Nonstoichiometric reactions producing ceramic pigments

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Abstract

The reactions synthesizing diopside ceramic pigments using natural minerals-talc and wollastonite-have been investigated. For the initial components taken in a nonstoichiometric ratio the yield of the main reaction product - diopside - increases in two of the three reactions studied, while in the third reaction a change of the stoichiometry of the input components results in a lower content of diopside. It is found that for a small deviation from stoichiometry the dominant crystal structure of the pigment changes, which in turn fundamentally changes the color of the pigment.

Original languageEnglish
Pages (from-to)76-79
Number of pages4
JournalGlass and Ceramics (English translation of Steklo i Keramika)
Volume68
Issue number3-4
DOIs
Publication statusPublished - Jul 2011

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Keywords

  • ceramic pigments
  • chromophore
  • diopside
  • synthesis
  • talc
  • wollastonite

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry
  • Mechanics of Materials

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