Fabrication of ultrafine mullite powders

Yue feng Tang; Ai dong Li; Hui qin Ling; Yi jun Wang; Qi yue Shao; Yi nong Lu; Zhi da Ling

doi:10.1016/S0254-0584(02)00080-9

Fabrication of ultrafine mullite powders

Yue feng Tang, Ai dong Li, Hui qin Ling, Yi jun Wang, Qi yue Shao, Yi nong Lu, Zhi da Ling

College of Materials Science and Engineering

Research output: Contribution to journal › Conference article › peer-review

7 Scopus citations

Abstract

In order to obtain fine mullite powders by a simple and inexpensive processing route gamma alumina (γ-Al₂O₃) is used as raw material, and the heterogeneous nucleation-and-growth process is chosen. Composite coating particles consisting of γ-Al₂O₃ cores with outer homogeneous amorphous silica layer are prepared by the heterogeneous nucleation-and-growth process in the ethanol suspension containing ammonia, tetraethylorthosilicate (TEOS) and γ-Al₂O₃. Ultrafine mullite powders (average particle size of 0.63 μm) were fabricated by calcined composite coating particles at 1400°C for 2h.

Original language	English
Pages (from-to)	301-304
Number of pages	4
Journal	Materials Chemistry and Physics
Volume	75
Issue number	1-3
DOIs	https://doi.org/10.1016/S0254-0584(02)00080-9
State	Published - 28 Apr 2002
Event	ICMAT 2001 Symposium C (Novel and Advanced Ceramics) - Singapore, Singapore Duration: 28 Apr 2002 → …

Keywords

Composite coating particles
Fine mullite powders
The heterogeneous nucleation-and-growth processing

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10.1016/S0254-0584(02)00080-9

Cite this

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title = "Fabrication of ultrafine mullite powders",

abstract = "In order to obtain fine mullite powders by a simple and inexpensive processing route gamma alumina (γ-Al2O3) is used as raw material, and the heterogeneous nucleation-and-growth process is chosen. Composite coating particles consisting of γ-Al2O3 cores with outer homogeneous amorphous silica layer are prepared by the heterogeneous nucleation-and-growth process in the ethanol suspension containing ammonia, tetraethylorthosilicate (TEOS) and γ-Al2O3. Ultrafine mullite powders (average particle size of 0.63 μm) were fabricated by calcined composite coating particles at 1400°C for 2h.",

keywords = "Composite coating particles, Fine mullite powders, The heterogeneous nucleation-and-growth processing",

author = "Tang, {Yue feng} and Li, {Ai dong} and Ling, {Hui qin} and Wang, {Yi jun} and Shao, {Qi yue} and Lu, {Yi nong} and Ling, {Zhi da}",

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T1 - Fabrication of ultrafine mullite powders

AU - Tang, Yue feng

AU - Li, Ai dong

AU - Ling, Hui qin

AU - Wang, Yi jun

AU - Shao, Qi yue

AU - Lu, Yi nong

AU - Ling, Zhi da

PY - 2002/4/28

Y1 - 2002/4/28

N2 - In order to obtain fine mullite powders by a simple and inexpensive processing route gamma alumina (γ-Al2O3) is used as raw material, and the heterogeneous nucleation-and-growth process is chosen. Composite coating particles consisting of γ-Al2O3 cores with outer homogeneous amorphous silica layer are prepared by the heterogeneous nucleation-and-growth process in the ethanol suspension containing ammonia, tetraethylorthosilicate (TEOS) and γ-Al2O3. Ultrafine mullite powders (average particle size of 0.63 μm) were fabricated by calcined composite coating particles at 1400°C for 2h.

AB - In order to obtain fine mullite powders by a simple and inexpensive processing route gamma alumina (γ-Al2O3) is used as raw material, and the heterogeneous nucleation-and-growth process is chosen. Composite coating particles consisting of γ-Al2O3 cores with outer homogeneous amorphous silica layer are prepared by the heterogeneous nucleation-and-growth process in the ethanol suspension containing ammonia, tetraethylorthosilicate (TEOS) and γ-Al2O3. Ultrafine mullite powders (average particle size of 0.63 μm) were fabricated by calcined composite coating particles at 1400°C for 2h.

KW - Composite coating particles

KW - Fine mullite powders

KW - The heterogeneous nucleation-and-growth processing

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M3 - 会议文章

AN - SCOPUS:0037188170

SN - 0254-0584

VL - 75

SP - 301

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IS - 1-3

T2 - ICMAT 2001 Symposium C (Novel and Advanced Ceramics)

Y2 - 28 April 2002

ER -

Fabrication of ultrafine mullite powders

Abstract

Keywords

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