A comparative study on morphological, mechanical and tribological properties of electroless NiP, NiB and NiBP coatings

Algül, Hasan; Uysal, Mustafa; Alp, Ahmet

doi:10.1016/j.apsadv.2021.100089

Cited by 28 publications

(11 citation statements)

References 34 publications

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“…Electroless nickel-boron-phosphorous was first developed in the 1980s, but it's been investigated with renewed interest in the 2010s [288][289][290][291][292]. In those ternary alloys, an increase of boron content is accompanied by an increase of hardness but a decrease in corrosion resistance [293].…”

Section: Polyalloysmentioning

confidence: 99%

“…In those ternary alloys, an increase of boron content is accompanied by an increase of hardness but a decrease in corrosion resistance [293]. The wear resistance of Ni-B-P is also improved compared to the binary coatings [292]. Usually, higher borohydride concentration in the plating bath (that leads to higher boron content) is also associated with higher plating rates and refining of the surface features [290,294].…”

Section: Polyalloysmentioning

confidence: 99%

See 1 more Smart Citation

Recent advances in electroless nickel‑boron coatings

Vitry

Hastir

Mégret

et al. 2022

Surface and Coatings Technology

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Section: Polyalloysmentioning

confidence: 99%

Section: Polyalloysmentioning

confidence: 99%

Recent advances in electroless nickel‑boron coatings

Vitry

Hastir

Mégret

et al. 2022

Surface and Coatings Technology

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“…Surface and cross-sectional images of the as-plated Ni-B and Ni-B-W coatings are shown in Figure 3a~d. According to Figure 3a, the Ni-B coating showed a "cauliflower" morphology, owing to the high content of B [25], while the Ni-B-W coating possessed a more compact structure, as shown in Figure 3b. Figure 3c,d shows that the thicknesses of the Ni-B and Ni-B-W coatings were about 28.6 μm and 41.3 μm, with deposition rates of 7.2 and 10.3 μm/h, respectively.…”

Section: Morphologies Of Ni-b and Ni-b-w Coatingsmentioning

confidence: 99%

“…To meet higher industrial requirements and adapt to more stringent application scenarios, multicomponent alloy coatings were invented [24]. Ni-B-P coatings are a typical example with excellent performance in terms of hardness and tribological behavior [25]. Additionally, metallic elements such as Co, Zn, Cu, Ba, Mo, and W [26][27][28][29] are commonly chosen as co-deposition elements in the preparation of Ni-B coatings.…”

Section: Introductionmentioning

confidence: 99%

Mechanical and Tribological Properties of Ni-B and Ni-B-W Coatings Prepared by Electroless Plating

Zhao

et al. 2023

Lubricants

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Ni-B binary coating and Ni-B-W ternary coating were successfully prepared on titanium alloy (TC4) substrates by electroless plating to improve the hardness and wear resistance, followed by annealing treatment for better mechanical properties and tribological properties. The morphology, composition, microstructure, mechanical properties, and tribological behaviors of the coatings were characterized. Both as-plated coatings were amorphous, while the composition and morphology of the Ni-B-W coating differed from those of the Ni-B coating. Additionally, the Ni-B-W coating had better mechanical and tribological properties with a more considerable hardness (13.5 GPa), a minor friction coefficient (0.42), and a lower wear rate (0.10 × 10−7 cm3/(N·m)). After annealing, both coatings were crystalline. In parallel to the as-plated coating, the annealed coatings showed larger hardness values because of the formation of hard phases. Moreover, the crystalline grain of the coatings grew as the annealing temperature rose from 350 °C to 650 °C. Accordingly, the coatings showed a minor hardness value, a major friction coefficient, and severe wear under the same conditions. Above all, the Ni-B-W coating annealed at 350 °C showed the best performance, with an average grain size of 26.3 nm, hardness of 15.9 GPa, friction coefficient of 0.34, and wear rate of 0.09 × 10−7 cm3/(N·m).

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“…A sufficiently strong reducing agent is required for autocatalytic metal deposition. The use of traditional reducing agents, such as borohydride, borane dimethylamine, and hypophosphite, results in the deposition of non-pure metal coatings that contained boron or phosphorous [14][15][16]. Moreover, when using hydrogen-containing reducing agents, the deposited coating structure has large defects due to the evolution of hydrogen gas.…”

Section: Introductionmentioning

confidence: 99%

Electroless Platinum Deposition Using Co3+/Co2+ Redox Couple as a Reducing Agent

Tamašauskaitė–Tamašiūnaitė

Dordi

Norkus

et al. 2021

Materials

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In the present work, the kinetics of electroless deposition of Pt, using a cobalt ion redox system (Co3+/Co2+) as a reducing agent, has been investigated. The deposition rate of Pt depends on the pH, concentration of reactants, and temperature. The deaeration and bubbling of the plating solution with argon play an essential role. It was found that 0.11 mg cm−2 of Pt films could be deposited on the surface of a roughed glass sheet in one hour without replenishing the solution. Additional data have been obtained on the grounds of electrochemical quartz crystal microbalance experiments. The bubbling (agitation) of the electroless Pt plating solution with argon during the deposition of Pt results in a higher deposition rate and is ca. 3 µg cm−2 min−1. The Pt deposition rate is far less, and is as low as 0.14 µg cm−2 min−1 when the electroless Pt plating solution is not bubbled with argon during the deposition of Pt.

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A comparative study on morphological, mechanical and tribological properties of electroless NiP, NiB and NiBP coatings

Cited by 28 publications

References 34 publications

Recent advances in electroless nickel‑boron coatings

Recent advances in electroless nickel‑boron coatings

Mechanical and Tribological Properties of Ni-B and Ni-B-W Coatings Prepared by Electroless Plating

Electroless Platinum Deposition Using Co3+/Co2+ Redox Couple as a Reducing Agent

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