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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN Print: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v15.i4.90
pages 321-328

POSSIBILITY OF COMPOSITE SILICON NITRIDE + SILICON CARBIDE (Si3 N4SiC) POWDER PRODUCTION IN THERMAL PLASMA

Zivota G. Kostic
Institute of Nuclear Sciences "Vinca", Department for Thermal Engineering and Energy Research -11001 Belgrade, PO Box 522, Yugoslavia
Predrag Lj. Stefanovic
Institute of Nuclear Sciences "Vinca", Laboratory for Thermal Engineering and Energy, Mike Petrovica-Alasa 12-14, PO Box 522,11001 Belgrade, Yugoslavia
Pavle B. Pavlovic
The VINCA Institute of Nuclear Sciences, Laboratory for Thermal Engineering and Energy, P. O. Box 52211001 Belgrade, Yugoslavia
Dejan B. Cvetinovic
Institute of Nuclear Sciences "Vinca", Laboratory for Thermal Engineering and Energy, Mike Petrovica-Alasa 12-14, PO Box 522,11001 Belgrade, Yugoslavia

ABSTRACT

The results of equilibrium composition computation and total (including heat of formation) enthalpy calculation, in the temperature range of 1000 to 6000 and at pressure of 1 bar, for the Si-C-H-N system are presented in the paper. These data enable the determination and optimization of mass, temperature and energy parameters of the powder production process of composite silicone nitride + silicone carbide (Si3N4_SiC) by silicon powder evaporation in nitrogen plasma, followed by reactive quenching with cold methane. The way of using the system enthalpy, temperature interdependence for the prediction of temperature mass and energy parameters of the process, has been illustrated on the presented example.

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