Biocompatibility and electron microscopy studies of epitaxial nanolaminate (Al0·5Ti0.5)N/ZrN coatings deposited by Arc-PVD technique

Kravchenko, Yaroslav; Coy, Emerson; Załęski, Karol; Iatsunskyi, Igor; Pogorielov, Мaksym; Korniienko, Viktoriia; Pshyk, A.V.; Pogrebnjak, A.D.; Береснев, В. М.

doi:10.1016/j.ceramint.2021.09.003

Cited by 7 publications

(2 citation statements)

References 28 publications

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“…Coating technology is often applied to enhance the properties of the materials that are involved in mechanical contacts, to modify their tribological properties, and to improve wear resistance, adhesion, friction, etc [1]. Furthermore, coatings are also used to achieve the desired level of biocompatibility of implants [2,3], to obtain needed optical properties [4], to enable triboelectric energy harvesting [5], and for many other technologies. Therefore, development of experimental, numerical and analytical techniques for the modelling and studying of materials with a layered structure is an important topic in various fields of science and technology.…”

Section: Introductionmentioning

confidence: 99%

Experimental Verification of the Boundary Element Method for Adhesive Contacts of a Coated Elastic Half-Space

2023

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We consider analytical, numerical, and experimental approaches developed to describe the mechanical contact between a rigid indenter and an elastic half-space coated with an elastic layer. Numerical simulations of the indentation process were performed using the recently generalized boundary element method (BEM). Analytical approximation of the dependence of contact stiffness on the indenter diameter was used to verify the results of BEM simulations. Adhesive contacts of hard indenters of different shapes with soft rubber layers have been experimentally studied using specially designed laboratory equipment. The comparison of the results from all three implemented methods shows good agreement of the obtained data, thus supporting the generalized BEM simulation technique developed for the JKR limit of very small range of action of adhesive forces. It was shown that the half-space approximation is asymptotical at high ratios of layer thickness h to cylindrical indenter diameter D; however, it is very slowly. Thus, at the ratio h/D = 3.22, the half-space approximation leads to 20% lower contact stiffness compared with that obtained for finite thickness using both an experiment and simulation.

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Section: Introductionmentioning

confidence: 99%

Experimental Verification of the Boundary Element Method for Adhesive Contacts of a Coated Elastic Half-Space

2023

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“…Still, it is worth pointing out that their inclusion in the NBC/MXene composite during the manufacturing of medical dressings and bandages increases the effectiveness of treating superficial wounds by significantly reducing the activity of bacteria. Such metals could be Au, Ag, Zn, Cu, ZnO, and Fe 2 O 3 [178][179][180][181][182][183][184]. The research on these composite materials will be actively conducted soon.…”

Section: Electromagnetic Interference Shieldingmentioning

confidence: 99%

Synthesis, Properties, and Applications of Nanocomposite Materials Based on Bacterial Cellulose and MXene

Talipova,

Buranych,

Savitskaya

et al. 2023

Polymers

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MXene exhibits impressive characteristics, including flexibility, mechanical robustness, the capacity to cleanse liquids like water through MXene membranes, water-attracting nature, and effectiveness against bacteria. Additionally, bacterial cellulose (BC) exhibits remarkable qualities, including mechanical strength, water absorption, porosity, and biodegradability. The central hypothesis posits that the incorporation of both MXene and bacterial cellulose into the material will result in a remarkable synthesis of the attributes inherent to MXene and BC. In layered MXene/BC coatings, the presence of BC serves to separate the MXene layers and enhance the material’s integrity through hydrogen bond interactions. This interaction contributes to achieving a high mechanical strength of this film. Introducing cellulose into one layer of multilayer MXene can increase the interlayer space and more efficient use of MXene. Composite materials utilizing MXene and BC have gained significant traction in sensor electronics due to the heightened sensitivity exhibited by these sensors compared to usual ones. Hydrogel wound healing bandages are also fabricated using composite materials based on MXene/BC. It is worth mentioning that MXene/BC composites are used to store energy in supercapacitors. And finally, MXene/BC-based composites have demonstrated high electromagnetic interference (EMI) shielding efficiency.

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Development of hydrophilic NbCuSi(N) &TiAlNb(N) coatings as a new strategy for medical implants modification

Kravchenko

Garkusha²,

Taran³

et al. 2023

Ceramics International

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Biocompatibility and electron microscopy studies of epitaxial nanolaminate (Al0·5Ti0.5)N/ZrN coatings deposited by Arc-PVD technique

Cited by 7 publications

References 28 publications

Experimental Verification of the Boundary Element Method for Adhesive Contacts of a Coated Elastic Half-Space

Experimental Verification of the Boundary Element Method for Adhesive Contacts of a Coated Elastic Half-Space

Synthesis, Properties, and Applications of Nanocomposite Materials Based on Bacterial Cellulose and MXene

Development of hydrophilic NbCuSi(N) &TiAlNb(N) coatings as a new strategy for medical implants modification

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