Crystallization behavior of cordierite-based glass with excess SiO2 and Al2O3 at initial stage

Yong Bai Son, Chong Hee Kim, Sung Do Jang, Jun Liu, Mehmet Sarikaya, Ilhan A. Aksay

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Crystallization behavior of cordierite-based glass with excess SiO2 and Al2O3 (CM glass) was studied at the initial crystallization stage. Two kinds of glass-in-glass phase separation occurred during the heat treatment of glass powder. The secondary glass-in-glass phase separation, which consists of an SiO2-rich phase and an Al2O3-rich phase significantly affects the crystallization of the glass and the resultant microstructures of the crystallized glass. Mullite nucleated first in the Al2O3-rich amorphous phase which is no longer a stable glass-forming region. Metastable μ-cordierite crystallized in the SiO2-rich amorphous phase and grew rapidly. A fine-grained cordierite-mullite composite with mullite as the grain boundary phase was produced.

Original languageEnglish (US)
Pages (from-to)1101-1108
Number of pages8
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume33
Issue number2
DOIs
StatePublished - 1994

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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