Smart Tribological Coating

Arjunan, Arun; Baroutaji, Ahmad; Robinson, John; Olabi, Abdul–Ghani

doi:10.1016/b978-0-12-815732-9.00113-3

Cited by 7 publications

(5 citation statements)

References 118 publications

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“…The surface binding energy of the nanocoatings is considered the most substantial factor controlling the surface composition of the coatings through conditioning the ion sputtering procedure, The surface binding energy (SBE) can be defined as the required applied energy necessary to remove an atom from the target surface layer during the sputtering technique in a vacuum, usually proportionate inversely to the sputtering yields of any target material [ 74 ]. Interestingly, it is found that SBE belongs to V metal has the highest value (512.3 eV), followed by Nb metal (202.4 eV), while the least value among the used targets was associated with Ta metal (21.8 eV) [ 75 ], expecting a logical variation in the elemental composition and thickness of the gained coatings being the lowest in the V group and the highest in Ta and Nb groups as found in our previous work [ 23 ], agreed with Arjunan et al [ 76 ], Kudriavtsev et al [ 74 ], and Dowling et al [ 77 ] who pointed out the effect of the surface binding energy and its elemental composition (wt.%) in the coating after sputtering, and this may reflect the variations in the microstructure of the sputtered coatings (Ta, Nb, and V) which considered the most substantial factor affecting the tribological behavior of coating surface layer [ 78 ], being the best of Nb and Ta coatings in the present study, while the V coat did nothing or may deteriorate the tribological behavior of its 316L SS substrate.…”

Section: Discussionsupporting

confidence: 89%

Tribology of Coated 316L SS by Various Nanoparticles

Aldabagh,

Alzubadi,

Alhuwaizi

2023

International Journal of Biomaterials

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Background. Nanocoating of biomedical materials may be considered the most essential developing field recently, primarily directed at improving their tribological behaviors that enhance their performance and durability. In orthodontics, as in many medical fields, friction reduction (by nanocoatings) among different orthodontic components is considered a substantial milestone in the development of biomedical technology that reduces orthodontic treatment time. The objective of the current research was to explore the tribological behavior, namely, friction of nanocoated thin layer by tantalum (Ta), niobium (Nb), and vanadium (V) manufactured using plasma sputtering at 1, 2, and 3 hours on substrates made of 316L stainless steel (SS), which is thought to be one of the most popular alloys for stainless steel orthodontic archwires. The friction of coated 316L SS archwires coated with Ta, Nb, and V plasma sputtering is hardly mentioned in the literature as of yet. Results. An oscillating pin-on-plate tribological test using a computerized tribometer was performed by applying a load of 1 N for 20 minutes under the dry condition at room temperature (25°C) to understand their role in the tribological behavior of the bulk material. Ta and Nb were found to reduce the friction of their SS substrate significantly (45 and 55%, respectively), while V was found to deteriorate the friction of its substrate. Moreover, sputtering time had no substantial role in the friction reduction of coatings. Conclusions. Nanocoating of 316L SS bulk material by Nb and Ta with a 1-hour plasma sputtering time can enhance dramatically its tribological behavior. Higher coating hardness, smaller nanoparticle size, intermediate surface coating roughness, and lower surface binding energy of the coatings may play a vital role in friction reduction of the coated 316L SS corresponding to SS orthodontic archwires, predicting to enhance orthodontic treatment.

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Section: Discussionsupporting

confidence: 89%

Tribology of Coated 316L SS by Various Nanoparticles

Aldabagh,

Alzubadi,

Alhuwaizi

2023

International Journal of Biomaterials

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“…The addition of Ag to a Ni-based alloy may improve its biological fouling resistance. Several industrial techniques are used to spray Ni-based coatings, such as atmospheric plasma spraying and gas combustion heating of high-velocity oxygen fuel thermal spraying [22][23][24], to improve the oxidation resistance and tribological resistance. Considering the corrosion resistance of Ni-based alloys, Ni-based coatings prepared using spraying techniques should be used in marine environments.…”

Section: Introductionmentioning

confidence: 99%

Biological fouling and corrosion resistance of Ni-based coating on AH32

Zhiwei,

Yanwen,

Caibo

et al. 2023

Surface Engineering

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To reduce the destruction of organic biological fouling in marine steel, nickel-based (NiCrAlY) transition coatings with and without silver (Ag) doping were prepared on AH32 marine steel by plasma spraying. The coatings exhibited a layered structure, and AlNi 3 ( 111), ( 200), and (220) diffraction peaks were detected. The Ag (111) peaks were also observed for the Ag-doped coatings. The number of sulphate-reducing bacteria (SRB) adsorbed on the coating surfaces reduced after immersion in the bacterial solution, and their shells were disintegrated because of the presence of Ag. The corrosion potentials of AH32, NiCrAlY, and NiCrAlY(Ag) coated AH32 plates were nearly identical at approximately −720 mV. After being covered with organic paint, the corrosion potential and current density of the NiCrAlY(Ag) coating increased to −624 mV and decreased by one order of 2.75 × 10 −6 A cm −2 , respectively. The NiCrAlY(Ag) coating effectively inhibited biological fouling.

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“…Modern third-generation biomaterials (bioactive and biodegradable) are used for temporary implants without toxins until the fractured tissue or organ has completely healed and eliminates the need for a second surgery to remove the implant. 1–3 The bone healing implant market for orthopaedic applications (pins, plates, rods, screws, wires, etc.) in the forecast period from 2021 to 2028 has shown increased demand and is expected to reach over 72 billion USD.…”

Section: Introductionmentioning

confidence: 99%

Third-generation biodegradable bone implants: A novel Mg-1Zn-0.5Sc alloy treated by laser shock peening to improve its characteristics

Ramanathan,

Srinivasan,

Neelakandan

2023

Proceedings of the Institution of Mechanical Engineers, Part L:

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Magnesium (Mg) and its alloys are of much interest as promising third-generation bio-materials for bone implant applications; however, challenges remain for the alloy's mechanical integrity and bio-corrosion behaviour. Therefore, appropriate alloying elements and surface-modification techniques are required to overcome these limitations. Zinc and scandium were found to possess good biocompatibility and biodegradability, in addition to magnesium. This study aims to enhance the mechanical integrity and bio-corrosion resistance behaviour of a novel Mg-1wt% Zn-0.5wt% Sc cast alloy by laser shock peening surface treatment with multiple passes (LSP-2 pass and LSP-3 pass). The microstructural and texture evolution was investigated using various techniques, including field emission scanning electron microscopy with energy-dispersive spectroscopy (FESEM-EDS), optical microscopy (OM), X-ray diffraction (XRD) analysis, electron back-scattered diffraction analysis (EBSD), as well as the surface residual stress, wettability, microhardness, tensile strength, electrochemical polarization test, and biocompatibility were analysed on as-cast, LSP-2 pass and LSP-3 pass specimens. LSP induced beneficial compressive residual stress around the surface and sub-surface region of Mg-1Zn-0.5Sc alloy due to severe plastic deformation, which led to grain refinement through the twinning mechanism of the Mg alloy. Also, the dispersion of second-phase particles (β-ScZn) was observed while analysing the XRD profiles. Strain hardening, grain refinement, and precipitate strengthening have contributed to the structure and texture evolution, which enhanced the microhardness, tensile strength, ductility, and corrosion resistance of the Mg-1Zn-0.5Sc alloy. From in vitro studies, a low rate of corrosion in simulated body fluid and less cytotoxic behaviour were observed for the LSP-3 pass Mg-1Zn-0.5Sc alloy.

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Smart Tribological Coating

Cited by 7 publications

References 118 publications

Tribology of Coated 316L SS by Various Nanoparticles

Tribology of Coated 316L SS by Various Nanoparticles

Biological fouling and corrosion resistance of Ni-based coating on AH32

Third-generation biodegradable bone implants: A novel Mg-1Zn-0.5Sc alloy treated by laser shock peening to improve its characteristics

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