Color change of glass and glass-ceramics in Bi2O3-CdO-Al2O3 system

Danping Chen, Yoshinari Miura, Tokuro Nanba, Yasuaki Murata, Akiyoshi Osaka

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Color change and its mechanisms for glasses and glass-ceramics in the Bi2O3-CdO-Al2O3 system prepared under various melting and annealing conditions were investigated. It was suggested that brown color of the glasses with comparatively low Bi content which were obtained by melting at high temperatures was caused by metallic Bi while deep green color of the glasses with comparatively high Bi content resulted from Bi2+ and defects. The deep color of the glasses markedly faded after annealing treatments for long time. Formation of the transparent glass-ceramics was assumed to be related to the oxygen defects. Color of the glass-ceramics was explained in term of oxygen defects and crystalline phases formed by annealing treatments.

Original languageEnglish
Pages (from-to)630-636
Number of pages7
JournalZairyo/Journal of the Society of Materials Science, Japan
Volume45
Issue number6
DOIs
Publication statusPublished - Jun 1996

Keywords

  • Bi valence
  • Bi-containing glasses
  • Coloration
  • Dangling bond
  • Transparent glass-ceramics

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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