorded. Conclusions included results interpretation especially focusing on influence of coating thickness in its properties.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Tribological properties evaluation of Ni-P coating manufactured with electroless plating on aluminum alloy substrate

et al. 2017

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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%

“…The friction coeffi cient was found to be within the range of 0.15-0.35 when tested under the 15-60 N loading conditions. 12 The friction study of EN coating with a ramp apparatus concluded that coatings with high phosphorus content have higher friction coeffi cient than medium or low phosphorus electroless coatings.…”

Section: Introductionmentioning

confidence: 99%

“…The friction coeffi cient of electroless coating when tested under low loads was found to be as high as 0.7. 12 The wear performance of EN coating is greatly enhanced with heat treatment, the treatment performed at 400°C for 1 hour having the highest hardness. 12 Despite a good number of studies on EN coatings particularly on tribological properties, it is seen from an extensive literature review that no report is available on the optimisation of the process parameters of EN coating to have minimum friction and wear characteristics.…”

Section: Introductionmentioning

confidence: 99%

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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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Effect of laser‐induced nanocrystallisation on the properties of electroless Ni‐P/Ni‐W‐P duplex coatings

Liu¹,

Guo

Bian³

et al. 2013

Cryst. Res. Technol.

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Key words nanocrystallisation, electroless Ni-P/Ni-W-P duplex coatings, laser treatment, adhesive wear. This paper presents a comparative study of nanocrystallisation and the wear resistance of electroless plated Ni-P/Ni-W-P duplex coatings with a single Ni-W-P coating before and after high-power diode laser treatment. Effects of the laser operating parameters on microstructures, in terms of crystallisation, porosity formation, phase transformation and grain growth, were investigated using scanning electron microscopy (SEM) with energy dispersive X-ray spectroscopy (EDX) and quantitatively X-ray Diffraction (XRD). Microhardness and wear behaviour of the coatings before and after laser treatment were evaluated by measurement of coating surface and cross-section hardness as well as un-lubricated friction and wear tests. The results revealed that in the case of laser treatment, the Ni-P/Ni-W-P duplex coatings offered better wear resistance than the single Ni-W-P coating, while the as-plated, single Ni-W-P coating showed better wear resistance than the Ni-P/Ni-W-P duplex coatings. Adhesive wear mechanism prevails in the laser-treated coatings when subjected to wear test against hardened steel material. The effects of microstructural characteristics in the coatings, in particularly the grain size of Ni 3 P phase and the degree of crystallisation, on the adhesive wear behaviour have been investigated and found to be dominant besides the effect of hardness.

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Wear performance and mechanism of electroless NiP coating

Cited by 110 publications

References 3 publications

Tribological properties evaluation of Ni-P coating manufactured with electroless plating on aluminum alloy substrate

Tribological properties evaluation of Ni-P coating manufactured with electroless plating on aluminum alloy substrate

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

Effect of laser‐induced nanocrystallisation on the properties of electroless Ni‐P/Ni‐W‐P duplex coatings

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