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

doi:10.1143/jjap.33.1101

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 journal › Article › peer-review

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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 language	English (US)
Pages (from-to)	1101-1108
Number of pages	8
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	33
Issue number	2
DOIs	https://doi.org/10.1143/jjap.33.1101
State	Published - 1994

All Science Journal Classification (ASJC) codes

General Engineering
General Physics and Astronomy

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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.",

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AU - Son, Yong Bai

AU - Kim, Chong Hee

AU - Jang, Sung Do

AU - Liu, Jun

AU - Sarikaya, Mehmet

AU - Aksay, Ilhan A.

PY - 1994

Y1 - 1994

N2 - 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.

AB - 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.

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

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