Decomposition of Mullite

ROBERT F. DAVIS; ILHAN A. AKSAY; JOSEPH A. PASK

doi:10.1111/j.1151-2916.1972.tb11218.x

Decomposition of Mullite

ROBERT F. DAVIS, ILHAN A. AKSAY, JOSEPH A. PASK

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Abstract

Free surfaces of 2:1 mullite (2Al₂O₃·SiO₂) specimens decomposed with the evolution of SiO and O₂ when they were heated at high temperatures under low partial pressures of O₂; this reaction was analyzed thermodynamically. In addition, bubbles were observed at internal interfaces between mullite and fused‐SiO₂ diffusion couples. These bubbles, when formed at 1 atm ambient pressure between 1650° and 1800°C, resulted from reaction of Si particles and residual SiO₂‐rich glass in the fused cast mullite.

Original language	English (US)
Pages (from-to)	98-101
Number of pages	4
Journal	Journal of the American Ceramic Society
Volume	55
Issue number	2
DOIs	https://doi.org/10.1111/j.1151-2916.1972.tb11218.x
State	Published - Feb 1972

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.1972.tb11218.x

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title = "Decomposition of Mullite",

abstract = "Free surfaces of 2:1 mullite (2Al2O3·SiO2) specimens decomposed with the evolution of SiO and O2 when they were heated at high temperatures under low partial pressures of O2; this reaction was analyzed thermodynamically. In addition, bubbles were observed at internal interfaces between mullite and fused‐SiO2 diffusion couples. These bubbles, when formed at 1 atm ambient pressure between 1650° and 1800°C, resulted from reaction of Si particles and residual SiO2‐rich glass in the fused cast mullite.",

author = "DAVIS, {ROBERT F.} and AKSAY, {ILHAN A.} and PASK, {JOSEPH A.}",

year = "1972",

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doi = "10.1111/j.1151-2916.1972.tb11218.x",

language = "English (US)",

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journal = "Journal of the American Ceramic Society",

issn = "0002-7820",

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AU - DAVIS, ROBERT F.

AU - AKSAY, ILHAN A.

AU - PASK, JOSEPH A.

PY - 1972/2

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N2 - Free surfaces of 2:1 mullite (2Al2O3·SiO2) specimens decomposed with the evolution of SiO and O2 when they were heated at high temperatures under low partial pressures of O2; this reaction was analyzed thermodynamically. In addition, bubbles were observed at internal interfaces between mullite and fused‐SiO2 diffusion couples. These bubbles, when formed at 1 atm ambient pressure between 1650° and 1800°C, resulted from reaction of Si particles and residual SiO2‐rich glass in the fused cast mullite.

AB - Free surfaces of 2:1 mullite (2Al2O3·SiO2) specimens decomposed with the evolution of SiO and O2 when they were heated at high temperatures under low partial pressures of O2; this reaction was analyzed thermodynamically. In addition, bubbles were observed at internal interfaces between mullite and fused‐SiO2 diffusion couples. These bubbles, when formed at 1 atm ambient pressure between 1650° and 1800°C, resulted from reaction of Si particles and residual SiO2‐rich glass in the fused cast mullite.

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JO - Journal of the American Ceramic Society

JF - Journal of the American Ceramic Society

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ER -

Decomposition of Mullite

Abstract

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