Synthesis and characterization of the novel nanostructured NiC carbide obtained by mechanical alloying

Ostapenko, R.V.; Ivanenko, K.; Kuryliuk, A. N.; Nakonechna, O.; Belyavina, N. N.

doi:10.1016/j.apt.2021.12.009

Cited by 4 publications

(4 citation statements)

References 34 publications

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“…We have also shown that the existence region of this cubic nickel carbide expands at least to the NiC equiatomic composition, undergoing certain structural transformations [22,23].…”

Section: Features Of Cubic Ni3c and Nic Carbides Obtained By Ht-hp Si...mentioning

confidence: 71%

“…Mechanically alloyed NiC powders obtained from Ni-C charge of (3:1) and (1:1) compositions [22,23] were sintered by high temperature -high-pressure (HP-HT) technique. The toroid-type high pressure apparatus was applied to create the pressure of 7.7 GPa and temperature of 1500-2200 °C (the powder wrapped into the AlN foil was heated in a high pressure cell for 40 s).…”

Section: Methodsmentioning

confidence: 99%

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Features of cubic Ni3C and NiC carbides obtained by HT-HP sintering

Nakonechna

Stratiіchuk

Kuryliuk

et al. 2022

Phys. Chem. Solid St.

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In this work NiC carbides were manufactured by HP-HT sintering of mechanically alloyed charges of the elemental Ni–carbon nanotubes (CNT) or Ni–Graphite. Structural features of the materials obtained were characterized by X-ray diffraction and scanning electron microscopy. X-ray diffraction studies have revealed that the crystal lattice of nickel carbide obtained from mechanically alloyed Ni–CNT charge is supplemented with additional Carbon atoms from the graphite shell of the high-pressure cell at HT-HP sintering. On the other hand, nickel carbide fabricated from mechanically alloyed Ni–Graphite charge retains its composition. It is shown that materials studied in this work demonstrate an advanced value of microhardness (up to 7 GPa).

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“…We have also shown that the existence region of this cubic nickel carbide expands at least to the NiC equiatomic composition, undergoing certain structural transformations [22,23].…”

Section: Features Of Cubic Ni3c and Nic Carbides Obtained By Ht-hp Si...mentioning

confidence: 71%

Section: Methodsmentioning

confidence: 99%

Features of cubic Ni3C and NiC carbides obtained by HT-HP sintering

Nakonechna

Stratiіchuk

Kuryliuk

et al. 2022

Phys. Chem. Solid St.

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“…Driven by the high temperature, the Ni layer undergoes Oswald ripening, and Ni nanoparticles are formed on the surface of the substrate. At the same time, Ni and diamond are prone to react to form nickel-carbon compounds such as NiC and Ni 3 C under certain temperature conditions [44][45][46][47]. Because diamond is pure carbon, it is believed that during the annealing stage, a portion of the Ni reacts with the diamond substrate to form a Ni-C phase, preventing the nickel particles from diffusing.…”

Section: Resultsmentioning

confidence: 99%

Growth of Carbon Nanotubes on Diamond with a Robust Structural Connection via Microwave Plasma Chemical Vapor Deposition

et al. 2022

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In this paper, we present a novel method for growing carbon nanotubes (CNTs) via microwave plasma chemical vapor deposition (MPCVD) on diamond and silicon substrates. Scanning electron microscopy (SEM) and Raman spectroscopy analyses revealed dense, multi-walled carbon nanotubes growing on the diamond substrate. Optical Emission Spectroscopy (OES) showed that in the process of growing carbon nanotubes with the MPCVD method, the CH4 introduced into the system is excited by microwaves and dissociated to form active radicals such as C2 and CH, which are considered the C source of the synthesized carbon nanotube. Observation with high-resolution transmission electron microscopy (HRTEM) showed that most Ni catalyst nanoparticles that catalyze the growth of carbon nanotubes are located close to the diamond surface. In contrast, on the Si substrate, Ni catalyst nanoparticles were randomly distributed. A unique transition layer was observed between the diamond and carbon nanotubes, with the Ni particles being immersed into this transition layer and acting as anchors to fix the carbon nanotubes, resulting in a robust connection between the diamond and the CNT coating.

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“…Çàëåaeíîñòi ìiêðîäåôîðìàöi¨êðèñòàëi÷íî¨ãðàòêè êàðáiäó NiCx (à) òà çàëèøêîâèõ íàïðóã â íüîìó (á) âiä òðèâàëîñòi ÌÕ-îáðîáêè ñóìiøåé NiÂÍÒ òà NiÃðàôiò â ïëàíåòàðíîìó ìëèíi[14] Fig.6. Dependencies of the microdeformation of the crystal lattice of NiCx carbide (a) and the residual stresses in it (b) on the duration of MC processing of NiÑNT and NiGraphite mixtures in a planetary mill[14] …”

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confidence: 99%

Features of nic_x (x ≤ 1) formation at mechanical alloying of the equimolar Ni–CNT and Ni–Graphite mixtures

Belyavina,

Ostapenko,

Kuryliuk

et al. 2024

J. Phys. Stud.

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Synthesis and characterization of the novel nanostructured NiC carbide obtained by mechanical alloying

Cited by 4 publications

References 34 publications

Features of cubic Ni3C and NiC carbides obtained by HT-HP sintering

Features of cubic Ni3C and NiC carbides obtained by HT-HP sintering

Growth of Carbon Nanotubes on Diamond with a Robust Structural Connection via Microwave Plasma Chemical Vapor Deposition

Features of nic_x (x ≤ 1) formation at mechanical alloying of the equimolar Ni–CNT and Ni–Graphite mixtures

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Synthesis and characterization of the novel nanostructured NiC carbide obtained by mechanical alloying

Cited by 4 publications

References 34 publications

Features of cubic Ni3C and NiC carbides obtained by HT-HP sintering

Features of cubic Ni3C and NiC carbides obtained by HT-HP sintering

Growth of Carbon Nanotubes on Diamond with a Robust Structural Connection via Microwave Plasma Chemical Vapor Deposition

Features of nicx (x ≤ 1) formation at mechanical alloying of the equimolar Ni–CNT and Ni–Graphite mixtures

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Features of nic_x (x ≤ 1) formation at mechanical alloying of the equimolar Ni–CNT and Ni–Graphite mixtures