The effect of parameters of initial mixture Zn-S on the structure of ZnS synthesized in combustion wave

I. Eh Molodetskaya, V. P. Picarskij, O. O. Ulanova

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Abstract

A representation is given to the results of experimental study into zinc sulfide synthesis in combustion wave. When fabricating samples of Zn-S mixture the dispersity of fusible component (sulphur) and pressing density varied within wide ranges. The mixture parameters were determined which provided for realization of self-propagating high temperature synthesis and the model of stable propagation of crystallization front was proposed. Aimed to reveal the nature of phases present in the system x-ray diffraction investigation of synthesized samples was carried out. Macrostructure was analyzed through photographs of sample cross-sections. An increase in average size of sulphur powder particles at high pressing density of the mixture was found to lead to a decrease of columnar crystal zone due to growth of active impurities in the melt and reduction of reacting efficiency.

Original languageEnglish (US)
Pages (from-to)72-76
Number of pages5
JournalFizika Goreniya i Vzryva
Volume28
Issue number4
StatePublished - Jul 1 1992
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Process Chemistry and Technology

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