Optimization of the TiB2 plasma dynamic synthesis

A. A. Sivkov, S. O. Pogorelova, A. R. Nassyrbayev, D. S. Nikitin

Research output: Contribution to journalConference article

Abstract

Titanium Diboride (TiB2) nanoparticles were obtained by plasma dynamic synthesis in a hypersonic plasma jet. The aim of the work was to optimize synthesis of TiB2 nanoparticles. Firstly, three series of experiments with different ways of a discharge initiation were implemented: 1) using titanium conductors; 2) using carbon fibers; 3) using graphite aerosol (graphitization). Secondly, experiments with different atmosphere gas, which filled the volume of the reactor chamber - Ar and N2 were implemented. Thirdly, there were experiments with different mass ratio of Ti:B precursors using graphitization (26.7:73.3; 45.5:54.5; 61.1:38.9; 86.4:13.6). And finally experiments with 16.9 kJ released energy were implemented. The results showed, that the best of way of initiation an arc discharge is graphitization using Ar with mass ratio Ti:B 26.7:73.3 and input energy - 33.9 kJ. The yield of TiB2 was 93.2% with the smallest particles 56.1 nm.

Original languageEnglish
Article number032090
JournalJournal of Physics: Conference Series
Volume1115
Issue number3
DOIs
Publication statusPublished - 27 Nov 2018
Event6th International Congress on Energy Fluxes and Radiation Effects 2018, EFRE 2018 - Tomsk, Russian Federation
Duration: 16 Sep 201822 Sep 2018

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plasma dynamics
graphitization
mass ratios
optimization
synthesis
titanium
nanoparticles
hypersonics
arc discharges
carbon fibers
plasma jets
aerosols
conductors
graphite
chambers
reactors
atmospheres
energy
gases

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Optimization of the TiB2 plasma dynamic synthesis. / Sivkov, A. A.; Pogorelova, S. O.; Nassyrbayev, A. R.; Nikitin, D. S.

In: Journal of Physics: Conference Series, Vol. 1115, No. 3, 032090, 27.11.2018.

Research output: Contribution to journalConference article

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AU - Nikitin, D. S.

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N2 - Titanium Diboride (TiB2) nanoparticles were obtained by plasma dynamic synthesis in a hypersonic plasma jet. The aim of the work was to optimize synthesis of TiB2 nanoparticles. Firstly, three series of experiments with different ways of a discharge initiation were implemented: 1) using titanium conductors; 2) using carbon fibers; 3) using graphite aerosol (graphitization). Secondly, experiments with different atmosphere gas, which filled the volume of the reactor chamber - Ar and N2 were implemented. Thirdly, there were experiments with different mass ratio of Ti:B precursors using graphitization (26.7:73.3; 45.5:54.5; 61.1:38.9; 86.4:13.6). And finally experiments with 16.9 kJ released energy were implemented. The results showed, that the best of way of initiation an arc discharge is graphitization using Ar with mass ratio Ti:B 26.7:73.3 and input energy - 33.9 kJ. The yield of TiB2 was 93.2% with the smallest particles 56.1 nm.

AB - Titanium Diboride (TiB2) nanoparticles were obtained by plasma dynamic synthesis in a hypersonic plasma jet. The aim of the work was to optimize synthesis of TiB2 nanoparticles. Firstly, three series of experiments with different ways of a discharge initiation were implemented: 1) using titanium conductors; 2) using carbon fibers; 3) using graphite aerosol (graphitization). Secondly, experiments with different atmosphere gas, which filled the volume of the reactor chamber - Ar and N2 were implemented. Thirdly, there were experiments with different mass ratio of Ti:B precursors using graphitization (26.7:73.3; 45.5:54.5; 61.1:38.9; 86.4:13.6). And finally experiments with 16.9 kJ released energy were implemented. The results showed, that the best of way of initiation an arc discharge is graphitization using Ar with mass ratio Ti:B 26.7:73.3 and input energy - 33.9 kJ. The yield of TiB2 was 93.2% with the smallest particles 56.1 nm.

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