Phase composition and morphology of products of combustion of ferrosilicon in nitrogen

L. N. Chukhlomina, Yu M. Maksimov, O. G. Vitushkina, N. N. Golobokov, V. I. Vereshchagin

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The results of a study of silicon nitride phase formation in combustion of ferrosilicon in gaseous nitrogen are reported. It was shown that formation of α-or β-modifications of silicon nitride is basically determined by the composition of the batch for self-propagating high-temperature synthesis. When ammonium chloride was added to the initial ferrosilicon, a combustion product with a high (up to 80%) α-Si 3N 4 content is formed, while dilution with the final product and magnesium fluoride results in predominant (more than 95%) formation of β-Si 3N 4. The particle size and shape are a function of the conditions of synthesis and are primarily determined by the temperature and the additives incorporated in the initial alloy.

Original languageEnglish
Pages (from-to)63-65
Number of pages3
JournalGlass and Ceramics (English translation of Steklo i Keramika)
Volume64
Issue number1-2
DOIs
Publication statusPublished - Jan 2007

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Silicon nitride
Phase composition
Nitrogen
Ammonium Chloride
Dilution
Magnesium
Particle size
Temperature
Chemical analysis
silicon nitride
ferrosilicon
magnesium fluoride

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Phase composition and morphology of products of combustion of ferrosilicon in nitrogen. / Chukhlomina, L. N.; Maksimov, Yu M.; Vitushkina, O. G.; Golobokov, N. N.; Vereshchagin, V. I.

In: Glass and Ceramics (English translation of Steklo i Keramika), Vol. 64, No. 1-2, 01.2007, p. 63-65.

Research output: Contribution to journalArticle

Chukhlomina, L. N. ; Maksimov, Yu M. ; Vitushkina, O. G. ; Golobokov, N. N. ; Vereshchagin, V. I. / Phase composition and morphology of products of combustion of ferrosilicon in nitrogen. In: Glass and Ceramics (English translation of Steklo i Keramika). 2007 ; Vol. 64, No. 1-2. pp. 63-65.
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